CLDC-2068 request, validate UPRN and retrieve address (#1370)

* Add OS_DATA_KEY env var

* Add new UPRN and address columns to logs

* Bugfix: use dynamic optional fields

* Update optional fields

* Add UPRN validation

* Add UPRN Client

* Add UPRN Presenter

* UPRN questions and flows

* Skip to non addresss questions if UPRN unknown

* Address PO review comments and add missing specs

* Display LA correctly

.env.example

@@ -5,3 +5,4 @@ GOVUK_NOTIFY_API_KEY=<notify-key-here-if-testing-emails-or-admin-users>
 OTP_SECRET_ENCRYPTION_KEY="<Generate this using bundle exec rake secret>"
 
 APP_HOST="http://localhost:3000"
+OS_DATA_KEY=OS_DATA_KEY

.env.test

@@ -0,0 +1,2 @@
+APP_HOST="http://localhost:3000"
+OS_DATA_KEY=OS_DATA_KEY

.github/workflows/production_pipeline.yml

@@ -237,6 +237,7 @@ jobs:
           GOVUK_NOTIFY_API_KEY: ${{ secrets.GOVUK_NOTIFY_API_KEY }}
           APP_HOST: ${{ secrets.APP_HOST }}
           RAILS_MASTER_KEY: ${{ secrets.RAILS_MASTER_KEY }}
+          OS_DATA_KEY: ${{ secrets.OS_DATA_KEY }}
           IMPORT_PAAS_INSTANCE: ${{ secrets.IMPORT_PAAS_INSTANCE }}
           EXPORT_PAAS_INSTANCE: ${{ secrets.EXPORT_PAAS_INSTANCE }}
           S3_CONFIG: ${{ secrets.S3_CONFIG }}
@@ -249,6 +250,7 @@ jobs:
           cf set-env $APP_NAME GOVUK_NOTIFY_API_KEY $GOVUK_NOTIFY_API_KEY
           cf set-env $APP_NAME APP_HOST $APP_HOST
           cf set-env $APP_NAME RAILS_MASTER_KEY $RAILS_MASTER_KEY
+          cf set-env $APP_NAME OS_DATA_KEY $OS_DATA_KEY
           cf set-env $APP_NAME IMPORT_PAAS_INSTANCE $IMPORT_PAAS_INSTANCE
           cf set-env $APP_NAME EXPORT_PAAS_INSTANCE $EXPORT_PAAS_INSTANCE
           cf set-env $APP_NAME S3_CONFIG $S3_CONFIG

.github/workflows/review_pipeline.yml

@@ -110,6 +110,7 @@ jobs:
           API_KEY: ${{ secrets.API_KEY }}
           GOVUK_NOTIFY_API_KEY: ${{ secrets.GOVUK_NOTIFY_API_KEY }}
           RAILS_MASTER_KEY: ${{ secrets.RAILS_MASTER_KEY }}
+          OS_DATA_KEY: ${{ secrets.OS_DATA_KEY }}
           IMPORT_PAAS_INSTANCE: ${{ secrets.IMPORT_PAAS_INSTANCE }}
           EXPORT_PAAS_INSTANCE: ${{ secrets.EXPORT_PAAS_INSTANCE }}
           S3_CONFIG: ${{ secrets.S3_CONFIG }}
@@ -120,6 +121,7 @@ jobs:
           cf set-env $APP_NAME API_KEY $API_KEY
           cf set-env $APP_NAME GOVUK_NOTIFY_API_KEY $GOVUK_NOTIFY_API_KEY
           cf set-env $APP_NAME RAILS_MASTER_KEY $RAILS_MASTER_KEY
+          cf set-env $APP_NAME OS_DATA_KEY $OS_DATA_KEY
           cf set-env $APP_NAME IMPORT_PAAS_INSTANCE $IMPORT_PAAS_INSTANCE
           cf set-env $APP_NAME EXPORT_PAAS_INSTANCE "dluhc-core-review-export-bucket"
           cf set-env $APP_NAME S3_CONFIG $S3_CONFIG

.github/workflows/staging_pipeline.yml

@@ -208,6 +208,7 @@ jobs:
           GOVUK_NOTIFY_API_KEY: ${{ secrets.GOVUK_NOTIFY_API_KEY }}
           APP_HOST: ${{ secrets.APP_HOST }}
           RAILS_MASTER_KEY: ${{ secrets.RAILS_MASTER_KEY }}
+          OS_DATA_KEY: ${{ secrets.OS_DATA_KEY }}
           IMPORT_PAAS_INSTANCE: ${{ secrets.IMPORT_PAAS_INSTANCE }}
           EXPORT_PAAS_INSTANCE: ${{ secrets.EXPORT_PAAS_INSTANCE }}
           S3_CONFIG: ${{ secrets.S3_CONFIG }}
@@ -222,6 +223,7 @@ jobs:
           cf set-env $APP_NAME GOVUK_NOTIFY_API_KEY $GOVUK_NOTIFY_API_KEY
           cf set-env $APP_NAME APP_HOST $APP_HOST
           cf set-env $APP_NAME RAILS_MASTER_KEY $RAILS_MASTER_KEY
+          cf set-env $APP_NAME OS_DATA_KEY $OS_DATA_KEY
           cf set-env $APP_NAME IMPORT_PAAS_INSTANCE $IMPORT_PAAS_INSTANCE
           cf set-env $APP_NAME EXPORT_PAAS_INSTANCE $EXPORT_PAAS_INSTANCE
           cf set-env $APP_NAME S3_CONFIG $S3_CONFIG

app/controllers/form_controller.rb

@@ -160,7 +160,7 @@ private
   end
 
   def question_is_required?(question)
-    @log.class::OPTIONAL_FIELDS.exclude?(question.id) && required_questions.include?(question.id)
+    @log.optional_fields.exclude?(question.id) && required_questions.include?(question.id)
   end
 
   def required_questions

app/helpers/question_view_helper.rb

@@ -8,14 +8,16 @@ module QuestionViewHelper
   def legend(question, page_header, conditional)
     {
       text: [question.question_number_string(conditional:), question.header.html_safe].compact.join(" - "),
-      size: label_size(page_header, conditional),
+      size: label_size(page_header, conditional, question),
       tag: label_tag(page_header, conditional),
     }
   end
 
 private
 
-  def label_size(page_header, conditional)
+  def label_size(page_header, conditional, question)
+    return if question.plain_label.present?
+
     page_header.blank? && !conditional ? "l" : "m"
   end
 

app/models/derived_variables/sales_log_variables.rb

@@ -23,6 +23,15 @@ module DerivedVariables::SalesLogVariables
     self.totadult = total_adult + total_elder
     self.hhmemb = number_of_household_members
     self.hhtype = household_type
+
+    if uprn_known&.zero?
+      self.uprn = nil
+    end
+
+    if uprn_confirmed&.zero?
+      self.uprn = nil
+      self.uprn_known = 0
+    end
   end
 
 private

app/models/form.rb

@@ -160,7 +160,7 @@ class Form
 
   def invalidated_page_questions(log, current_user = nil)
     # we're already treating these fields as a special case and reset their values upon saving a log
-    callback_questions = %w[postcode_known la ppcodenk previous_la_known prevloc postcode_full ppostcode_full location_id]
+    callback_questions = %w[postcode_known la ppcodenk previous_la_known prevloc postcode_full ppostcode_full location_id address_line1 address_line2 town_or_city county]
     questions.reject { |q| q.page.routed_to?(log, current_user) || q.derived? || callback_questions.include?(q.id) } || []
   end
 

app/models/form/page.rb

@@ -1,6 +1,7 @@
 class Form::Page
   attr_accessor :id, :header, :header_partial, :description, :questions, :depends_on, :title_text,
-                :informative_text, :subsection, :hide_subsection_label, :next_unresolved_page_id
+                :informative_text, :subsection, :hide_subsection_label, :next_unresolved_page_id,
+                :skip_text
 
   def initialize(id, hsh, subsection)
     @id = id
@@ -15,6 +16,7 @@ class Form::Page
       @informative_text = hsh["informative_text"]
       @hide_subsection_label = hsh["hide_subsection_label"]
       @next_unresolved_page_id = hsh["next_unresolved_page_id"]
+      @skip_text = hsh["skip_text"]
     end
   end
 
@@ -36,6 +38,8 @@ class Form::Page
     questions.all? { |question| question.type == "interruption_screen" }
   end
 
+  def skip_href(log = nil); end
+
 private
 
   def conditional_question_ids

app/models/form/question.rb

@@ -4,7 +4,7 @@ class Form::Question
                 :conditional_for, :readonly, :answer_options, :page, :check_answer_label,
                 :inferred_answers, :hidden_in_check_answers, :inferred_check_answers_value,
                 :guidance_partial, :prefix, :suffix, :requires_js, :fields_added, :derived,
-                :check_answers_card_number, :unresolved_hint_text, :question_number
+                :check_answers_card_number, :unresolved_hint_text, :question_number, :plain_label
 
   module GuidancePosition
     TOP = 1
@@ -41,6 +41,7 @@ class Form::Question
       @check_answers_card_number = hsh["check_answers_card_number"] || 0
       @unresolved_hint_text = hsh["unresolved_hint_text"]
       @question_number = hsh["question_number"]
+      @plain_label = hsh["plain_label"]
     end
   end
 
@@ -57,6 +58,8 @@ class Form::Question
     inferred_answer_value(log) || answer_label
   end
 
+  def notification_banner(_log = nil); end
+
   def get_inferred_answers(log)
     return [] unless inferred_answers
 

app/models/form/sales/pages/address.rb

@@ -0,0 +1,23 @@
+class Form::Sales::Pages::Address < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @id = "address"
+    @header = "What is the property's address?"
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::AddressLine1.new(nil, nil, self),
+      Form::Sales::Questions::AddressLine2.new(nil, nil, self),
+      Form::Sales::Questions::TownOrCity.new(nil, nil, self),
+      Form::Sales::Questions::County.new(nil, nil, self),
+      Form::Sales::Questions::PostcodeForFullAddress.new(nil, nil, self),
+    ]
+  end
+
+  def routed_to?(log, _current_user = nil)
+    return false if log.uprn_known.nil?
+
+    log.uprn_confirmed != 1 || log.uprn_known.zero?
+  end
+end

app/models/form/sales/pages/property_local_authority.rb

@@ -9,8 +9,20 @@ class Form::Sales::Pages::PropertyLocalAuthority < ::Form::Page
 
   def questions
     @questions ||= [
-      Form::Sales::Questions::PropertyLocalAuthorityKnown.new(nil, nil, self),
+      la_known_question,
       Form::Sales::Questions::PropertyLocalAuthority.new(nil, nil, self),
-    ]
+    ].compact
+  end
+
+  def routed_to?(log, _current_user = nil)
+    return false if log.uprn_known.nil? && form.start_date.year >= 2023
+
+    true
+  end
+
+  def la_known_question
+    if form.start_date.year < 2023
+      Form::Sales::Questions::PropertyLocalAuthorityKnown.new(nil, nil, self)
+    end
   end
 end

app/models/form/sales/pages/uprn.rb

@@ -0,0 +1,26 @@
+class Form::Sales::Pages::Uprn < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @id = "uprn"
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::Uprn.new(nil, nil, self),
+    ]
+  end
+
+  def routed_to?(log, _current_user = nil)
+    log.uprn_known == 1
+  end
+
+  def skip_text
+    "Enter address instead"
+  end
+
+  def skip_href(log = nil)
+    return unless log
+
+    "/#{log.model_name.param_key.dasherize}s/#{log.id}/address"
+  end
+end

app/models/form/sales/pages/uprn_confirmation.rb

@@ -0,0 +1,17 @@
+class Form::Sales::Pages::UprnConfirmation < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @id = "uprn_confirmation"
+    @header = "We found an address that might be this property"
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::UprnConfirmation.new(nil, nil, self),
+    ]
+  end
+
+  def routed_to?(log, _current_user = nil)
+    log.uprn.present? && log.uprn_known == 1
+  end
+end

app/models/form/sales/pages/uprn_known.rb

@@ -0,0 +1,12 @@
+class Form::Sales::Pages::UprnKnown < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @id = "uprn_known"
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::UprnKnown.new(nil, nil, self),
+    ]
+  end
+end

app/models/form/sales/questions/address_line1.rb

@@ -0,0 +1,37 @@
+class Form::Sales::Questions::AddressLine1 < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "address_line1"
+    @check_answer_label = "Address"
+    @header = "Address line 1"
+    @type = "text"
+    @plain_label = true
+  end
+
+  def hidden_in_check_answers?(log, _current_user = nil)
+    return true if log.uprn_known.nil?
+    return false if log.uprn_known&.zero?
+    return true if log.uprn_confirmed.nil? && log.uprn.present?
+    return true if log.uprn_known == 1 && log.uprn.blank?
+
+    log.uprn_confirmed == 1
+  end
+
+  def answer_label(log, _current_user = nil)
+    [
+      log.address_line1,
+      log.address_line2,
+      log.postcode_full,
+      log.town_or_city,
+      log.county,
+    ].select(&:present?).join("\n")
+  end
+
+  def get_extra_check_answer_value(log)
+    return unless log.is_la_inferred?
+
+    la = LocalAuthority.find_by(code: log.la)&.name
+
+    la.presence
+  end
+end

app/models/form/sales/questions/address_line2.rb

@@ -0,0 +1,13 @@
+class Form::Sales::Questions::AddressLine2 < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "address_line2"
+    @header = "Address line 2 (optional)"
+    @type = "text"
+    @plain_label = true
+  end
+
+  def hidden_in_check_answers?(_log = nil, _current_user = nil)
+    true
+  end
+end

app/models/form/sales/questions/county.rb

@@ -0,0 +1,13 @@
+class Form::Sales::Questions::County < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "county"
+    @header = "County (optional)"
+    @type = "text"
+    @plain_label = true
+  end
+
+  def hidden_in_check_answers?(_log = nil, _current_user = nil)
+    true
+  end
+end

app/models/form/sales/questions/postcode_for_full_address.rb

@@ -0,0 +1,25 @@
+class Form::Sales::Questions::PostcodeForFullAddress < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "postcode_full"
+    @header = "Postcode"
+    @type = "text"
+    @width = 5
+    @inferred_check_answers_value = [{
+      "condition" => {
+        "pcodenk" => 1,
+      },
+      "value" => "Not known",
+    }]
+    @inferred_answers = {
+      "la" => {
+        "is_la_inferred" => true,
+      },
+    }
+    @plain_label = true
+  end
+
+  def hidden_in_check_answers?(_log = nil, _current_user = nil)
+    true
+  end
+end

app/models/form/sales/questions/property_local_authority.rb

@@ -11,4 +11,8 @@ class Form::Sales::Questions::PropertyLocalAuthority < ::Form::Question
   def answer_options
     { "" => "Select an option" }.merge(LocalAuthority.active(form.start_date).england.map { |la| [la.code, la.name] }.to_h)
   end
+
+  def hidden_in_check_answers?(log, _current_user = nil)
+    log.saledate && log.saledate.year >= 2023 && log.is_la_inferred?
+  end
 end

app/models/form/sales/questions/town_or_city.rb

@@ -0,0 +1,13 @@
+class Form::Sales::Questions::TownOrCity < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "town_or_city"
+    @header = "Town or city"
+    @type = "text"
+    @plain_label = true
+  end
+
+  def hidden_in_check_answers?(_log = nil, _current_user = nil)
+    true
+  end
+end

app/models/form/sales/questions/uprn.rb

@@ -0,0 +1,34 @@
+class Form::Sales::Questions::Uprn < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "uprn"
+    @check_answer_label = "UPRN"
+    @header = "What is the property's UPRN"
+    @type = "text"
+    @hint_text = "The Unique Property Reference Number (UPRN) is a unique number system created by Ordnance Survey and used by housing providers and sectors UK-wide. For example 10010457355."
+    @width = 10
+  end
+
+  def unanswered_error_message
+    I18n.t("validations.property.uprn.invalid")
+  end
+
+  def get_extra_check_answer_value(log)
+    value = [
+      log.address_line1,
+      log.address_line2,
+      log.town_or_city,
+      log.county,
+      log.postcode_full,
+      (LocalAuthority.find_by(code: log.la)&.name if log.la.present?),
+    ].select(&:present?)
+
+    return unless value.any?
+
+    "\n\n#{value.join("\n")}"
+  end
+
+  def hidden_in_check_answers?(log, _current_user = nil)
+    log.uprn_known != 1
+  end
+end

app/models/form/sales/questions/uprn_confirmation.rb

@@ -0,0 +1,34 @@
+class Form::Sales::Questions::UprnConfirmation < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "uprn_confirmed"
+    @header = "Is this the property address?"
+    @type = "radio"
+    @answer_options = ANSWER_OPTIONS
+    @check_answer_label = "Is this the right address?"
+  end
+
+  ANSWER_OPTIONS = {
+    "1" => { "value" => "Yes" },
+    "0" => { "value" => "No, I want to enter the address manually" },
+  }.freeze
+
+  def notification_banner(log = nil)
+    return unless log&.uprn
+
+    {
+      title: "UPRN: #{log.uprn}",
+      heading: [
+        log.address_line1,
+        log.address_line2,
+        log.postcode_full,
+        log.town_or_city,
+        log.county,
+      ].select(&:present?).join("\n"),
+    }
+  end
+
+  def hidden_in_check_answers?(log, _current_user = nil)
+    log.uprn_known != 1 || log.uprn_confirmed.present?
+  end
+end

app/models/form/sales/questions/uprn_known.rb

@@ -0,0 +1,21 @@
+class Form::Sales::Questions::UprnKnown < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "uprn_known"
+    @check_answer_label = "UPRN known?"
+    @header = "Do you know the property UPRN?"
+    @type = "radio"
+    @answer_options = ANSWER_OPTIONS
+    @hint_text = "The Unique Property Reference Number (UPRN) is a unique number system created by Ordnance Survey and used by housing providers and sectors UK-wide. For example 10010457355.<br><br>
+    You can continue without the UPRN, but it means we will need you to enter the address of the property."
+  end
+
+  ANSWER_OPTIONS = {
+    "1" => { "value" => "Yes" },
+    "0" => { "value" => "No" },
+  }.freeze
+
+  def unanswered_error_message
+    I18n.t("validations.property.uprn_known.invalid")
+  end
+end

app/models/form/sales/subsections/property_information.rb

@@ -8,15 +8,36 @@ class Form::Sales::Subsections::PropertyInformation < ::Form::Subsection
 
   def pages
     @pages ||= [
+      uprn_questions,
       Form::Sales::Pages::PropertyNumberOfBedrooms.new(nil, nil, self),
       Form::Sales::Pages::AboutPriceValueCheck.new("about_price_bedrooms_value_check", nil, self),
       Form::Sales::Pages::PropertyUnitType.new(nil, nil, self),
       Form::Sales::Pages::MonthlyChargesValueCheck.new("monthly_charges_property_type_value_check", nil, self),
       Form::Sales::Pages::PropertyBuildingType.new(nil, nil, self),
-      Form::Sales::Pages::Postcode.new(nil, nil, self),
+      postcode_and_la_questions,
-      Form::Sales::Pages::PropertyLocalAuthority.new(nil, nil, self),
       Form::Sales::Pages::AboutPriceValueCheck.new("about_price_la_value_check", nil, self),
       Form::Sales::Pages::PropertyWheelchairAccessible.new(nil, nil, self),
-    ]
+    ].flatten.compact
+  end
+
+  def uprn_questions
+    if form.start_date.year >= 2023
+      [
+        Form::Sales::Pages::UprnKnown.new(nil, nil, self),
+        Form::Sales::Pages::Uprn.new(nil, nil, self),
+        Form::Sales::Pages::UprnConfirmation.new(nil, nil, self),
+        Form::Sales::Pages::Address.new(nil, nil, self),
+        Form::Sales::Pages::PropertyLocalAuthority.new(nil, nil, self),
+      ]
+    end
+  end
+
+  def postcode_and_la_questions
+    if form.start_date.year < 2023
+      [
+        Form::Sales::Pages::Postcode.new(nil, nil, self),
+        Form::Sales::Pages::PropertyLocalAuthority.new(nil, nil, self),
+      ]
+    end
   end
 end

app/models/lettings_log.rb

@@ -562,6 +562,8 @@ private
     not_required << "tshortfall" if tshortfall_unknown?
     not_required << "tenancylength" if tenancylength_optional?
 
+    not_required |= %w[address_line2 county postcode_full] if startdate && startdate.year >= 2023
+
     not_required
   end
 

app/models/log.rb

@@ -31,6 +31,24 @@ class Log < ApplicationRecord
   }
   scope :created_by, ->(user) { where(created_by: user) }
 
+  def process_uprn_change!
+    if uprn.present?
+      service = UprnClient.new(uprn)
+      service.call
+
+      return errors.add(:uprn, service.error) if service.error.present?
+
+      presenter = UprnDataPresenter.new(service.result)
+
+      self.uprn_confirmed = nil
+      self.address_line1 = presenter.address_line1
+      self.address_line2 = presenter.address_line2
+      self.town_or_city = presenter.town_or_city
+      self.postcode_full = presenter.postcode
+      process_postcode_changes!
+    end
+  end
+
   def collection_start_year
     return @start_year if @start_year
 

app/models/sales_log.rb

@@ -31,6 +31,7 @@ class SalesLog < Log
   before_validation :reset_location_fields!, unless: :postcode_known?
   before_validation :reset_previous_location_fields!, unless: :previous_postcode_known?
   before_validation :set_derived_fields!
+  after_validation :process_uprn_change!, if: :should_process_uprn_change?
 
   scope :filter_by_year, ->(year) { where(saledate: Time.zone.local(year.to_i, 4, 1)...Time.zone.local(year.to_i + 1, 4, 1)) }
   scope :filter_by_purchaser_code, ->(purchid) { where("purchid ILIKE ?", "%#{purchid}%") }
@@ -78,6 +79,8 @@ class SalesLog < Log
     not_required = []
     not_required << "proplen" if proplen_optional?
 
+    not_required |= %w[address_line2 county postcode_full] if saledate && saledate.year >= 2023
+
     not_required
   end
 
@@ -309,4 +312,8 @@ class SalesLog < Log
     field_value = public_send(field_name)
     format_as_currency(field_value)
   end
+
+  def should_process_uprn_change?
+    uprn_changed? && saledate && saledate.year >= 2023
+  end
 end

app/models/validations/property_validations.rb

@@ -75,4 +75,12 @@ module Validations::PropertyValidations
       record.errors.add :beds, I18n.t("validations.property.beds.over_max")
     end
   end
+
+  def validate_uprn(record)
+    return unless record.uprn
+
+    return if record.uprn.match?(/^[0-9]{1,12}$/)
+
+    record.errors.add :uprn, I18n.t("validations.property.uprn.invalid")
+  end
 end

app/models/validations/sales/property_validations.rb

@@ -16,4 +16,12 @@ module Validations::Sales::PropertyValidations
       record.errors.add :beds, I18n.t("validations.property.beds.bedsits_have_max_one_bedroom")
     end
   end
+
+  def validate_uprn(record)
+    return unless record.uprn
+
+    return if record.uprn.match?(/^[0-9]{1,12}$/)
+
+    record.errors.add :uprn, I18n.t("validations.property.uprn.invalid")
+  end
 end

app/services/uprn_client.rb

@@ -0,0 +1,50 @@
+require "net/http"
+
+class UprnClient
+  attr_reader :uprn
+  attr_accessor :error
+
+  ADDRESS = "api.os.uk".freeze
+  PATH = "/search/places/v1/uprn".freeze
+
+  def initialize(uprn)
+    @uprn = uprn
+  end
+
+  def call
+    unless response.is_a?(Net::HTTPSuccess) && result.present?
+      @error = "UPRN is not recognised. Check the number, or enter the address"
+    end
+  rescue JSON::ParserError
+    @error = "UPRN is not recognised. Check the number, or enter the address"
+  end
+
+  def result
+    @result ||= JSON.parse(response.body).dig("results", 0, "DPA")
+  end
+
+private
+
+  def http_client
+    client = Net::HTTP.new(ADDRESS, 443)
+    client.use_ssl = true
+    client.verify_mode = OpenSSL::SSL::VERIFY_PEER
+    client.max_retries = 3
+    client.read_timeout = 10 # seconds
+    client
+  end
+
+  def endpoint_uri
+    uri = URI(PATH)
+    params = {
+      uprn:,
+      key: ENV["OS_DATA_KEY"],
+    }
+    uri.query = URI.encode_www_form(params)
+    uri.to_s
+  end
+
+  def response
+    @response ||= http_client.request_get(endpoint_uri)
+  end
+end

app/services/uprn_data_presenter.rb

@@ -0,0 +1,41 @@
+require "net/http"
+
+class UprnDataPresenter
+  attr_reader :data
+
+  def initialize(data)
+    @data = data
+  end
+
+  def postcode
+    data["POSTCODE"]
+  end
+
+  def address_line1
+    data.values_at(
+      "PO_BOX_NUMBER",
+      "ORGANISATION_NAME",
+      "DEPARTMENT_NAME",
+      "SUB_BUILDING_NAME",
+      "BUILDING_NAME",
+      "BUILDING_NUMBER",
+      "DEPENDENT_THOROUGHFARE_NAME",
+      "THOROUGHFARE_NAME",
+    ).compact
+     .join(", ")
+     .titleize
+  end
+
+  def address_line2
+    data.values_at(
+      "DOUBLE_DEPENDENT_LOCALITY", "DEPENDENT_LOCALITY"
+    ).compact
+     .join(", ")
+     .titleize
+     .presence
+  end
+
+  def town_or_city
+    data["POST_TOWN"].titleize
+  end
+end

app/views/form/_check_answers_summary_list.html.erb

@@ -3,12 +3,19 @@
     <% summary_list.row do |row| %>
       <% row.key { get_question_label(question) } %>
       <% row.value do %>
-        <span class="govuk-!-margin-right-4"><%= get_answer_label(question, @log) %></span>
+          <%= simple_format(
+            get_answer_label(question, @log),
+            wrapper_tag: "span",
+            class: "govuk-!-margin-right-4",
+          ) %>
         <% extra_value = question.get_extra_check_answer_value(@log) %>
-        <% if extra_value %>
+        <% if extra_value && question.answer_label(lettings_log, current_user).present? %>
-          <span class="govuk-!-font-weight-regular app-!-colour-muted"><%= extra_value %></span>
+          <%= simple_format(
+            extra_value,
+            wrapper_tag: "span",
+            class: "govuk-!-font-weight-regular app-!-colour-muted",
+          ) %>
         <% end %>
-        <br>
         <% question.get_inferred_answers(@log).each do |inferred_answer| %>
           <span class="govuk-!-font-weight-regular app-!-colour-muted"><%= inferred_answer %></span>
         <% end %>

app/views/form/_numeric_output_question.html.erb

@@ -1,7 +1,7 @@
 <%= render partial: "form/guidance/#{question.guidance_partial}" if question.top_guidance? %>
 
 <div class="govuk-form-group">
-  <label class="govuk-label govuk-label--<%= label_size(page_header, conditional) %>" for="lettings-log-<%= question.id %>-field">
+  <label class="govuk-label govuk-label--<%= label_size(page_header, conditional, question) %>" for="lettings-log-<%= question.id %>-field">
     <%= question.header.html_safe %>
   </label>
   <div class="govuk-hint">

app/views/form/_radio_question.html.erb

@@ -1,4 +1,13 @@
 <%= render partial: "form/guidance/#{question.guidance_partial}" if question.top_guidance? %>
+  <% banner = question.notification_banner(@log) %>
+  <% if banner %>
+    <%= govuk_notification_banner(
+      title_text: banner[:title],
+      title_heading_level: 3,
+    ) do
+      simple_format(banner[:heading])
+    end %>
+  <% end %>
 
 <%= f.govuk_radio_buttons_fieldset question.id.to_sym,
   caption: caption(caption_text, page_header, conditional),

app/views/form/page.html.erb

@@ -63,7 +63,10 @@
       <div class="govuk-button-group">
         <% if !@page.interruption_screen? && if request.query_parameters["referrer"] != "check_answers" %>
           <%= f.govuk_submit "Save and continue" %>
-          <%= govuk_link_to "Skip for now", send(@log.form.next_page_redirect_path(@page, @log, current_user), @log) %>
+          <%= govuk_link_to(
+            (@page.skip_text || "Skip for now"),
+            (@page.skip_href(@log) || send(@log.form.next_page_redirect_path(@page, @log, current_user), @log)),
+          ) %>
           <% else %>
           <%= f.govuk_submit "Save changes" %>
             <%= govuk_link_to "Cancel", send(@log.form.cancel_path(@page, @log), @log) %>

config/locales/en.yml

@@ -187,6 +187,10 @@ en:
         supported_housing_mismatch: Lettings type must be a supported housing type because you selected supported housing when uploading the file
 
     property:
+      uprn:
+        invalid: "UPRN must be 12 digits or less"
+      uprn_known:
+        invalid: "You must answer UPRN known?"
       mrcdate:
         before_tenancy_start: "Enter a major repairs date that is before the tenancy start date"
         not_first_let: "Major repairs date must not be completed if the tenancy is a first let"

db/migrate/20230301170338_add_uprn_to_logs.rb

@@ -0,0 +1,15 @@
+class AddUprnToLogs < ActiveRecord::Migration[7.0]
+  def change
+    change_table :sales_logs, bulk: true do |t|
+      t.column :uprn, :string
+      t.column :uprn_known, :integer
+      t.column :uprn_confirmed, :integer
+    end
+
+    change_table :lettings_logs, bulk: true do |t|
+      t.column :uprn, :string
+      t.column :uprn_known, :integer
+      t.column :uprn_confirmed, :integer
+    end
+  end
+end

db/migrate/20230306110210_add_address_to_logs.rb

@@ -0,0 +1,15 @@
+class AddAddressToLogs < ActiveRecord::Migration[7.0]
+  change_table :sales_logs, bulk: true do |t|
+    t.column :address_line1, :string
+    t.column :address_line2, :string
+    t.column :town_or_city, :string
+    t.column :county, :string
+  end
+
+  change_table :lettings_logs, bulk: true do |t|
+    t.column :address_line1, :string
+    t.column :address_line2, :string
+    t.column :town_or_city, :string
+    t.column :county, :string
+  end
+end

db/schema.rb

@@ -279,6 +279,13 @@ ActiveRecord::Schema[7.0].define(version: 2023_03_08_101826) do
     t.boolean "unresolved"
     t.bigint "updated_by_id"
     t.bigint "bulk_upload_id"
+    t.string "uprn"
+    t.integer "uprn_known"
+    t.integer "uprn_confirmed"
+    t.string "address_line1"
+    t.string "address_line2"
+    t.string "town_or_city"
+    t.string "county"
     t.index ["bulk_upload_id"], name: "index_lettings_logs_on_bulk_upload_id"
     t.index ["created_by_id"], name: "index_lettings_logs_on_created_by_id"
     t.index ["location_id"], name: "index_lettings_logs_on_location_id"
@@ -545,6 +552,13 @@ ActiveRecord::Schema[7.0].define(version: 2023_03_08_101826) do
     t.integer "buy2living"
     t.integer "prevtenbuy2"
     t.integer "nationalbuy2"
+    t.string "uprn"
+    t.integer "uprn_known"
+    t.integer "uprn_confirmed"
+    t.string "address_line1"
+    t.string "address_line2"
+    t.string "town_or_city"
+    t.string "county"
     t.index ["bulk_upload_id"], name: "index_sales_logs_on_bulk_upload_id"
     t.index ["created_by_id"], name: "index_sales_logs_on_created_by_id"
     t.index ["old_id"], name: "index_sales_logs_on_old_id", unique: true

spec/features/lettings_log_spec.rb

@@ -89,7 +89,7 @@ RSpec.describe "Lettings Log Features" do
         click_button("Save and continue")
         log_id = page.current_path.scan(/\d/).join
         visit("lettings-logs/#{log_id}/setup/check-answers")
-        expect(page).to have_content("Stock owner User org")
+        expect(page).to have_content("Stock owner User org", normalize_ws: true)
         expect(page).to have_content("You have answered 2 of 8 questions")
       end
     end
@@ -125,7 +125,7 @@ RSpec.describe "Lettings Log Features" do
           select(managing_org.name, from: "lettings-log-managing-organisation-id-field")
           click_button("Save and continue")
           visit("lettings-logs/#{log_id}/setup/check-answers")
-          expect(page).to have_content("Managing agent Managing org")
+          expect(page).to have_content("Managing agent Managing org", normalize_ws: true)
           expect(support_user.organisation.managing_agents).to eq([org_rel.child_organisation])
         end
       end
@@ -164,7 +164,7 @@ RSpec.describe "Lettings Log Features" do
             select(managing_org1.name, from: "lettings-log-managing-organisation-id-field")
             click_button("Save and continue")
             visit("lettings-logs/#{log_id}/setup/check-answers")
-            expect(page).to have_content("Managing agent Managing org 1")
+            expect(page).to have_content("Managing agent Managing org 1", normalize_ws: true)
           end
 
           context "and the owning organisation has 2 or more managing agents" do
@@ -183,10 +183,10 @@ RSpec.describe "Lettings Log Features" do
                 select(managing_org1.name, from: "lettings-log-managing-organisation-id-field")
                 click_button("Save and continue")
                 visit("lettings-logs/#{log_id}/setup/check-answers")
-                expect(page).to have_content("Managing agent Managing org 1")
+                expect(page).to have_content("Managing agent Managing org 1", normalize_ws: true)
                 org_rel1.destroy!
                 visit("lettings-logs/#{log_id}/setup/check-answers")
-                expect(page).to have_content("Managing agent Managing org 1")
+                expect(page).to have_content("Managing agent Managing org 1", normalize_ws: true)
                 expect(support_user.organisation.managing_agents).to eq([org_rel2.child_organisation])
               end
             end
@@ -237,7 +237,7 @@ RSpec.describe "Lettings Log Features" do
           log_id = page.current_path.scan(/\d/).join
           expect(page).to have_current_path("/lettings-logs/#{log_id}/stock-owner")
           visit("lettings-logs/#{log_id}/setup/check-answers")
-          expect(page).to have_content("Stock owner User org")
+          expect(page).to have_content("Stock owner User org", normalize_ws: true)
         end
 
         context "and there are 3 or more potential stock owners" do
@@ -254,10 +254,10 @@ RSpec.describe "Lettings Log Features" do
               select(owning_org1.name, from: "lettings-log-owning-organisation-id-field")
               click_button("Save and continue")
               visit("lettings-logs/#{log_id}/setup/check-answers")
-              expect(page).to have_content("Stock owner Owning org 1")
+              expect(page).to have_content("Stock owner Owning org 1", normalize_ws: true)
               org_rel1.destroy!
               visit("lettings-logs/#{log_id}/setup/check-answers")
-              expect(page).to have_content("Stock owner Owning org 1")
+              expect(page).to have_content("Stock owner Owning org 1", normalize_ws: true)
               expect(user.organisation.stock_owners).to eq([org_rel2.parent_organisation])
             end
           end
@@ -283,7 +283,8 @@ RSpec.describe "Lettings Log Features" do
           select(user.organisation.name, from: "lettings-log-managing-organisation-id-field")
           click_button("Save and continue")
           visit("lettings-logs/#{log_id}/setup/check-answers")
-          expect(page).to have_content("Managing agent User org")
+
+          expect(page).to have_content("Managing agent User org", normalize_ws: true)
           expect(user.organisation.stock_owners).to eq([org_rel1.parent_organisation, org_rel2.parent_organisation])
         end
       end
@@ -328,7 +329,7 @@ RSpec.describe "Lettings Log Features" do
             select(managing_org.name, from: "lettings-log-managing-organisation-id-field")
             click_button("Save and continue")
             visit("lettings-logs/#{log_id}/setup/check-answers")
-            expect(page).to have_content("Managing agent Managing org")
+            expect(page).to have_content("Managing agent Managing org", normalize_ws: true)
             expect(user.organisation.managing_agents).to eq([org_rel2.child_organisation])
           end
         end

spec/fixtures/files/lettings_logs_download.csv

@@ -1,2 +1,2 @@
-id,status,created_at,updated_at,created_by_name,is_dpo,owning_organisation_name,managing_organisation_name,collection_start_year,needstype,renewal,startdate,rent_type_detail,irproduct_other,tenancycode,propcode,age1,sex1,ecstat1,hhmemb,relat2,age2,sex2,retirement_value_check,ecstat2,armedforces,leftreg,illness,housingneeds_a,housingneeds_b,housingneeds_c,housingneeds_h,is_previous_la_inferred,prevloc_label,prevloc,illness_type_1,illness_type_2,is_la_inferred,la_label,la,postcode_known,postcode_full,previous_la_known,wchair,preg_occ,cbl,earnings,incfreq,net_income_value_check,benefits,hb,period,brent,scharge,pscharge,supcharg,tcharge,offered,layear,ppostcode_full,mrcdate,declaration,ethnic,national,prevten,age3,sex3,ecstat3,age4,sex4,ecstat4,age5,sex5,ecstat5,age6,sex6,ecstat6,age7,sex7,ecstat7,age8,sex8,ecstat8,homeless,underoccupation_benefitcap,reservist,startertenancy,tenancylength,tenancy,rsnvac,unittype_gn,beds,waityear,reasonpref,chr,cap,reasonother,housingneeds_f,housingneeds_g,illness_type_3,illness_type_4,illness_type_8,illness_type_5,illness_type_6,illness_type_7,illness_type_9,illness_type_10,rp_homeless,rp_insan_unsat,rp_medwel,rp_hardship,rp_dontknow,tenancyother,property_owner_organisation,property_manager_organisation,purchaser_code,reason,majorrepairs,hbrentshortfall,property_relet,incref,first_time_property_let_as_social_housing,unitletas,builtype,voiddate,renttype,lettype,totchild,totelder,totadult,net_income_known,nocharge,is_carehome,household_charge,referral,tshortfall,chcharge,ppcodenk,age1_known,age2_known,age3_known,age4_known,age5_known,age6_known,age7_known,age8_known,ethnic_group,letting_allocation_unknown,details_known_2,details_known_3,details_known_4,details_known_5,details_known_6,details_known_7,details_known_8,has_benefits,wrent,wscharge,wpschrge,wsupchrg,wtcharge,wtshortfall,refused,housingneeds,wchchrg,newprop,relat3,relat4,relat5,relat6,relat7,relat8,rent_value_check,old_form_id,lar,irproduct,old_id,joint,tshortfall_known,sheltered,pregnancy_value_check,hhtype,new_old,vacdays,major_repairs_date_value_check,void_date_value_check,housingneeds_type,housingneeds_other,unresolved,updated_by_id,unittype_sh,scheme_code,scheme_service_name,scheme_sensitive,scheme_type,scheme_registered_under_care_act,scheme_owning_organisation_name,scheme_primary_client_group,scheme_has_other_client_group,scheme_secondary_client_group,scheme_support_type,scheme_intended_stay,scheme_created_at,location_code,location_postcode,location_name,location_units,location_type_of_unit,location_mobility_type,location_admin_district,location_startdate
+id,status,created_at,updated_at,created_by_name,is_dpo,owning_organisation_name,managing_organisation_name,collection_start_year,needstype,renewal,startdate,rent_type_detail,irproduct_other,tenancycode,propcode,age1,sex1,ecstat1,hhmemb,relat2,age2,sex2,retirement_value_check,ecstat2,armedforces,leftreg,illness,housingneeds_a,housingneeds_b,housingneeds_c,housingneeds_h,is_previous_la_inferred,prevloc_label,prevloc,illness_type_1,illness_type_2,is_la_inferred,la_label,la,postcode_known,postcode_full,previous_la_known,wchair,preg_occ,cbl,earnings,incfreq,net_income_value_check,benefits,hb,period,brent,scharge,pscharge,supcharg,tcharge,offered,layear,ppostcode_full,mrcdate,declaration,ethnic,national,prevten,age3,sex3,ecstat3,age4,sex4,ecstat4,age5,sex5,ecstat5,age6,sex6,ecstat6,age7,sex7,ecstat7,age8,sex8,ecstat8,homeless,underoccupation_benefitcap,reservist,startertenancy,tenancylength,tenancy,rsnvac,unittype_gn,beds,waityear,reasonpref,chr,cap,reasonother,housingneeds_f,housingneeds_g,illness_type_3,illness_type_4,illness_type_8,illness_type_5,illness_type_6,illness_type_7,illness_type_9,illness_type_10,rp_homeless,rp_insan_unsat,rp_medwel,rp_hardship,rp_dontknow,tenancyother,property_owner_organisation,property_manager_organisation,purchaser_code,reason,majorrepairs,hbrentshortfall,property_relet,incref,first_time_property_let_as_social_housing,unitletas,builtype,voiddate,renttype,lettype,totchild,totelder,totadult,net_income_known,nocharge,is_carehome,household_charge,referral,tshortfall,chcharge,ppcodenk,age1_known,age2_known,age3_known,age4_known,age5_known,age6_known,age7_known,age8_known,ethnic_group,letting_allocation_unknown,details_known_2,details_known_3,details_known_4,details_known_5,details_known_6,details_known_7,details_known_8,has_benefits,wrent,wscharge,wpschrge,wsupchrg,wtcharge,wtshortfall,refused,housingneeds,wchchrg,newprop,relat3,relat4,relat5,relat6,relat7,relat8,rent_value_check,old_form_id,lar,irproduct,old_id,joint,tshortfall_known,sheltered,pregnancy_value_check,hhtype,new_old,vacdays,major_repairs_date_value_check,void_date_value_check,housingneeds_type,housingneeds_other,unresolved,updated_by_id,uprn,uprn_known,uprn_confirmed,address_line1,address_line2,town_or_city,county,unittype_sh,scheme_code,scheme_service_name,scheme_sensitive,scheme_type,scheme_registered_under_care_act,scheme_owning_organisation_name,scheme_primary_client_group,scheme_has_other_client_group,scheme_secondary_client_group,scheme_support_type,scheme_intended_stay,scheme_created_at,location_code,location_postcode,location_name,location_units,location_type_of_unit,location_mobility_type,location_admin_district,location_startdate
-{id},in_progress,2022-02-08 16:52:15 +0000,2022-02-08 16:52:15 +0000,Danny Rojas,No,DLUHC,DLUHC,2021,Supported housing,,2 October 2021,London Affordable Rent,,,,,,,,,,,,,,,,,,,,No,,,,,No,Westminster,E09000033,,SE1 1TE,,No,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,2,8,0,0,0,,0,,,,,,,,,,,,,,,,,,,,,,,,0,,,,,,,0,,,,,,,,,,,,,,,,,,,9,1,,,,,,,,6,{scheme_code},{scheme_service_name},{scheme_sensitive},Missing,No,DLUHC,{scheme_primary_client_group},,{scheme_secondary_client_group},{scheme_support_type},{scheme_intended_stay},2021-04-01 00:00:00 +0100,{location_code},SE1 1TE,Downing Street,20,Bungalow,Fitted with equipment and adaptations,Westminster,{location_startdate}
+{id},in_progress,2022-02-08 16:52:15 +0000,2022-02-08 16:52:15 +0000,Danny Rojas,No,DLUHC,DLUHC,2021,Supported housing,,2 October 2021,London Affordable Rent,,,,,,,,,,,,,,,,,,,,No,,,,,No,Westminster,E09000033,,SE1 1TE,,No,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,2,8,0,0,0,,0,,,,,,,,,,,,,,,,,,,,,,,,0,,,,,,,0,,,,,,,,,,,,,,,,,,,9,1,,,,,,,,,,,,,,,6,{scheme_code},{scheme_service_name},{scheme_sensitive},Missing,No,DLUHC,{scheme_primary_client_group},,{scheme_secondary_client_group},{scheme_support_type},{scheme_intended_stay},2021-04-01 00:00:00 +0100,{location_code},SE1 1TE,Downing Street,20,Bungalow,Fitted with equipment and adaptations,Westminster,{location_startdate}

spec/fixtures/files/lettings_logs_download_codes_only.csv

@@ -1,2 +1,2 @@
-id,status,created_at,updated_at,created_by_name,is_dpo,owning_organisation_name,managing_organisation_name,collection_start_year,needstype,renewal,startdate,rent_type_detail,irproduct_other,tenancycode,propcode,age1,sex1,ecstat1,hhmemb,relat2,age2,sex2,retirement_value_check,ecstat2,armedforces,leftreg,illness,housingneeds_a,housingneeds_b,housingneeds_c,housingneeds_h,is_previous_la_inferred,prevloc_label,prevloc,illness_type_1,illness_type_2,is_la_inferred,la_label,la,postcode_known,postcode_full,previous_la_known,wchair,preg_occ,cbl,earnings,incfreq,net_income_value_check,benefits,hb,period,brent,scharge,pscharge,supcharg,tcharge,offered,layear,ppostcode_full,mrcdate,declaration,ethnic,national,prevten,age3,sex3,ecstat3,age4,sex4,ecstat4,age5,sex5,ecstat5,age6,sex6,ecstat6,age7,sex7,ecstat7,age8,sex8,ecstat8,homeless,underoccupation_benefitcap,reservist,startertenancy,tenancylength,tenancy,rsnvac,unittype_gn,beds,waityear,reasonpref,chr,cap,reasonother,housingneeds_f,housingneeds_g,illness_type_3,illness_type_4,illness_type_8,illness_type_5,illness_type_6,illness_type_7,illness_type_9,illness_type_10,rp_homeless,rp_insan_unsat,rp_medwel,rp_hardship,rp_dontknow,tenancyother,property_owner_organisation,property_manager_organisation,purchaser_code,reason,majorrepairs,hbrentshortfall,property_relet,incref,first_time_property_let_as_social_housing,unitletas,builtype,voiddate,renttype,lettype,totchild,totelder,totadult,net_income_known,nocharge,is_carehome,household_charge,referral,tshortfall,chcharge,ppcodenk,age1_known,age2_known,age3_known,age4_known,age5_known,age6_known,age7_known,age8_known,ethnic_group,letting_allocation_unknown,details_known_2,details_known_3,details_known_4,details_known_5,details_known_6,details_known_7,details_known_8,has_benefits,wrent,wscharge,wpschrge,wsupchrg,wtcharge,wtshortfall,refused,housingneeds,wchchrg,newprop,relat3,relat4,relat5,relat6,relat7,relat8,rent_value_check,old_form_id,lar,irproduct,old_id,joint,tshortfall_known,sheltered,pregnancy_value_check,hhtype,new_old,vacdays,major_repairs_date_value_check,void_date_value_check,housingneeds_type,housingneeds_other,unresolved,updated_by_id,unittype_sh,scheme_code,scheme_service_name,scheme_sensitive,scheme_type,scheme_registered_under_care_act,scheme_owning_organisation_name,scheme_primary_client_group,scheme_has_other_client_group,scheme_secondary_client_group,scheme_support_type,scheme_intended_stay,scheme_created_at,location_code,location_postcode,location_name,location_units,location_type_of_unit,location_mobility_type,location_admin_district,location_startdate
+id,status,created_at,updated_at,created_by_name,is_dpo,owning_organisation_name,managing_organisation_name,collection_start_year,needstype,renewal,startdate,rent_type_detail,irproduct_other,tenancycode,propcode,age1,sex1,ecstat1,hhmemb,relat2,age2,sex2,retirement_value_check,ecstat2,armedforces,leftreg,illness,housingneeds_a,housingneeds_b,housingneeds_c,housingneeds_h,is_previous_la_inferred,prevloc_label,prevloc,illness_type_1,illness_type_2,is_la_inferred,la_label,la,postcode_known,postcode_full,previous_la_known,wchair,preg_occ,cbl,earnings,incfreq,net_income_value_check,benefits,hb,period,brent,scharge,pscharge,supcharg,tcharge,offered,layear,ppostcode_full,mrcdate,declaration,ethnic,national,prevten,age3,sex3,ecstat3,age4,sex4,ecstat4,age5,sex5,ecstat5,age6,sex6,ecstat6,age7,sex7,ecstat7,age8,sex8,ecstat8,homeless,underoccupation_benefitcap,reservist,startertenancy,tenancylength,tenancy,rsnvac,unittype_gn,beds,waityear,reasonpref,chr,cap,reasonother,housingneeds_f,housingneeds_g,illness_type_3,illness_type_4,illness_type_8,illness_type_5,illness_type_6,illness_type_7,illness_type_9,illness_type_10,rp_homeless,rp_insan_unsat,rp_medwel,rp_hardship,rp_dontknow,tenancyother,property_owner_organisation,property_manager_organisation,purchaser_code,reason,majorrepairs,hbrentshortfall,property_relet,incref,first_time_property_let_as_social_housing,unitletas,builtype,voiddate,renttype,lettype,totchild,totelder,totadult,net_income_known,nocharge,is_carehome,household_charge,referral,tshortfall,chcharge,ppcodenk,age1_known,age2_known,age3_known,age4_known,age5_known,age6_known,age7_known,age8_known,ethnic_group,letting_allocation_unknown,details_known_2,details_known_3,details_known_4,details_known_5,details_known_6,details_known_7,details_known_8,has_benefits,wrent,wscharge,wpschrge,wsupchrg,wtcharge,wtshortfall,refused,housingneeds,wchchrg,newprop,relat3,relat4,relat5,relat6,relat7,relat8,rent_value_check,old_form_id,lar,irproduct,old_id,joint,tshortfall_known,sheltered,pregnancy_value_check,hhtype,new_old,vacdays,major_repairs_date_value_check,void_date_value_check,housingneeds_type,housingneeds_other,unresolved,updated_by_id,uprn,uprn_known,uprn_confirmed,address_line1,address_line2,town_or_city,county,unittype_sh,scheme_code,scheme_service_name,scheme_sensitive,scheme_type,scheme_registered_under_care_act,scheme_owning_organisation_name,scheme_primary_client_group,scheme_has_other_client_group,scheme_secondary_client_group,scheme_support_type,scheme_intended_stay,scheme_created_at,location_code,location_postcode,location_name,location_units,location_type_of_unit,location_mobility_type,location_admin_district,location_startdate
-{id},in_progress,2022-02-08 16:52:15 +0000,2022-02-08 16:52:15 +0000,Danny Rojas,false,DLUHC,DLUHC,2021,2,,2 October 2021,2,,,,,,,,,,,,,,,,,,,,false,,,,,false,Westminster,E09000033,,SE1 1TE,,2,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,2,8,0,0,0,,0,,,,,,,,,,,,,,,,,,,,,,,,0,,,,,,,0,,,,,,,,,,,,,,,,,,,9,1,,,,,,,,6,{scheme_code},{scheme_service_name},{scheme_sensitive},0,1,DLUHC,{scheme_primary_client_group},,{scheme_secondary_client_group},{scheme_support_type},{scheme_intended_stay},2021-04-01 00:00:00 +0100,{location_code},SE1 1TE,Downing Street,20,6,A,Westminster,{location_startdate}
+{id},in_progress,2022-02-08 16:52:15 +0000,2022-02-08 16:52:15 +0000,Danny Rojas,false,DLUHC,DLUHC,2021,2,,2 October 2021,2,,,,,,,,,,,,,,,,,,,,false,,,,,false,Westminster,E09000033,,SE1 1TE,,2,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,2,8,0,0,0,,0,,,,,,,,,,,,,,,,,,,,,,,,0,,,,,,,0,,,,,,,,,,,,,,,,,,,9,1,,,,,,,,,,,,,,,6,{scheme_code},{scheme_service_name},{scheme_sensitive},0,1,DLUHC,{scheme_primary_client_group},,{scheme_secondary_client_group},{scheme_support_type},{scheme_intended_stay},2021-04-01 00:00:00 +0100,{location_code},SE1 1TE,Downing Street,20,6,A,Westminster,{location_startdate}

spec/fixtures/files/lettings_logs_download_non_support.csv

@@ -1,2 +1,2 @@
-id,status,created_at,updated_at,created_by_name,is_dpo,owning_organisation_name,managing_organisation_name,collection_start_year,renewal,startdate,irproduct_other,tenancycode,propcode,age1,sex1,ecstat1,relat2,age2,sex2,ecstat2,armedforces,leftreg,illness,housingneeds_a,housingneeds_b,housingneeds_c,housingneeds_h,prevloc_label,illness_type_1,illness_type_2,la_label,postcode_full,wchair,preg_occ,cbl,earnings,incfreq,benefits,hb,period,brent,scharge,pscharge,supcharg,tcharge,offered,layear,ppostcode_full,mrcdate,declaration,ethnic,national,prevten,age3,sex3,ecstat3,age4,sex4,ecstat4,age5,sex5,ecstat5,age6,sex6,ecstat6,age7,sex7,ecstat7,age8,sex8,ecstat8,homeless,underoccupation_benefitcap,reservist,startertenancy,tenancylength,tenancy,rsnvac,unittype_gn,beds,waityear,reasonpref,chr,cap,reasonother,housingneeds_f,housingneeds_g,illness_type_3,illness_type_4,illness_type_8,illness_type_5,illness_type_6,illness_type_7,illness_type_9,illness_type_10,rp_homeless,rp_insan_unsat,rp_medwel,rp_hardship,rp_dontknow,tenancyother,property_owner_organisation,property_manager_organisation,purchaser_code,reason,majorrepairs,hbrentshortfall,property_relet,incref,unitletas,builtype,voiddate,lettype,nocharge,household_charge,referral,tshortfall,chcharge,ppcodenk,ethnic_group,has_benefits,refused,housingneeds,wchchrg,newprop,relat3,relat4,relat5,relat6,relat7,relat8,lar,irproduct,joint,sheltered,major_repairs_date_value_check,void_date_value_check,housingneeds_type,housingneeds_other,unittype_sh,scheme_code,scheme_service_name,scheme_sensitive,scheme_type,scheme_registered_under_care_act,scheme_owning_organisation_name,scheme_primary_client_group,scheme_has_other_client_group,scheme_secondary_client_group,scheme_support_type,scheme_intended_stay,scheme_created_at,location_code,location_postcode,location_name,location_units,location_type_of_unit,location_mobility_type,location_admin_district,location_startdate
+id,status,created_at,updated_at,created_by_name,is_dpo,owning_organisation_name,managing_organisation_name,collection_start_year,renewal,startdate,irproduct_other,tenancycode,propcode,age1,sex1,ecstat1,relat2,age2,sex2,ecstat2,armedforces,leftreg,illness,housingneeds_a,housingneeds_b,housingneeds_c,housingneeds_h,prevloc_label,illness_type_1,illness_type_2,la_label,postcode_full,wchair,preg_occ,cbl,earnings,incfreq,benefits,hb,period,brent,scharge,pscharge,supcharg,tcharge,offered,layear,ppostcode_full,mrcdate,declaration,ethnic,national,prevten,age3,sex3,ecstat3,age4,sex4,ecstat4,age5,sex5,ecstat5,age6,sex6,ecstat6,age7,sex7,ecstat7,age8,sex8,ecstat8,homeless,underoccupation_benefitcap,reservist,startertenancy,tenancylength,tenancy,rsnvac,unittype_gn,beds,waityear,reasonpref,chr,cap,reasonother,housingneeds_f,housingneeds_g,illness_type_3,illness_type_4,illness_type_8,illness_type_5,illness_type_6,illness_type_7,illness_type_9,illness_type_10,rp_homeless,rp_insan_unsat,rp_medwel,rp_hardship,rp_dontknow,tenancyother,property_owner_organisation,property_manager_organisation,purchaser_code,reason,majorrepairs,hbrentshortfall,property_relet,incref,unitletas,builtype,voiddate,lettype,nocharge,household_charge,referral,tshortfall,chcharge,ppcodenk,ethnic_group,has_benefits,refused,housingneeds,wchchrg,newprop,relat3,relat4,relat5,relat6,relat7,relat8,lar,irproduct,joint,sheltered,major_repairs_date_value_check,void_date_value_check,housingneeds_type,housingneeds_other,uprn,uprn_known,uprn_confirmed,address_line1,address_line2,town_or_city,county,unittype_sh,scheme_code,scheme_service_name,scheme_sensitive,scheme_type,scheme_registered_under_care_act,scheme_owning_organisation_name,scheme_primary_client_group,scheme_has_other_client_group,scheme_secondary_client_group,scheme_support_type,scheme_intended_stay,scheme_created_at,location_code,location_postcode,location_name,location_units,location_type_of_unit,location_mobility_type,location_admin_district,location_startdate
-{id},in_progress,2022-02-08 16:52:15 +0000,2022-02-08 16:52:15 +0000,Danny Rojas,No,DLUHC,DLUHC,2021,,2 October 2021,,,,,,,,,,,,,,,,,,,,,Westminster,SE1 1TE,No,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,8,0,,,,,,,0,0,,,,,,,,,,,,,,,,,,6,{scheme_code},{scheme_service_name},{scheme_sensitive},Missing,No,DLUHC,{scheme_primary_client_group},,{scheme_secondary_client_group},{scheme_support_type},{scheme_intended_stay},2021-04-01 00:00:00 +0100,{location_code},SE1 1TE,Downing Street,20,Bungalow,Fitted with equipment and adaptations,Westminster,{location_startdate}
+{id},in_progress,2022-02-08 16:52:15 +0000,2022-02-08 16:52:15 +0000,Danny Rojas,No,DLUHC,DLUHC,2021,,2 October 2021,,,,,,,,,,,,,,,,,,,,,Westminster,SE1 1TE,No,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,8,0,,,,,,,0,0,,,,,,,,,,,,,,,,,,,,,,,,,6,{scheme_code},{scheme_service_name},{scheme_sensitive},Missing,No,DLUHC,{scheme_primary_client_group},,{scheme_secondary_client_group},{scheme_support_type},{scheme_intended_stay},2021-04-01 00:00:00 +0100,{location_code},SE1 1TE,Downing Street,20,Bungalow,Fitted with equipment and adaptations,Westminster,{location_startdate}

spec/helpers/question_view_helper_spec.rb

@@ -44,9 +44,15 @@ RSpec.describe QuestionViewHelper do
   describe "legend" do
     subject(:question_view_helper) { legend(question, page_header, conditional) }
 
-    question_stub = Struct.new(:header) do
+    let(:question_stub) do
-      def question_number_string(_conditional)
+      Struct.new(:header) do
-        nil
+        def question_number_string(_conditional)
+          nil
+        end
+
+        def plain_label
+          nil
+        end
       end
     end
 
@@ -81,5 +87,23 @@ RSpec.describe QuestionViewHelper do
         expect(question_view_helper).to eq(legend_options_hash)
       end
     end
+
+    context "when viewing a question with a plain label" do
+      let(:question_stub) do
+        Struct.new(:header) do
+          def question_number_string(_conditional)
+            nil
+          end
+
+          def plain_label
+            true
+          end
+        end
+      end
+
+      it "returns an options hash with nil size" do
+        expect(question_view_helper).to eq({ size: nil, tag: "div", text: "Some question header" })
+      end
+    end
   end
 end

spec/models/form/sales/pages/address_spec.rb

@@ -0,0 +1,73 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Pages::Address, type: :model do
+  subject(:page) { described_class.new(page_id, page_definition, subsection) }
+
+  let(:page_id) { nil }
+  let(:page_definition) { nil }
+  let(:subsection) { instance_double(Form::Subsection) }
+
+  it "has correct subsection" do
+    expect(page.subsection).to eq(subsection)
+  end
+
+  it "has correct questions" do
+    expect(page.questions.map(&:id)).to eq(%w[address_line1 address_line2 town_or_city county postcode_full])
+  end
+
+  it "has the correct id" do
+    expect(page.id).to eq("address")
+  end
+
+  it "has the correct header" do
+    expect(page.header).to eq("What is the property's address?")
+  end
+
+  it "has the correct description" do
+    expect(page.description).to be_nil
+  end
+
+  it "has correct depends_on" do
+    expect(page.depends_on).to be_nil
+  end
+
+  describe "has correct routed_to?" do
+    context "when uprn_known == nil" do
+      let(:log) { create(:sales_log, uprn_known: nil) }
+
+      it "returns false" do
+        expect(page.routed_to?(log)).to eq(false)
+      end
+    end
+
+    context "when uprn_confirmed != 1" do
+      let(:log) do
+        create(:sales_log, uprn_known: 1, uprn_confirmed: 0)
+      end
+
+      it "returns true" do
+        expect(page.routed_to?(log)).to eq(true)
+      end
+    end
+
+    context "when uprn_known == 0" do
+      let(:log) do
+        create(:sales_log, uprn_known: 0, uprn_confirmed: 0)
+      end
+
+      it "returns true" do
+        expect(page.routed_to?(log)).to eq(true)
+      end
+    end
+
+    context "when uprn_confirmed == 1 && uprn_known != 0" do
+      let(:log) do
+        create(:sales_log, uprn_known: 1, uprn_confirmed: 1)
+      end
+
+      it "returns true" do
+        expect(page.routed_to?(log)).to eq(false)
+      end
+    end
+  end
+end

spec/models/form/sales/pages/property_local_authority_spec.rb

@@ -12,13 +12,31 @@ RSpec.describe Form::Sales::Pages::PropertyLocalAuthority, type: :model do
     expect(page.subsection).to eq(subsection)
   end
 
-  it "has correct questions" do
+  describe "has correct questions" do
-    expect(page.questions.map(&:id)).to eq(
+    context "when 2022" do
-      %w[
+      let(:start_date) { Time.utc(2022, 2, 8) }
-        la_known
+
-        la
+      it "has correct questions" do
-      ],
+        expect(page.questions.map(&:id)).to eq(
-    )
+          %w[
+            la_known
+            la
+          ],
+        )
+      end
+    end
+
+    context "when 2023" do
+      let(:start_date) { Time.utc(2023, 2, 8) }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(
+          %w[
+            la
+          ],
+        )
+      end
+    end
   end
 
   it "has the correct id" do
@@ -38,4 +56,33 @@ RSpec.describe Form::Sales::Pages::PropertyLocalAuthority, type: :model do
       "is_la_inferred" => false,
     }])
   end
+
+  describe "has correct routed_to?" do
+    context "when start_date < 2023" do
+      let(:log) { create(:sales_log, uprn_known: 1) }
+      let(:start_date) { Time.utc(2022, 2, 8) }
+
+      it "returns false" do
+        expect(page.routed_to?(log)).to eq(true)
+      end
+    end
+
+    context "when start_date >= 2023" do
+      let(:log) { create(:sales_log, uprn_known: 1) }
+      let(:start_date) { Time.utc(2023, 2, 8) }
+
+      it "returns true" do
+        expect(page.routed_to?(log)).to eq(true)
+      end
+    end
+
+    context "when start_date < 2023 and uprn_known: nil" do
+      let(:log) { create(:sales_log, uprn_known: nil) }
+      let(:start_date) { Time.utc(2023, 2, 8) }
+
+      it "returns true" do
+        expect(page.routed_to?(log)).to eq(false)
+      end
+    end
+  end
 end

spec/models/form/sales/pages/uprn_confirmation_spec.rb

@@ -0,0 +1,59 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Pages::UprnConfirmation, type: :model do
+  subject(:page) { described_class.new(page_id, page_definition, subsection) }
+
+  let(:page_id) { nil }
+  let(:page_definition) { nil }
+  let(:subsection) { instance_double(Form::Subsection) }
+
+  it "has correct subsection" do
+    expect(page.subsection).to eq(subsection)
+  end
+
+  it "has correct questions" do
+    expect(page.questions.map(&:id)).to eq(%w[uprn_confirmed])
+  end
+
+  it "has the correct id" do
+    expect(page.id).to eq("uprn_confirmation")
+  end
+
+  it "has the correct header" do
+    expect(page.header).to eq("We found an address that might be this property")
+  end
+
+  it "has the correct description" do
+    expect(page.description).to be_nil
+  end
+
+  it "has correct depends_on" do
+    expect(page.depends_on).to be_nil
+  end
+
+  describe "has correct routed_to?" do
+    context "when uprn present && uprn_known == 1 " do
+      let(:log) { create(:sales_log, uprn_known: 1, uprn: "123456789") }
+
+      it "returns true" do
+        expect(page.routed_to?(log)).to eq(true)
+      end
+    end
+
+    context "when uprn = nil" do
+      let(:log) { create(:sales_log, uprn_known: 1, uprn: nil) }
+
+      it "returns false" do
+        expect(page.routed_to?(log)).to eq(false)
+      end
+    end
+
+    context "when uprn_known == 0" do
+      let(:log) { create(:sales_log, uprn_known: 0, uprn: "123456789") }
+
+      it "returns false" do
+        expect(page.routed_to?(log)).to eq(false)
+      end
+    end
+  end
+end

spec/models/form/sales/pages/uprn_known_spec.rb

@@ -0,0 +1,33 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Pages::UprnKnown, type: :model do
+  subject(:page) { described_class.new(page_id, page_definition, subsection) }
+
+  let(:page_id) { nil }
+  let(:page_definition) { nil }
+  let(:subsection) { instance_double(Form::Subsection) }
+
+  it "has correct subsection" do
+    expect(page.subsection).to eq(subsection)
+  end
+
+  it "has correct questions" do
+    expect(page.questions.map(&:id)).to eq(%w[uprn_known])
+  end
+
+  it "has the correct id" do
+    expect(page.id).to eq("uprn_known")
+  end
+
+  it "has the correct header" do
+    expect(page.header).to be_nil
+  end
+
+  it "has the correct description" do
+    expect(page.description).to be_nil
+  end
+
+  it "has correct depends_on" do
+    expect(page.depends_on).to be_nil
+  end
+end

spec/models/form/sales/pages/uprn_spec.rb

@@ -0,0 +1,73 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Pages::Uprn, type: :model do
+  subject(:page) { described_class.new(page_id, page_definition, subsection) }
+
+  let(:page_id) { nil }
+  let(:page_definition) { nil }
+  let(:subsection) { instance_double(Form::Subsection) }
+
+  it "has correct subsection" do
+    expect(page.subsection).to eq(subsection)
+  end
+
+  it "has correct questions" do
+    expect(page.questions.map(&:id)).to eq(%w[uprn])
+  end
+
+  it "has the correct id" do
+    expect(page.id).to eq("uprn")
+  end
+
+  it "has the correct header" do
+    expect(page.header).to be_nil
+  end
+
+  it "has the correct description" do
+    expect(page.description).to be_nil
+  end
+
+  it "has correct depends_on" do
+    expect(page.depends_on).to be_nil
+  end
+
+  it "has correct skip_text" do
+    expect(page.skip_text).to eq("Enter address instead")
+  end
+
+  describe "has correct routed_to?" do
+    context "when uprn_known != 1" do
+      let(:log) { create(:sales_log, uprn_known: 0) }
+
+      it "returns false" do
+        expect(page.routed_to?(log)).to eq(false)
+      end
+    end
+
+    context "when uprn_known == 1" do
+      let(:log) { create(:sales_log, uprn_known: 1) }
+
+      it "returns true" do
+        expect(page.routed_to?(log)).to eq(true)
+      end
+    end
+  end
+
+  describe "has correct skip_href" do
+    context "when log is nil" do
+      it "is nil" do
+        expect(page.skip_href).to be_nil
+      end
+    end
+
+    context "when log is present" do
+      let(:log) { create(:sales_log) }
+
+      it "points to address page" do
+        expect(page.skip_href(log)).to eq(
+          "/sales-logs/#{log.id}/address",
+        )
+      end
+    end
+  end
+end

spec/models/form/sales/questions/address_line1_spec.rb

@@ -0,0 +1,75 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::AddressLine1, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("address_line1")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Address line 1")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("Address")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("text")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to be_nil
+  end
+
+  it "has the correct inferred check answers value" do
+    expect(question.inferred_check_answers_value).to be_nil
+  end
+
+  it "has the correct check_answers_card_number" do
+    expect(question.check_answers_card_number).to be_nil
+  end
+
+  describe "has the correct get_extra_check_answer_value" do
+    context "when la is not present" do
+      let(:log) { create(:sales_log, la: nil) }
+
+      it "returns nil" do
+        expect(question.get_extra_check_answer_value(log)).to be_nil
+      end
+    end
+
+    context "when la is present but not inferred" do
+      let(:log) { create(:sales_log, la: "E09000003", is_la_inferred: false) }
+
+      it "returns nil" do
+        expect(question.get_extra_check_answer_value(log)).to be_nil
+      end
+    end
+
+    context "when la is present but inferred" do
+      let(:log) { create(:sales_log, la: "E09000003") }
+
+      before do
+        allow(log).to receive(:is_la_inferred?).and_return(true)
+      end
+
+      it "returns the la" do
+        expect(question.get_extra_check_answer_value(log)).to eq("Barnet")
+      end
+    end
+  end
+end

spec/models/form/sales/questions/address_line2_spec.rb

@@ -0,0 +1,49 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::AddressLine2, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("address_line2")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Address line 2 (optional)")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to be_nil
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("text")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to be_nil
+  end
+
+  it "has the correct inferred check answers value" do
+    expect(question.inferred_check_answers_value).to be_nil
+  end
+
+  it "has the correct check_answers_card_number" do
+    expect(question.check_answers_card_number).to be_nil
+  end
+
+  it "has the correct hidden_in_check_answers" do
+    expect(question.hidden_in_check_answers?).to eq(true)
+  end
+end

spec/models/form/sales/questions/county_spec.rb

@@ -0,0 +1,49 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::County, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("county")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("County (optional)")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to be_nil
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("text")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to be_nil
+  end
+
+  it "has the correct inferred check answers value" do
+    expect(question.inferred_check_answers_value).to be_nil
+  end
+
+  it "has the correct check_answers_card_number" do
+    expect(question.check_answers_card_number).to be_nil
+  end
+
+  it "has the correct hidden_in_check_answers" do
+    expect(question.hidden_in_check_answers?).to eq(true)
+  end
+end

spec/models/form/sales/questions/postcode_for_full_address_spec.rb

@@ -0,0 +1,62 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::PostcodeForFullAddress, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("postcode_full")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Postcode")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to be_nil
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("text")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to be_nil
+  end
+
+  it "has the correct width" do
+    expect(question.width).to eq(5)
+  end
+
+  it "has the correct inferred_answers" do
+    expect(question.inferred_answers).to eq({
+      "la" => {
+        "is_la_inferred" => true,
+      },
+    })
+  end
+
+  it "has the correct inferred_check_answers_value" do
+    expect(question.inferred_check_answers_value).to eq([{
+      "condition" => {
+        "pcodenk" => 1,
+      },
+      "value" => "Not known",
+    }])
+  end
+
+  it "has the correct hidden_in_check_answers" do
+    expect(question.hidden_in_check_answers?).to eq(true)
+  end
+end

spec/models/form/sales/questions/property_local_authority_spec.rb

@@ -667,4 +667,34 @@ RSpec.describe Form::Sales::Questions::PropertyLocalAuthority, type: :model do
       })
     end
   end
+
+  describe "has the correct hidden_in_check_answers" do
+    context "when saledate.year before 2023" do
+      let(:log) { build(:sales_log, saledate: Time.zone.parse("2022-07-01")) }
+
+      it "returns false" do
+        expect(question.hidden_in_check_answers?(log)).to eq(false)
+      end
+    end
+
+    context "when saledate.year >= 2023" do
+      let(:log) { build(:sales_log, saledate: Time.zone.parse("2023-07-01")) }
+
+      it "returns true" do
+        expect(question.hidden_in_check_answers?(log)).to eq(false)
+      end
+    end
+
+    context "when saledate.year >= 2023 and la inferred" do
+      let(:log) { build(:sales_log, saledate: Time.zone.parse("2023-07-01")) }
+
+      before do
+        allow(log).to receive(:is_la_inferred?).and_return(true)
+      end
+
+      it "returns true" do
+        expect(question.hidden_in_check_answers?(log)).to eq(true)
+      end
+    end
+  end
 end

spec/models/form/sales/questions/town_or_city_spec.rb

@@ -0,0 +1,49 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::TownOrCity, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("town_or_city")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Town or city")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to be_nil
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("text")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to be_nil
+  end
+
+  it "has the correct inferred check answers value" do
+    expect(question.inferred_check_answers_value).to be_nil
+  end
+
+  it "has the correct check_answers_card_number" do
+    expect(question.check_answers_card_number).to be_nil
+  end
+
+  it "has the correct hidden_in_check_answers" do
+    expect(question.hidden_in_check_answers?).to eq(true)
+  end
+end

spec/models/form/sales/questions/uprn_confirmation_spec.rb

@@ -0,0 +1,90 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::UprnConfirmation, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("uprn_confirmed")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Is this the property address?")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("Is this the right address?")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("radio")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to be_nil
+  end
+
+  it "has the correct unanswered_error_message" do
+    expect(question.unanswered_error_message).to eq("You must answer is this the right address?")
+  end
+
+  describe "notification_banner" do
+    context "when address is not present" do
+      it "returns nil" do
+        log = create(:sales_log)
+
+        expect(question.notification_banner(log)).to be_nil
+      end
+    end
+
+    context "when address is present" do
+      it "returns formatted value" do
+        log = create(:sales_log, address_line1: "1, Test Street", town_or_city: "Test Town", county: "Test County", postcode_full: "AA1 1AA", uprn: "1234")
+
+        expect(question.notification_banner(log)).to eq(
+          {
+            heading: "1, Test Street\nAA1 1AA\nTest Town\nTest County",
+            title: "UPRN: 1234",
+          },
+        )
+      end
+    end
+  end
+
+  describe "has the correct hidden_in_check_answers" do
+    context "when uprn_known != 1 && uprn_confirmed == nil" do
+      let(:log) { create(:sales_log, uprn_known: 0, uprn_confirmed: nil) }
+
+      it "returns true" do
+        expect(question.hidden_in_check_answers?(log)).to eq(true)
+      end
+    end
+
+    context "when uprn_known == 1 && uprn_confirmed == nil" do
+      let(:log) { create(:sales_log, uprn_known: 1, uprn_confirmed: nil) }
+
+      it "returns false" do
+        expect(question.hidden_in_check_answers?(log)).to eq(false)
+      end
+    end
+
+    context "when uprn_known != 1 && uprn_confirmed == 1" do
+      let(:log) { create(:sales_log, uprn_known: 1, uprn_confirmed: 1) }
+
+      it "returns true" do
+        expect(question.hidden_in_check_answers?(log)).to eq(true)
+      end
+    end
+  end
+end

spec/models/form/sales/questions/uprn_known_spec.rb

@@ -0,0 +1,59 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::UprnKnown, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("uprn_known")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Do you know the property UPRN?")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("UPRN known?")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("radio")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct answer_options" do
+    expect(question.answer_options).to eq({
+      "0" => { "value" => "No" },
+      "1" => { "value" => "Yes" },
+    })
+  end
+
+  it "has correct conditional for" do
+    expect(question.conditional_for).to be_nil
+  end
+
+  it "has the correct unanswered_error_message" do
+    expect(question.unanswered_error_message).to eq("You must answer UPRN known?")
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to eq(
+      "The Unique Property Reference Number (UPRN) is a unique number system created by Ordnance Survey and used by housing providers and sectors UK-wide. For example 10010457355.<br><br>
+    You can continue without the UPRN, but it means we will need you to enter the address of the property.",
+    )
+  end
+
+  it "has the correct hidden_in_check_answers" do
+    expect(question.hidden_in_check_answers).to be_nil
+  end
+end

spec/models/form/sales/questions/uprn_spec.rb

@@ -0,0 +1,88 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::Uprn, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("uprn")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("What is the property's UPRN")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("UPRN")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("text")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to eq("The Unique Property Reference Number (UPRN) is a unique number system created by Ordnance Survey and used by housing providers and sectors UK-wide. For example 10010457355.")
+  end
+
+  it "has the correct unanswered_error_message" do
+    expect(question.unanswered_error_message).to eq("UPRN must be 12 digits or less")
+  end
+
+  describe "get_extra_check_answer_value" do
+    context "when address is not present" do
+      let(:log) { create(:sales_log) }
+
+      it "returns nil" do
+        expect(question.get_extra_check_answer_value(log)).to be_nil
+      end
+    end
+
+    context "when address is present" do
+      let(:log) do
+        create(
+          :sales_log,
+          address_line1: "1, Test Street",
+          town_or_city: "Test Town",
+          county: "Test County",
+          postcode_full: "AA1 1AA",
+          la: "E09000003",
+        )
+      end
+
+      it "returns formatted value" do
+        expect(question.get_extra_check_answer_value(log)).to eq(
+          "\n\n1, Test Street\nTest Town\nTest County\nAA1 1AA\nWestminster",
+        )
+      end
+    end
+  end
+
+  describe "has the correct hidden_in_check_answers" do
+    context "when uprn_known == 1" do
+      let(:log) { create(:sales_log, uprn_known: 1) }
+
+      it "returns false" do
+        expect(question.hidden_in_check_answers?(log)).to eq(false)
+      end
+    end
+
+    context "when uprn_known != 1" do
+      let(:log) { create(:sales_log, uprn_known: 0) }
+
+      it "returns false" do
+        expect(question.hidden_in_check_answers?(log)).to eq(true)
+      end
+    end
+  end
+end

spec/models/form/sales/subsections/property_information_spec.rb

@@ -11,20 +11,51 @@ RSpec.describe Form::Sales::Subsections::PropertyInformation, type: :model do
     expect(property_information.section).to eq(section)
   end
 
-  it "has correct pages" do
+  describe "pages" do
-    expect(property_information.pages.map(&:id)).to eq(
+    let(:section) { instance_double(Form::Sales::Sections::Household, form: instance_double(Form, start_date:)) }
-      %w[
+
-        property_number_of_bedrooms
+    context "when 2022" do
-        about_price_bedrooms_value_check
+      let(:start_date) { Time.utc(2022, 2, 8) }
-        property_unit_type
+
-        monthly_charges_property_type_value_check
+      it "has correct pages" do
-        property_building_type
+        expect(property_information.pages.compact.map(&:id)).to eq(
-        property_postcode
+          %w[
-        property_local_authority
+            property_number_of_bedrooms
-        about_price_la_value_check
+            about_price_bedrooms_value_check
-        property_wheelchair_accessible
+            property_unit_type
-      ],
+            monthly_charges_property_type_value_check
-    )
+            property_building_type
+            property_postcode
+            property_local_authority
+            about_price_la_value_check
+            property_wheelchair_accessible
+          ],
+        )
+      end
+    end
+
+    context "when 2023" do
+      let(:start_date) { Time.utc(2023, 2, 8) }
+
+      it "has correct pages" do
+        expect(property_information.pages.map(&:id)).to eq(
+          %w[
+            uprn_known
+            uprn
+            uprn_confirmation
+            address
+            property_local_authority
+            property_number_of_bedrooms
+            about_price_bedrooms_value_check
+            property_unit_type
+            monthly_charges_property_type_value_check
+            property_building_type
+            about_price_la_value_check
+            property_wheelchair_accessible
+          ],
+        )
+      end
+    end
   end
 
   it "has the correct id" do

spec/models/lettings_log_spec.rb

@@ -2,8 +2,8 @@ require "rails_helper"
 require "shared/shared_examples_for_derived_fields"
 
 RSpec.describe LettingsLog do
-  let(:different_managing_organisation) { FactoryBot.create(:organisation) }
+  let(:different_managing_organisation) { create(:organisation) }
-  let(:created_by_user) { FactoryBot.create(:user) }
+  let(:created_by_user) { create(:user) }
   let(:owning_organisation) { created_by_user.organisation }
   let(:fake_2021_2022_form) { Form.new("spec/fixtures/forms/2021_2022.json") }
 
@@ -19,19 +19,19 @@ RSpec.describe LettingsLog do
   end
 
   it "is a not a sales log" do
-    lettings_log = FactoryBot.build(:lettings_log, created_by: created_by_user)
+    lettings_log = build(:lettings_log, created_by: created_by_user)
     expect(lettings_log.sales?).to be false
   end
 
   it "is a lettings log" do
-    lettings_log = FactoryBot.build(:lettings_log, created_by: created_by_user)
+    lettings_log = build(:lettings_log, created_by: created_by_user)
     expect(lettings_log).to be_lettings
   end
 
   describe "#form" do
-    let(:lettings_log) { FactoryBot.build(:lettings_log, created_by: created_by_user) }
+    let(:lettings_log) { build(:lettings_log, created_by: created_by_user) }
-    let(:lettings_log_2) { FactoryBot.build(:lettings_log, startdate: Time.zone.local(2022, 1, 1), created_by: created_by_user) }
+    let(:lettings_log_2) { build(:lettings_log, startdate: Time.zone.local(2022, 1, 1), created_by: created_by_user) }
-    let(:lettings_log_year_2) { FactoryBot.build(:lettings_log, startdate: Time.zone.local(2023, 5, 1), created_by: created_by_user) }
+    let(:lettings_log_year_2) { build(:lettings_log, startdate: Time.zone.local(2023, 5, 1), created_by: created_by_user) }
 
     it "has returns the correct form based on the start date" do
       expect(lettings_log.form_name).to be_nil
@@ -43,7 +43,7 @@ RSpec.describe LettingsLog do
     end
 
     context "when a date outside the collection window is passed" do
-      let(:lettings_log) { FactoryBot.build(:lettings_log, startdate: Time.zone.local(2015, 1, 1), created_by: created_by_user) }
+      let(:lettings_log) { build(:lettings_log, startdate: Time.zone.local(2015, 1, 1), created_by: created_by_user) }
 
       it "returns the first form" do
         expect(lettings_log.form).to be_a(Form)
@@ -70,7 +70,7 @@ RSpec.describe LettingsLog do
   end
 
   describe "#update" do
-    let(:lettings_log) { FactoryBot.create(:lettings_log, created_by: created_by_user) }
+    let(:lettings_log) { create(:lettings_log, created_by: created_by_user) }
     let(:validator) { lettings_log._validators[nil].first }
 
     after do
@@ -168,9 +168,9 @@ RSpec.describe LettingsLog do
   end
 
   describe "status" do
-    let!(:empty_lettings_log) { FactoryBot.create(:lettings_log) }
+    let!(:empty_lettings_log) { create(:lettings_log) }
-    let!(:in_progress_lettings_log) { FactoryBot.create(:lettings_log, :in_progress) }
+    let!(:in_progress_lettings_log) { create(:lettings_log, :in_progress) }
-    let!(:completed_lettings_log) { FactoryBot.create(:lettings_log, :completed) }
+    let!(:completed_lettings_log) { create(:lettings_log, :completed) }
 
     it "is set to not started for an empty lettings log" do
       expect(empty_lettings_log.not_started?).to be(true)
@@ -208,7 +208,7 @@ RSpec.describe LettingsLog do
 
   describe "weekly_net_income" do
     let(:net_income) { 5000 }
-    let(:lettings_log) { FactoryBot.build(:lettings_log, earnings: net_income) }
+    let(:lettings_log) { build(:lettings_log, earnings: net_income) }
 
     it "returns input income if frequency is already weekly" do
       lettings_log.incfreq = 1
@@ -1860,8 +1860,8 @@ RSpec.describe LettingsLog do
       end
 
       context "and a scheme with a single log is selected" do
-        let(:scheme) { FactoryBot.create(:scheme) }
+        let(:scheme) { create(:scheme) }
-        let!(:location) { FactoryBot.create(:location, scheme:) }
+        let!(:location) { create(:location, scheme:) }
 
         before { lettings_log.update!(startdate: Time.zone.local(2022, 4, 2), scheme:) }
 
@@ -1873,8 +1873,8 @@ RSpec.describe LettingsLog do
       end
 
       context "and not renewal" do
-        let(:scheme) { FactoryBot.create(:scheme) }
+        let(:scheme) { create(:scheme) }
-        let(:location) { FactoryBot.create(:location, scheme:, postcode: "M11AE", type_of_unit: 1, mobility_type: "W") }
+        let(:location) { create(:location, scheme:, postcode: "M11AE", type_of_unit: 1, mobility_type: "W") }
 
         let(:supported_housing_lettings_log) do
           described_class.create!({
@@ -1916,8 +1916,8 @@ RSpec.describe LettingsLog do
       end
 
       context "and renewal" do
-        let(:scheme) { FactoryBot.create(:scheme) }
+        let(:scheme) { create(:scheme) }
-        let(:location) { FactoryBot.create(:location, scheme:) }
+        let(:location) { create(:location, scheme:) }
 
         let!(:supported_housing_lettings_log) do
           described_class.create!({
@@ -2035,7 +2035,7 @@ RSpec.describe LettingsLog do
   end
 
   describe "optional fields" do
-    let(:lettings_log) { FactoryBot.create(:lettings_log) }
+    let(:lettings_log) { create(:lettings_log) }
 
     context "when tshortfall is marked as not known" do
       it "makes tshortfall optional" do
@@ -2043,13 +2043,42 @@ RSpec.describe LettingsLog do
         expect(lettings_log.optional_fields).to include("tshortfall")
       end
     end
+
+    context "when saledate is before 2023" do
+      let(:lettings_log) { build(:lettings_log, startdate: Time.zone.parse("2022-07-01")) }
+
+      it "returns optional fields" do
+        expect(lettings_log.optional_fields).to eq(%w[
+          first_time_property_let_as_social_housing
+          tenancycode
+          propcode
+          tenancylength
+        ])
+      end
+    end
+
+    context "when saledate is after 2023" do
+      let(:lettings_log) { build(:lettings_log, startdate: Time.zone.parse("2023-07-01")) }
+
+      it "returns optional fields" do
+        expect(lettings_log.optional_fields).to eq(%w[
+          first_time_property_let_as_social_housing
+          tenancycode
+          propcode
+          tenancylength
+          address_line2
+          county
+          postcode_full
+        ])
+      end
+    end
   end
 
   describe "resetting invalidated fields" do
-    let(:scheme) { FactoryBot.create(:scheme, owning_organisation: created_by_user.organisation) }
+    let(:scheme) { create(:scheme, owning_organisation: created_by_user.organisation) }
-    let(:location) { FactoryBot.create(:location, location_code: "E07000223", scheme:) }
+    let(:location) { create(:location, location_code: "E07000223", scheme:) }
     let(:lettings_log) do
-      FactoryBot.create(
+      create(
         :lettings_log,
         renewal: 0,
         rsnvac: 5,
@@ -2084,14 +2113,14 @@ RSpec.describe LettingsLog do
     end
 
     context "when a question that has already been answered, no longer has met dependencies" do
-      let(:lettings_log) { FactoryBot.create(:lettings_log, :in_progress, cbl: 1, preg_occ: 2, wchair: 2) }
+      let(:lettings_log) { create(:lettings_log, :in_progress, cbl: 1, preg_occ: 2, wchair: 2) }
 
       it "clears the answer" do
         expect { lettings_log.update!(preg_occ: nil) }.to change(lettings_log, :cbl).from(1).to(nil)
       end
 
       context "when the question type does not have answer options" do
-        let(:lettings_log) { FactoryBot.create(:lettings_log, :in_progress, housingneeds_a: 1, age1: 19) }
+        let(:lettings_log) { create(:lettings_log, :in_progress, housingneeds_a: 1, age1: 19) }
 
         it "clears the answer" do
           expect { lettings_log.update!(housingneeds_a: 0) }.to change(lettings_log, :age1).from(19).to(nil)
@@ -2099,7 +2128,7 @@ RSpec.describe LettingsLog do
       end
 
       context "when the question type has answer options" do
-        let(:lettings_log) { FactoryBot.create(:lettings_log, :in_progress, illness: 1, illness_type_1: 1) }
+        let(:lettings_log) { create(:lettings_log, :in_progress, illness: 1, illness_type_1: 1) }
 
         it "clears the answer" do
           expect { lettings_log.update!(illness: 2) }.to change(lettings_log, :illness_type_1).from(1).to(nil)
@@ -2108,7 +2137,7 @@ RSpec.describe LettingsLog do
     end
 
     context "with two pages having the same question key, only one's dependency is met" do
-      let(:lettings_log) { FactoryBot.create(:lettings_log, :in_progress, cbl: 0, preg_occ: 2, wchair: 2) }
+      let(:lettings_log) { create(:lettings_log, :in_progress, cbl: 0, preg_occ: 2, wchair: 2) }
 
       it "does not clear the value for answers that apply to both pages" do
         expect(lettings_log.cbl).to eq(0)
@@ -2123,7 +2152,7 @@ RSpec.describe LettingsLog do
     end
 
     context "when a non select question associated with several pages is routed to" do
-      let(:lettings_log) { FactoryBot.create(:lettings_log, :in_progress, period: 2, needstype: 1, renewal: 0) }
+      let(:lettings_log) { create(:lettings_log, :in_progress, period: 2, needstype: 1, renewal: 0) }
 
       it "does not clear the answer value" do
         lettings_log.update!({ unitletas: 1 })
@@ -2133,7 +2162,7 @@ RSpec.describe LettingsLog do
     end
 
     context "when the lettings log does not have a valid form set yet" do
-      let(:lettings_log) { FactoryBot.create(:lettings_log) }
+      let(:lettings_log) { create(:lettings_log) }
 
       it "does not throw an error" do
         expect { lettings_log.update(startdate: Time.zone.local(2015, 1, 1)) }.not_to raise_error
@@ -2141,7 +2170,7 @@ RSpec.describe LettingsLog do
     end
 
     context "when it changes from a renewal to not a renewal" do
-      let(:lettings_log) { FactoryBot.create(:lettings_log) }
+      let(:lettings_log) { create(:lettings_log) }
 
       it "resets inferred waityear value" do
         lettings_log.update!({ renewal: 1 })
@@ -2173,8 +2202,8 @@ RSpec.describe LettingsLog do
     end
 
     context "when it changes from a supported housing to not a supported housing" do
-      let(:location) { FactoryBot.create(:location, mobility_type: "A", postcode: "SW1P 4DG") }
+      let(:location) { create(:location, mobility_type: "A", postcode: "SW1P 4DG") }
-      let(:lettings_log) { FactoryBot.create(:lettings_log, location:) }
+      let(:lettings_log) { create(:lettings_log, location:) }
 
       it "resets inferred wchair value" do
         lettings_log.update!({ needstype: 2 })
@@ -2203,7 +2232,7 @@ RSpec.describe LettingsLog do
     end
 
     context "when it is not a renewal" do
-      let(:lettings_log) { FactoryBot.create(:lettings_log) }
+      let(:lettings_log) { create(:lettings_log) }
 
       it "saves waityear value" do
         lettings_log.update!({ renewal: 0, waityear: 2 })
@@ -2215,13 +2244,13 @@ RSpec.describe LettingsLog do
     end
 
     context "when a support user changes the owning organisation of the log" do
-      let(:lettings_log) { FactoryBot.create(:lettings_log, created_by: created_by_user) }
+      let(:lettings_log) { create(:lettings_log, created_by: created_by_user) }
-      let(:organisation_2) { FactoryBot.create(:organisation) }
+      let(:organisation_2) { create(:organisation) }
 
       context "when the organisation selected doesn't match the scheme set" do
-        let(:scheme) { FactoryBot.create(:scheme, owning_organisation: created_by_user.organisation) }
+        let(:scheme) { create(:scheme, owning_organisation: created_by_user.organisation) }
-        let(:location) { FactoryBot.create(:location, scheme:) }
+        let(:location) { create(:location, scheme:) }
-        let(:lettings_log) { FactoryBot.create(:lettings_log, owning_organisation: nil, needstype: 2, scheme_id: scheme.id) }
+        let(:lettings_log) { create(:lettings_log, owning_organisation: nil, needstype: 2, scheme_id: scheme.id) }
 
         it "clears the scheme value" do
           lettings_log.update!(owning_organisation: organisation_2)
@@ -2230,9 +2259,9 @@ RSpec.describe LettingsLog do
       end
 
       context "when the organisation selected still matches the scheme set" do
-        let(:scheme) { FactoryBot.create(:scheme, owning_organisation: organisation_2) }
+        let(:scheme) { create(:scheme, owning_organisation: organisation_2) }
-        let(:location) { FactoryBot.create(:location, scheme:) }
+        let(:location) { create(:location, scheme:) }
-        let(:lettings_log) { FactoryBot.create(:lettings_log, owning_organisation: nil, needstype: 2, scheme_id: scheme.id) }
+        let(:lettings_log) { create(:lettings_log, owning_organisation: nil, needstype: 2, scheme_id: scheme.id) }
 
         it "does not clear the scheme value" do
           lettings_log.update!(owning_organisation: organisation_2)
@@ -2319,7 +2348,7 @@ RSpec.describe LettingsLog do
 
   describe "tshortfall_unknown?" do
     context "when tshortfall is nil" do
-      let(:lettings_log) { FactoryBot.create(:lettings_log, :in_progress, tshortfall_known: nil) }
+      let(:lettings_log) { create(:lettings_log, :in_progress, tshortfall_known: nil) }
 
       it "returns false" do
         expect(lettings_log.tshortfall_unknown?).to be false
@@ -2327,7 +2356,7 @@ RSpec.describe LettingsLog do
     end
 
     context "when tshortfall is No" do
-      let(:lettings_log) { FactoryBot.create(:lettings_log, :in_progress, tshortfall_known: 1) }
+      let(:lettings_log) { create(:lettings_log, :in_progress, tshortfall_known: 1) }
 
       it "returns false" do
         expect(lettings_log.tshortfall_unknown?).to be true
@@ -2335,7 +2364,7 @@ RSpec.describe LettingsLog do
     end
 
     context "when tshortfall is Yes" do
-      let(:lettings_log) { FactoryBot.create(:lettings_log, :in_progress, tshortfall_known: 0) }
+      let(:lettings_log) { create(:lettings_log, :in_progress, tshortfall_known: 0) }
 
       it "returns false" do
         expect(lettings_log.tshortfall_unknown?).to be false
@@ -2344,7 +2373,7 @@ RSpec.describe LettingsLog do
   end
 
   describe "paper trail" do
-    let(:lettings_log) { FactoryBot.create(:lettings_log, :in_progress) }
+    let(:lettings_log) { create(:lettings_log, :in_progress) }
 
     it "creates a record of changes to a log" do
       expect { lettings_log.update!(age1: 64) }.to change(lettings_log.versions, :count).by(1)
@@ -2357,7 +2386,7 @@ RSpec.describe LettingsLog do
   end
 
   describe "soft values for period" do
-    let(:lettings_log) { FactoryBot.create(:lettings_log) }
+    let(:lettings_log) { create(:lettings_log) }
 
     before do
       LaRentRange.create!(
@@ -2404,12 +2433,12 @@ RSpec.describe LettingsLog do
   end
 
   describe "scopes" do
-    let!(:lettings_log_1) { FactoryBot.create(:lettings_log, :in_progress, startdate: Time.utc(2021, 5, 3), created_by: created_by_user) }
+    let!(:lettings_log_1) { create(:lettings_log, :in_progress, startdate: Time.utc(2021, 5, 3), created_by: created_by_user) }
-    let!(:lettings_log_2) { FactoryBot.create(:lettings_log, :completed, startdate: Time.utc(2021, 5, 3), created_by: created_by_user) }
+    let!(:lettings_log_2) { create(:lettings_log, :completed, startdate: Time.utc(2021, 5, 3), created_by: created_by_user) }
 
     before do
       Timecop.freeze(Time.utc(2022, 6, 3))
-      FactoryBot.create(:lettings_log, startdate: Time.utc(2022, 6, 3))
+      create(:lettings_log, startdate: Time.utc(2022, 6, 3))
     end
 
     after do
@@ -2417,10 +2446,10 @@ RSpec.describe LettingsLog do
     end
 
     context "when searching logs" do
-      let!(:lettings_log_to_search) { FactoryBot.create(:lettings_log, :completed) }
+      let!(:lettings_log_to_search) { create(:lettings_log, :completed) }
 
       before do
-        FactoryBot.create_list(:lettings_log, 5, :completed)
+        create_list(:lettings_log, 5, :completed)
       end
 
       describe "#filter_by_id" do
@@ -2475,7 +2504,7 @@ RSpec.describe LettingsLog do
         end
 
         context "when lettings log is supported housing" do
-          let(:location) { FactoryBot.create(:location, postcode: "W6 0ST") }
+          let(:location) { create(:location, postcode: "W6 0ST") }
 
           before do
             lettings_log_to_search.update!(needstype: 2, location:)
@@ -2515,7 +2544,7 @@ RSpec.describe LettingsLog do
         end
 
         context "when lettings log is supported housing" do
-          let(:location) { FactoryBot.create(:location, postcode: "W6 0ST") }
+          let(:location) { create(:location, postcode: "W6 0ST") }
 
           before do
             lettings_log_to_search.update!(needstype: 2, location:)
@@ -2573,15 +2602,15 @@ RSpec.describe LettingsLog do
     end
 
     context "when filtering by organisation" do
-      let(:organisation_1) { FactoryBot.create(:organisation) }
+      let(:organisation_1) { create(:organisation) }
-      let(:organisation_2) { FactoryBot.create(:organisation) }
+      let(:organisation_2) { create(:organisation) }
-      let(:organisation_3) { FactoryBot.create(:organisation) }
+      let(:organisation_3) { create(:organisation) }
 
       before do
-        FactoryBot.create(:lettings_log, :in_progress, owning_organisation: organisation_1, managing_organisation: organisation_1, created_by: nil)
+        create(:lettings_log, :in_progress, owning_organisation: organisation_1, managing_organisation: organisation_1, created_by: nil)
-        FactoryBot.create(:lettings_log, :completed, owning_organisation: organisation_1, managing_organisation: organisation_2, created_by: nil)
+        create(:lettings_log, :completed, owning_organisation: organisation_1, managing_organisation: organisation_2, created_by: nil)
-        FactoryBot.create(:lettings_log, :completed, owning_organisation: organisation_2, managing_organisation: organisation_1, created_by: nil)
+        create(:lettings_log, :completed, owning_organisation: organisation_2, managing_organisation: organisation_1, created_by: nil)
-        FactoryBot.create(:lettings_log, :completed, owning_organisation: organisation_2, managing_organisation: organisation_2, created_by: nil)
+        create(:lettings_log, :completed, owning_organisation: organisation_2, managing_organisation: organisation_2, created_by: nil)
       end
 
       it "filters by given organisation" do
@@ -2623,7 +2652,7 @@ RSpec.describe LettingsLog do
 
   describe "#retirement_age_for_person" do
     context "when a person gender is Male" do
-      let(:lettings_log) { FactoryBot.build(:lettings_log, sex1: "M") }
+      let(:lettings_log) { build(:lettings_log, sex1: "M") }
 
       it "returns the expected retirement age" do
         expect(lettings_log.retirement_age_for_person_1).to eq(67)
@@ -2635,7 +2664,7 @@ RSpec.describe LettingsLog do
     end
 
     context "when a person gender is Female" do
-      let(:lettings_log) { FactoryBot.build(:lettings_log, sex2: "F") }
+      let(:lettings_log) { build(:lettings_log, sex2: "F") }
 
       it "returns the expected retirement age" do
         expect(lettings_log.retirement_age_for_person_2).to eq(60)
@@ -2647,7 +2676,7 @@ RSpec.describe LettingsLog do
     end
 
     context "when a person gender is Non-Binary" do
-      let(:lettings_log) { FactoryBot.build(:lettings_log, sex3: "X") }
+      let(:lettings_log) { build(:lettings_log, sex3: "X") }
 
       it "returns the expected retirement age" do
         expect(lettings_log.retirement_age_for_person_3).to eq(67)
@@ -2659,7 +2688,7 @@ RSpec.describe LettingsLog do
     end
 
     context "when the person gender is not set" do
-      let(:lettings_log) { FactoryBot.build(:lettings_log) }
+      let(:lettings_log) { build(:lettings_log) }
 
       it "returns nil" do
         expect(lettings_log.retirement_age_for_person_3).to be_nil
@@ -2671,7 +2700,7 @@ RSpec.describe LettingsLog do
     end
 
     context "when a postcode contains unicode characters" do
-      let(:lettings_log) { FactoryBot.build(:lettings_log, postcode_full: "SR81LS\u00A0") }
+      let(:lettings_log) { build(:lettings_log, postcode_full: "SR81LS\u00A0") }
 
       it "triggers a validation error" do
         expect { lettings_log.save! }.to raise_error(ActiveRecord::RecordInvalid, /Enter a postcode in the correct format/)
@@ -2680,9 +2709,9 @@ RSpec.describe LettingsLog do
   end
 
   describe "csv download" do
-    let(:scheme) { FactoryBot.create(:scheme) }
+    let(:scheme) { create(:scheme) }
-    let(:location) { FactoryBot.create(:location, :export, scheme:, type_of_unit: 6, postcode: "SE11TE", startdate: Time.zone.local(2021, 10, 1)) }
+    let(:location) { create(:location, :export, scheme:, type_of_unit: 6, postcode: "SE11TE", startdate: Time.zone.local(2021, 10, 1)) }
-    let(:user) { FactoryBot.create(:user, organisation: location.scheme.owning_organisation) }
+    let(:user) { create(:user, organisation: location.scheme.owning_organisation) }
     let(:expected_content) { csv_export_file.read }
 
     after do

spec/models/sales_log_spec.rb

@@ -1,6 +1,7 @@
 require "rails_helper"
 require "shared/shared_examples_for_derived_fields"
 
+# rubocop:disable RSpec/AnyInstance
 RSpec.describe SalesLog, type: :model do
   let(:owning_organisation) { create(:organisation) }
   let(:created_by_user) { create(:user) }
@@ -36,7 +37,7 @@ RSpec.describe SalesLog, type: :model do
   end
 
   describe "#update" do
-    let(:sales_log) { FactoryBot.create(:sales_log, created_by: created_by_user) }
+    let(:sales_log) { create(:sales_log, created_by: created_by_user) }
     let(:validator) { sales_log._validators[nil].first }
 
     after do
@@ -49,10 +50,34 @@ RSpec.describe SalesLog, type: :model do
   end
 
   describe "#optional_fields" do
-    let(:sales_log) { build(:sales_log) }
+    context "when saledate is before 2023" do
+      let(:sales_log) { build(:sales_log, saledate: Time.zone.parse("2022-07-01")) }
+
+      it "returns optional fields" do
+        expect(sales_log.optional_fields).to eq(%w[
+          saledate_check
+          purchid
+          monthly_charges_value_check
+          old_persons_shared_ownership_value_check
+          proplen
+        ])
+      end
+    end
+
+    context "when saledate is after 2023" do
+      let(:sales_log) { build(:sales_log, saledate: Time.zone.parse("2023-07-01")) }
 
-    it "returns optional fields" do
+      it "returns optional fields" do
-      expect(sales_log.optional_fields).to eq(%w[saledate_check purchid monthly_charges_value_check old_persons_shared_ownership_value_check])
+        expect(sales_log.optional_fields).to eq(%w[
+          saledate_check
+          purchid
+          monthly_charges_value_check
+          old_persons_shared_ownership_value_check
+          address_line2
+          county
+          postcode_full
+        ])
+      end
     end
   end
 
@@ -135,7 +160,7 @@ RSpec.describe SalesLog, type: :model do
   end
 
   describe "derived variables" do
-    let(:sales_log) { FactoryBot.create(:sales_log, :completed) }
+    let(:sales_log) { create(:sales_log, :completed) }
 
     it "correctly derives and saves exday, exmonth and exyear" do
       sales_log.update!(exdate: Time.gm(2022, 5, 4), saledate: Time.gm(2022, 7, 4), ownershipsch: 1, staircase: 2, resale: 2)
@@ -192,7 +217,7 @@ RSpec.describe SalesLog, type: :model do
     end
 
     let!(:address_sales_log) do
-      FactoryBot.create(
+      create(
         :sales_log,
         :completed,
         owning_organisation:,
@@ -336,7 +361,7 @@ RSpec.describe SalesLog, type: :model do
 
   context "when deriving household variables" do
     let!(:sales_log) do
-      FactoryBot.create(
+      create(
         :sales_log,
         :completed,
         jointpur: 1,
@@ -463,7 +488,7 @@ RSpec.describe SalesLog, type: :model do
   end
 
   describe "#field_formatted_as_currency" do
-    let(:completed_sales_log) { FactoryBot.create(:sales_log, :completed) }
+    let(:completed_sales_log) { create(:sales_log, :completed) }
 
     it "returns small numbers correctly formatted as currency" do
       completed_sales_log.update!(savings: 4)
@@ -483,4 +508,52 @@ RSpec.describe SalesLog, type: :model do
       expect(completed_sales_log.field_formatted_as_currency("savings")).to eq("£400,000,000.00")
     end
   end
+
+  describe "#process_uprn_change!" do
+    context "when UPRN set to a value" do
+      let(:sales_log) { create(:sales_log, uprn: "123456789", uprn_confirmed: 1) }
+
+      it "updates sales log fields" do
+        sales_log.uprn = "1111111"
+
+        allow_any_instance_of(UprnClient).to receive(:call)
+        allow_any_instance_of(UprnClient).to receive(:result).and_return({
+          "UPRN" => "UPRN",
+          "UDPRN" => "UDPRN",
+          "ADDRESS" => "full address",
+          "SUB_BUILDING_NAME" => "0",
+          "BUILDING_NAME" => "building name",
+          "THOROUGHFARE_NAME" => "thoroughfare",
+          "POST_TOWN" => "posttown",
+          "POSTCODE" => "postcode",
+        })
+
+        expect { sales_log.process_uprn_change! }.to change(sales_log, :address_line1).from(nil).to("0, Building Name, Thoroughfare")
+        .and change(sales_log, :town_or_city).from(nil).to("Posttown")
+        .and change(sales_log, :postcode_full).from(nil).to("POSTCODE")
+        .and change(sales_log, :uprn_confirmed).from(1).to(nil)
+      end
+    end
+
+    context "when UPRN nil" do
+      let(:sales_log) { create(:sales_log, uprn: nil) }
+
+      it "does not update sales log" do
+        expect { sales_log.process_uprn_change! }.not_to change(sales_log, :attributes)
+      end
+    end
+
+    context "when service errors" do
+      let(:sales_log) { create(:sales_log, uprn: "123456789", uprn_confirmed: 1) }
+      let(:error_message) { "error" }
+
+      it "adds error to sales log" do
+        allow_any_instance_of(UprnClient).to receive(:call)
+        allow_any_instance_of(UprnClient).to receive(:error).and_return(error_message)
+
+        expect { sales_log.process_uprn_change! }.to change { sales_log.errors[:uprn] }.from([]).to([error_message])
+      end
+    end
+  end
 end
+# rubocop:enable RSpec/AnyInstance

spec/models/validations/property_validations_spec.rb

@@ -290,4 +290,33 @@ RSpec.describe Validations::PropertyValidations do
       end
     end
   end
+
+  describe "#validate_uprn" do
+    context "when within length limit but alphanumeric" do
+      let(:record) { build(:sales_log, uprn: "123abc") }
+
+      it "adds an error" do
+        property_validator.validate_uprn(record)
+        expect(record.errors.added?(:uprn, "UPRN must be 12 digits or less")).to be true
+      end
+    end
+
+    context "when over the length limit" do
+      let(:record) { build(:sales_log, uprn: "1234567890123") }
+
+      it "adds an error" do
+        property_validator.validate_uprn(record)
+        expect(record.errors.added?(:uprn, "UPRN must be 12 digits or less")).to be true
+      end
+    end
+
+    context "when within the limit and only numeric" do
+      let(:record) { build(:sales_log, uprn: "123456789012") }
+
+      it "does not add an error" do
+        property_validator.validate_uprn(record)
+        expect(record.errors).not_to be_present
+      end
+    end
+  end
 end

spec/models/validations/sales/property_validations_spec.rb

@@ -7,7 +7,7 @@ RSpec.describe Validations::Sales::PropertyValidations do
 
   describe "#validate_postcodes_match_if_discounted_ownership" do
     context "when ownership scheme is not discounted ownership" do
-      let(:record) { FactoryBot.build(:sales_log, ownershipsch: 1) }
+      let(:record) { build(:sales_log, ownershipsch: 1) }
 
       it "when postcodes match no error is added" do
         record.postcode_full = "SW1A 1AA"
@@ -19,7 +19,7 @@ RSpec.describe Validations::Sales::PropertyValidations do
     end
 
     context "when ownership scheme is discounted ownership" do
-      let(:record) { FactoryBot.build(:sales_log, ownershipsch: 2) }
+      let(:record) { build(:sales_log, ownershipsch: 2) }
 
       it "when ppostcode_full is not present no error is added" do
         record.postcode_full = "SW1A 1AA"
@@ -51,7 +51,7 @@ RSpec.describe Validations::Sales::PropertyValidations do
 
   describe "#validate_property_unit_type" do
     context "when number of bedrooms is 1" do
-      let(:record) { FactoryBot.build(:sales_log, beds: 1, proptype: 2) }
+      let(:record) { build(:sales_log, beds: 1, proptype: 2) }
 
       it "does not add an error if it's a bedsit" do
         property_validator.validate_bedsit_number_of_beds(record)
@@ -60,7 +60,7 @@ RSpec.describe Validations::Sales::PropertyValidations do
     end
 
     context "when number of bedrooms is > 1" do
-      let(:record) { FactoryBot.build(:sales_log, beds: 2, proptype: 2) }
+      let(:record) { build(:sales_log, beds: 2, proptype: 2) }
 
       it "does add an error if it's a bedsit" do
         property_validator.validate_bedsit_number_of_beds(record)
@@ -76,7 +76,7 @@ RSpec.describe Validations::Sales::PropertyValidations do
     end
 
     context "when number of bedrooms is undefined" do
-      let(:record) { FactoryBot.build(:sales_log, beds: nil, proptype: 2) }
+      let(:record) { build(:sales_log, beds: nil, proptype: 2) }
 
       it "does not add an error if it's a bedsit" do
         property_validator.validate_bedsit_number_of_beds(record)
@@ -84,4 +84,33 @@ RSpec.describe Validations::Sales::PropertyValidations do
       end
     end
   end
+
+  describe "#validate_uprn" do
+    context "when within length limit but alphanumeric" do
+      let(:record) { build(:sales_log, uprn: "123abc") }
+
+      it "adds an error" do
+        property_validator.validate_uprn(record)
+        expect(record.errors.added?(:uprn, "UPRN must be 12 digits or less")).to be true
+      end
+    end
+
+    context "when over the length limit" do
+      let(:record) { build(:sales_log, uprn: "1234567890123") }
+
+      it "adds an error" do
+        property_validator.validate_uprn(record)
+        expect(record.errors.added?(:uprn, "UPRN must be 12 digits or less")).to be true
+      end
+    end
+
+    context "when within the limit and only numeric" do
+      let(:record) { build(:sales_log, uprn: "123456789012") }
+
+      it "does not add an error" do
+        property_validator.validate_uprn(record)
+        expect(record.errors).not_to be_present
+      end
+    end
+  end
 end

spec/services/csv/lettings_log_csv_service_spec.rb

@@ -201,6 +201,13 @@ RSpec.describe Csv::LettingsLogCsvService do
                                    vacdays
                                    unresolved
                                    updated_by_id
+                                   uprn
+                                   uprn_known
+                                   uprn_confirmed
+                                   address_line1
+                                   address_line2
+                                   town_or_city
+                                   county
                                    unittype_sh
                                    scheme_code
                                    scheme_service_name
@@ -222,7 +229,9 @@ RSpec.describe Csv::LettingsLogCsvService do
                                    location_mobility_type
                                    location_admin_district
                                    location_startdate]
+
       csv = CSV.parse(described_class.new(user, export_type: "labels").to_csv)
+
       expect(csv.first).to eq(expected_csv_attributes)
     end
   end

spec/services/uprn_client_spec.rb

@@ -0,0 +1,68 @@
+require "rails_helper"
+
+describe UprnClient do
+  let(:client) { described_class.new("123") }
+
+  let(:valid_response) do
+    { results: [{ DPA: { postcode: "12345" } }] }.to_json
+  end
+
+  def stub_api_request(body:, status: 200)
+    stub_request(:get, "https://api.os.uk/search/places/v1/uprn?key=OS_DATA_KEY&uprn=123")
+    .to_return(status:, body:, headers: {})
+  end
+
+  describe "call" do
+    context "when json parse error" do
+      before do
+        stub_api_request(body: "{", status: 200)
+
+        client.call
+      end
+
+      it "returns error" do
+        expect(client.error).to eq("UPRN is not recognised. Check the number, or enter the address")
+      end
+    end
+
+    context "when http error" do
+      before do
+        stub_api_request(body: valid_response, status: 500)
+
+        client.call
+      end
+
+      it "returns error" do
+        expect(client.error).to eq("UPRN is not recognised. Check the number, or enter the address")
+      end
+    end
+
+    context "when results empty" do
+      before do
+        stub_api_request(body: {}.to_json)
+
+        client.call
+      end
+
+      it "returns error" do
+        expect(client.error).to eq("UPRN is not recognised. Check the number, or enter the address")
+      end
+    end
+
+    context "with results" do
+      before do
+        stub_api_request(body: valid_response)
+
+        client.call
+      end
+
+      it "returns result" do
+        expect(client.result).to eq({ "postcode" => "12345" })
+      end
+
+      it "returns no error" do
+        expect(client.error).to be_nil
+      end
+    end
+  end
+end

spec/services/uprn_data_presenter_spec.rb

@@ -0,0 +1,66 @@
+require "rails_helper"
+
+describe UprnDataPresenter do
+  let(:data) do
+    JSON.parse(
+      '{
+        "UPRN": "UPRN",
+        "UDPRN": "UDPRN",
+        "ADDRESS": "full address",
+        "SUB_BUILDING_NAME": "0",
+        "BUILDING_NAME": "building name",
+        "THOROUGHFARE_NAME": "thoroughfare",
+        "POST_TOWN": "posttown",
+        "POSTCODE": "postcode",
+        "STATUS": "APPROVED",
+        "DOUBLE_DEPENDENT_LOCALITY": "double dependent locality",
+        "DEPENDENT_LOCALITY": "dependent locality",
+        "CLASSIFICATION_CODE": "classification code",
+        "LOCAL_CUSTODIAN_CODE_DESCRIPTION": "LONDON BOROUGH OF HARINGEY",
+        "BLPU_STATE_CODE": "2",
+        "BLPU_STATE_CODE_DESCRIPTION": "In use",
+        "LAST_UPDATE_DATE": "31/07/2020",
+        "ENTRY_DATE": "30/01/2015",
+        "BLPU_STATE_DATE": "30/01/2015",
+        "LANGUAGE": "EN",
+        "MATCH_DESCRIPTION": "EXACT"
+      }',
+    )
+  end
+
+  let(:presenter) { described_class.new(data) }
+
+  describe "#postcode" do
+    it "returns postcode" do
+      expect(presenter.postcode).to eq("postcode")
+    end
+  end
+
+  describe "#address_line1" do
+    it "returns address_line1" do
+      expect(presenter.address_line1).to eq("0, Building Name, Thoroughfare")
+    end
+  end
+
+  describe "#address_line2" do
+    it "returns address_line2" do
+      expect(presenter.address_line2).to eq("Double Dependent Locality, Dependent Locality")
+    end
+  end
+
+  describe "#town_or_city" do
+    it "returns town_or_city" do
+      expect(presenter.town_or_city).to eq("Posttown")
+    end
+  end
+
+  context "when address_line2 fields are missing" do
+    let(:data) { {} }
+
+    describe "#address_line2" do
+      it "returns nil" do
+        expect(presenter.address_line2).to be_nil
+      end
+    end
+  end
+end