diff --git a/app/models/derived_variables/sales_log_variables.rb b/app/models/derived_variables/sales_log_variables.rb
index f662ab3df..ec8d21b30 100644
--- a/app/models/derived_variables/sales_log_variables.rb
+++ b/app/models/derived_variables/sales_log_variables.rb
@@ -17,6 +17,15 @@ module DerivedVariables::SalesLogVariables
       self.hoyear = hodate.year
     end
     self.deposit = value if outright_sale? && mortgage_not_used?
+
+    if saledate && form.start_year_after_2024? && discounted_ownership_sale?
+      self.ppostcode_full = postcode_full
+      self.ppcodenk = 0 if postcode_full.present?
+      self.prevloc = la
+      self.is_previous_la_inferred = is_la_inferred
+      self.previous_la_known = la_known
+    end
+
     self.pcode1, self.pcode2 = postcode_full.split if postcode_full.present?
     self.ppostc1, self.ppostc2 = ppostcode_full.split if ppostcode_full.present?
     self.totchild = total_child
diff --git a/app/models/form/sales/pages/last_accommodation.rb b/app/models/form/sales/pages/last_accommodation.rb
index 373a20511..2d3448399 100644
--- a/app/models/form/sales/pages/last_accommodation.rb
+++ b/app/models/form/sales/pages/last_accommodation.rb
@@ -10,4 +10,10 @@ class Form::Sales::Pages::LastAccommodation < ::Form::Page
       Form::Sales::Questions::PreviousPostcode.new(nil, nil, self),
     ]
   end
+
+  def routed_to?(log, _user)
+    return false if log.form.start_year_after_2024? && log.discounted_ownership_sale?
+
+    super
+  end
 end
diff --git a/app/models/form/sales/pages/last_accommodation_la.rb b/app/models/form/sales/pages/last_accommodation_la.rb
index 6e4211e12..615a30196 100644
--- a/app/models/form/sales/pages/last_accommodation_la.rb
+++ b/app/models/form/sales/pages/last_accommodation_la.rb
@@ -13,4 +13,10 @@ class Form::Sales::Pages::LastAccommodationLa < ::Form::Page
       Form::Sales::Questions::Prevloc.new(nil, nil, self),
     ]
   end
+
+  def routed_to?(log, _user)
+    return false if log.form.start_year_after_2024? && log.discounted_ownership_sale?
+
+    super
+  end
 end
diff --git a/app/models/validations/sales/household_validations.rb b/app/models/validations/sales/household_validations.rb
index 6e10b89b5..c23a72609 100644
--- a/app/models/validations/sales/household_validations.rb
+++ b/app/models/validations/sales/household_validations.rb
@@ -11,15 +11,6 @@ module Validations::Sales::HouseholdValidations
     shared_validate_partner_count(record, 6)
   end
 
-  def validate_previous_postcode(record)
-    return unless record.postcode_full && record.ppostcode_full && record.discounted_ownership_sale?
-
-    unless record.postcode_full == record.ppostcode_full
-      record.errors.add :postcode_full, :postcodes_not_matching, message: I18n.t("validations.household.postcode.discounted_ownership")
-      record.errors.add :ppostcode_full, :postcodes_not_matching, message: I18n.t("validations.household.postcode.discounted_ownership")
-    end
-  end
-
   def validate_buyers_living_in_property(record)
     return unless record.form.start_date.year >= 2023
 
diff --git a/app/models/validations/sales/property_validations.rb b/app/models/validations/sales/property_validations.rb
index 3a8f6a463..fc8e4759b 100644
--- a/app/models/validations/sales/property_validations.rb
+++ b/app/models/validations/sales/property_validations.rb
@@ -1,5 +1,6 @@
 module Validations::Sales::PropertyValidations
   def validate_postcodes_match_if_discounted_ownership(record)
+    return unless record.saledate && !record.form.start_year_after_2024?
     return unless record.ppostcode_full.present? && record.postcode_full.present?
 
     if record.discounted_ownership_sale? && record.ppostcode_full != record.postcode_full
diff --git a/spec/models/form/sales/pages/last_accommodation_la_spec.rb b/spec/models/form/sales/pages/last_accommodation_la_spec.rb
index 20daf0525..54df5a365 100644
--- a/spec/models/form/sales/pages/last_accommodation_la_spec.rb
+++ b/spec/models/form/sales/pages/last_accommodation_la_spec.rb
@@ -5,8 +5,22 @@ RSpec.describe Form::Sales::Pages::LastAccommodationLa, type: :model do
 
   let(:page_id) { nil }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date:)) }
+  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, depends_on_met: true)) }
   let(:start_date) { Time.utc(2022, 4, 1) }
+  let(:log) { create(:sales_log, :completed, saledate: now) }
+  let(:now) { Time.zone.local(2023, 4, 4) }
+
+  before do
+    Timecop.freeze(now)
+    Singleton.__init__(FormHandler)
+    allow(subsection).to receive(:depends_on).and_return(nil)
+    allow(subsection).to receive(:enabled?).and_return(true)
+  end
+
+  after do
+    Timecop.return
+    Singleton.__init__(FormHandler)
+  end
 
   it "has correct subsection" do
     expect(page.subsection).to eq(subsection)
@@ -33,4 +47,23 @@ RSpec.describe Form::Sales::Pages::LastAccommodationLa, type: :model do
       "is_previous_la_inferred" => false,
     }])
   end
+
+  it "is routed to" do
+    log.ownershipsch = 2
+    expect(page).to be_routed_to(log, nil)
+  end
+
+  context "with 2024 form" do
+    let(:now) { Time.zone.local(2024, 4, 4) }
+
+    it "is routed to for 2024 non discounted sale logs" do
+      log.update!(ownershipsch: 1)
+      expect(page).to be_routed_to(log, nil)
+    end
+
+    it "is not routed to for 2024 discounted sale logs" do
+      log.update!(ownershipsch: 2)
+      expect(page).not_to be_routed_to(log, nil)
+    end
+  end
 end
diff --git a/spec/models/form/sales/pages/last_accommodation_spec.rb b/spec/models/form/sales/pages/last_accommodation_spec.rb
index 753aa7dc8..a972d96c5 100644
--- a/spec/models/form/sales/pages/last_accommodation_spec.rb
+++ b/spec/models/form/sales/pages/last_accommodation_spec.rb
@@ -3,10 +3,24 @@ require "rails_helper"
 RSpec.describe Form::Sales::Pages::LastAccommodation, type: :model do
   subject(:page) { described_class.new(page_id, page_definition, subsection) }
 
+  let(:log) { create(:sales_log, :completed, saledate: now) }
+  let(:now) { Time.zone.local(2023, 4, 4) }
+
   let(:page_id) { nil }
   let(:page_definition) { nil }
   let(:subsection) { instance_double(Form::Subsection) }
 
+  before do
+    Timecop.freeze(now)
+    Singleton.__init__(FormHandler)
+    allow(subsection).to receive(:depends_on).and_return(nil)
+  end
+
+  after do
+    Timecop.return
+    Singleton.__init__(FormHandler)
+  end
+
   it "has correct subsection" do
     expect(page.subsection).to eq(subsection)
   end
@@ -30,4 +44,23 @@ RSpec.describe Form::Sales::Pages::LastAccommodation, type: :model do
   it "has correct depends_on" do
     expect(page.depends_on).to be_nil
   end
+
+  it "is routed to" do
+    log.ownershipsch = 2
+    expect(page).to be_routed_to(log, nil)
+  end
+
+  context "with 2024 form" do
+    let(:now) { Time.zone.local(2024, 4, 4) }
+
+    it "is routed to for 2024 non discounted sale logs" do
+      log.update!(ownershipsch: 1)
+      expect(page).to be_routed_to(log, nil)
+    end
+
+    it "is not routed to for 2024 discounted sale logs" do
+      log.update!(ownershipsch: 2)
+      expect(page).not_to be_routed_to(log, nil)
+    end
+  end
 end
diff --git a/spec/models/sales_log_spec.rb b/spec/models/sales_log_spec.rb
index 42aa64fec..00792b0bd 100644
--- a/spec/models/sales_log_spec.rb
+++ b/spec/models/sales_log_spec.rb
@@ -657,7 +657,7 @@ RSpec.describe SalesLog, type: :model do
       end
 
       before do
-        WebMock.stub_request(:get, /api.postcodes.io\/postcodes\/CA101AA/)
+        WebMock.stub_request(:get, /api\.postcodes\.io\/postcodes\/CA101AA/)
                .to_return(status: 200, body: '{"status":200,"result":{"admin_district":"Cumberland","codes":{"admin_district":"E06000064"}}}', headers: {})
 
         Timecop.freeze(2023, 5, 1)
@@ -687,7 +687,7 @@ RSpec.describe SalesLog, type: :model do
       end
 
       before do
-        WebMock.stub_request(:get, /api.postcodes.io\/postcodes\/CA101AA/)
+        WebMock.stub_request(:get, /api\.postcodes\.io\/postcodes\/CA101AA/)
         .to_return(status: 200, body: '{"status":200,"result":{"admin_district":"Eden","codes":{"admin_district":"E07000030"}}}', headers: {})
 
         Timecop.freeze(2023, 5, 2)
@@ -703,6 +703,56 @@ RSpec.describe SalesLog, type: :model do
         expect(address_sales_log_23_24.la).to eq("E06000064")
         expect(record_from_db["la"]).to eq("E06000064")
       end
+
+      it "does not set previous postcode or previous la for discounted sale" do
+        address_sales_log_23_24.update!(ownershipsch: 2, ppostcode_full: nil, prevloc: nil)
+        record_from_db = described_class.find(address_sales_log_23_24.id)
+        expect(address_sales_log_23_24.ppostcode_full).to eq(nil)
+        expect(record_from_db["ppostcode_full"]).to eq(nil)
+        expect(record_from_db["prevloc"]).to eq(nil)
+      end
+    end
+
+    context "with 24/25 logs" do
+      let(:address_sales_log_24_25) do
+        described_class.create({
+          owning_organisation:,
+          created_by: created_by_user,
+          ppcodenk: 1,
+          postcode_full: "CA10 1AA",
+          ppostcode_full: nil,
+          prevloc: nil,
+          saledate: Time.zone.local(2024, 5, 2),
+        })
+      end
+
+      before do
+        WebMock.stub_request(:get, /api\.postcodes\.io\/postcodes\/CA101AA/)
+        .to_return(status: 200, body: '{"status":200,"result":{"admin_district":"Eden","codes":{"admin_district":"E07000030"}}}', headers: {})
+
+        Timecop.freeze(2024, 5, 2)
+        Singleton.__init__(FormHandler)
+      end
+
+      after do
+        Timecop.unfreeze
+      end
+
+      it "sets previous postcode for discounted sale" do
+        address_sales_log_24_25.update!(ownershipsch: 2, ppostcode_full: nil)
+        record_from_db = described_class.find(address_sales_log_24_25.id)
+        expect(address_sales_log_24_25.ppostcode_full).to eq("CA10 1AA")
+        expect(record_from_db["ppostcode_full"]).to eq("CA10 1AA")
+        expect(record_from_db["prevloc"]).to eq("E06000064")
+      end
+
+      it "does not set previous postcode for non discounted sale" do
+        address_sales_log_24_25.update!(ownershipsch: 1, ppostcode_full: nil)
+        record_from_db = described_class.find(address_sales_log_24_25.id)
+        expect(address_sales_log_24_25.ppostcode_full).to eq(nil)
+        expect(record_from_db["ppostcode_full"]).to eq(nil)
+        expect(record_from_db["prevloc"]).to eq(nil)
+      end
     end
 
     it "errors if the property postcode is emptied" do
diff --git a/spec/models/validations/sales/household_validations_spec.rb b/spec/models/validations/sales/household_validations_spec.rb
index 898a47fcc..deddfa8ef 100644
--- a/spec/models/validations/sales/household_validations_spec.rb
+++ b/spec/models/validations/sales/household_validations_spec.rb
@@ -154,64 +154,6 @@ RSpec.describe Validations::Sales::HouseholdValidations do
     end
   end
 
-  describe "previous postcode validations" do
-    let(:record) { build(:sales_log) }
-
-    context "with a discounted sale" do
-      before do
-        record.ownershipsch = 2
-      end
-
-      it "adds an error when previous and current postcodes are not the same" do
-        record.postcode_full = "SO32 3PT"
-        record.ppostcode_full = "DN6 7FB"
-        household_validator.validate_previous_postcode(record)
-        expect(record.errors["postcode_full"])
-          .to include(match I18n.t("validations.household.postcode.discounted_ownership"))
-        expect(record.errors["ppostcode_full"])
-          .to include(match I18n.t("validations.household.postcode.discounted_ownership"))
-      end
-
-      it "allows same postcodes" do
-        record.postcode_full = "SO32 3PT"
-        record.ppostcode_full = "SO32 3PT"
-        household_validator.validate_previous_postcode(record)
-        expect(record.errors["postcode_full"]).to be_empty
-        expect(record.errors["ppostcode_full"]).to be_empty
-      end
-
-      it "does not add an error when postcode is missing" do
-        record.postcode_full = nil
-        record.ppostcode_full = "SO32 3PT"
-        household_validator.validate_previous_postcode(record)
-        expect(record.errors["postcode_full"]).to be_empty
-        expect(record.errors["ppostcode_full"]).to be_empty
-      end
-
-      it "does not add an error when previous postcode is missing" do
-        record.postcode_full = "SO32 3PT"
-        record.ppostcode_full = nil
-        household_validator.validate_previous_postcode(record)
-        expect(record.errors["postcode_full"]).to be_empty
-        expect(record.errors["ppostcode_full"]).to be_empty
-      end
-    end
-
-    context "without a discounted sale" do
-      before do
-        record.ownershipsch = 1
-      end
-
-      it "allows different postcodes" do
-        record.postcode_full = "SO32 3PT"
-        record.ppostcode_full = "DN6 7FB"
-        household_validator.validate_previous_postcode(record)
-        expect(record.errors["postcode_full"]).to be_empty
-        expect(record.errors["ppostcode_full"]).to be_empty
-      end
-    end
-  end
-
   describe "validating fields about buyers living in the property" do
     let(:sales_log) { FactoryBot.create(:sales_log, :outright_sale_setup_complete, noint: 1, companybuy: 2, buylivein:, jointpur:, jointmore:, buy1livein:) }
 
diff --git a/spec/models/validations/sales/property_validations_spec.rb b/spec/models/validations/sales/property_validations_spec.rb
index 0152428d8..f84f65966 100644
--- a/spec/models/validations/sales/property_validations_spec.rb
+++ b/spec/models/validations/sales/property_validations_spec.rb
@@ -19,7 +19,7 @@ RSpec.describe Validations::Sales::PropertyValidations do
     end
 
     context "when ownership scheme is discounted ownership" do
-      let(:record) { build(:sales_log, ownershipsch: 2) }
+      let(:record) { build(:sales_log, ownershipsch: 2, saledate: Time.zone.local(2023, 4, 5)) }
 
       it "when ppostcode_full is not present no error is added" do
         record.postcode_full = "SW1A 1AA"
@@ -54,6 +54,16 @@ RSpec.describe Validations::Sales::PropertyValidations do
         expect(record.errors["ppostcode_full"]).to include(match I18n.t("validations.property.postcode.must_match_previous"))
         expect(record.errors["ownershipsch"]).to include(match I18n.t("validations.property.postcode.must_match_previous"))
       end
+
+      it "does not add error for 2024 log" do
+        record.postcode_full = "SW1A 1AA"
+        record.ppostcode_full = "SW1A 0AA"
+        record.saledate = Time.zone.local(2024, 4, 5)
+        property_validator.validate_postcodes_match_if_discounted_ownership(record)
+        expect(record.errors["postcode_full"]).to be_empty
+        expect(record.errors["ppostcode_full"]).to be_empty
+        expect(record.errors["ownershipsch"]).to be_empty
+      end
     end
   end