diff --git a/app/controllers/lettings_logs_controller.rb b/app/controllers/lettings_logs_controller.rb
index eaec5a604..4b2965aee 100644
--- a/app/controllers/lettings_logs_controller.rb
+++ b/app/controllers/lettings_logs_controller.rb
@@ -13,6 +13,7 @@ class LettingsLogsController < LogsController
         @pagy, @logs = pagy(unpaginated_filtered_logs)
         @searched = search_term.presence
         @total_count = all_logs.size
+        @logs_to_update = LettingsLog.where(created_by: current_user, impacted_by_scheme_deactivation: true).count
         render "logs/index"
       end
     end
diff --git a/app/controllers/schemes_controller.rb b/app/controllers/schemes_controller.rb
index 415db5c7a..f38119e79 100644
--- a/app/controllers/schemes_controller.rb
+++ b/app/controllers/schemes_controller.rb
@@ -344,6 +344,7 @@ private
   end
 
   def reset_location_and_scheme_for_logs!
-    @scheme.lettings_logs.filter_by_before_startdate(params[:deactivation_date].to_time).update!(location: nil, scheme: nil)
+    @scheme.lettings_logs.filter_by_before_startdate(params[:deactivation_date].to_time).update!(location: nil, scheme: nil, impacted_by_scheme_deactivation: true)
+    # TODO: E-mail users
   end
 end
diff --git a/app/controllers/update_logs_controller.rb b/app/controllers/update_logs_controller.rb
new file mode 100644
index 000000000..9de4a250c
--- /dev/null
+++ b/app/controllers/update_logs_controller.rb
@@ -0,0 +1,8 @@
+class UpdateLogsController < ApplicationController
+  before_action :authenticate_user!
+
+  def show
+    @logs = LettingsLog.where(created_by: current_user, impacted_by_scheme_deactivation: true)
+    render "logs/update_logs"
+  end
+end
diff --git a/app/views/logs/index.html.erb b/app/views/logs/index.html.erb
index 431ca0f45..9c5acc904 100644
--- a/app/views/logs/index.html.erb
+++ b/app/views/logs/index.html.erb
@@ -4,6 +4,18 @@
 <% content_for :title, title %>
 
 <% if current_page?(controller: 'lettings_logs', action: 'index') %>
+  <% if @logs_to_update > 0 %>
+    <%= govuk_notification_banner(
+      title_text: "Important",
+      title_heading_level: 3,
+      title_id: "impacted-logs-banner",
+    ) do |notification_banner| %>
+      <% notification_banner.heading(text: "A scheme has changed and it has affected #{@logs_to_update} #{@logs_to_update > 1 ? 'logs' : 'log'}") %>
+      <div class="govuk-notification-banner__heading">
+        <a class="govuk-notification-banner__link" href="./lettings-logs/update-logs">Update logs</a>
+      </div>
+    <% end %>
+  <% end %>
   <%= render partial: "organisations/headings", locals: current_user.support? ? { main: "Lettings logs", sub: nil } : { main: "Lettings logs", sub: current_user.organisation.name } %>
 <% elsif current_page?(controller: 'sales_logs', action: 'index') %>
   <%= render partial: "organisations/headings", locals: current_user.support? ? { main: "Sales logs", sub: nil } : { main: "Sales logs", sub: current_user.organisation.name } %>
diff --git a/app/views/logs/update_logs.html.erb b/app/views/logs/update_logs.html.erb
new file mode 100644
index 000000000..738e03505
--- /dev/null
+++ b/app/views/logs/update_logs.html.erb
@@ -0,0 +1,38 @@
+<% content_for :title, "Update logs" %>
+
+<div class="govuk-grid-row govuk-!-margin-bottom-8">
+  <h1 class="govuk-heading-xl">You need to update <%= @logs.count %> logs</h1>
+
+  <p class="govuk-body">
+    Some scheme details have changed, and now the following <%= @logs.count %> logs need updating.
+  </p>
+  <p class="govuk-body">
+    You'll have to answer a few questions for each log.
+  </p>
+</div>
+
+<div class="govuk-grid-row">
+  <%= govuk_table do |table|
+        table.head do |head|
+          head.row do |row|
+            row.cell(header: true, text: "Log ID")
+            row.cell(header: true, text: "Tenancy code")
+            row.cell(header: true, text: "Property reference")
+            row.cell(header: true, text: "Status")
+            row.cell # "Update now" column has no heading
+          end
+        end
+
+        table.body do |body|
+          @logs.each do |log|
+            body.row do |row|
+              row.cell(header: true, text: log.id)
+              row.cell(text: log.tenancycode)
+              row.cell(text: log.propcode)
+              row.cell { status_tag(log.status) }
+              row.cell(numeric: true) { govuk_link_to("Update now", "#") } # "numeric" to right-align
+            end
+          end
+        end
+      end %>
+</div>
diff --git a/config/routes.rb b/config/routes.rb
index ce005902f..3b6faf816 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -111,6 +111,7 @@ Rails.application.routes.draw do
       get "csv-download", to: "lettings_logs#download_csv"
       post "email-csv", to: "lettings_logs#email_csv"
       get "csv-confirmation", to: "lettings_logs#csv_confirmation"
+      get "update-logs", to: "update_logs#show"
     end
 
     member do
diff --git a/db/migrate/20221124171430_add_impacted_by_scheme_deactivation.rb b/db/migrate/20221124171430_add_impacted_by_scheme_deactivation.rb
new file mode 100644
index 000000000..1ab25749a
--- /dev/null
+++ b/db/migrate/20221124171430_add_impacted_by_scheme_deactivation.rb
@@ -0,0 +1,13 @@
+class AddImpactedBySchemeDeactivation < ActiveRecord::Migration[7.0]
+  def up
+    change_table :lettings_logs, bulk: true do |t|
+      t.column :impacted_by_scheme_deactivation, :boolean
+    end
+  end
+
+  def down
+    change_table :lettings_logs, bulk: true do |t|
+      t.remove :impacted_by_scheme_deactivation
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 9df577686..a7de2404e 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2022_11_22_130928) do
+ActiveRecord::Schema[7.0].define(version: 2022_11_24_171430) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -237,6 +237,7 @@ ActiveRecord::Schema[7.0].define(version: 2022_11_22_130928) do
     t.integer "void_date_value_check"
     t.integer "housingneeds_type"
     t.integer "housingneeds_other"
+    t.boolean "impacted_by_scheme_deactivation"
     t.index ["created_by_id"], name: "index_lettings_logs_on_created_by_id"
     t.index ["location_id"], name: "index_lettings_logs_on_location_id"
     t.index ["managing_organisation_id"], name: "index_lettings_logs_on_managing_organisation_id"
@@ -345,12 +346,10 @@ ActiveRecord::Schema[7.0].define(version: 2022_11_22_130928) do
     t.integer "jointmore"
     t.integer "jointpur"
     t.integer "beds"
-    t.integer "companybuy"
     t.integer "age1"
     t.integer "age1_known"
+    t.integer "companybuy"
     t.string "sex1"
-    t.integer "national"
-    t.string "othernational"
     t.integer "ethnic"
     t.integer "ethnic_group"
     t.integer "buy1livein"
@@ -364,8 +363,10 @@ ActiveRecord::Schema[7.0].define(version: 2022_11_22_130928) do
     t.integer "noint"
     t.integer "buy2livein"
     t.integer "ecstat2"
-    t.integer "privacynotice"
     t.integer "ecstat1"
+    t.integer "national"
+    t.string "othernational"
+    t.integer "privacynotice"
     t.integer "wheel"
     t.integer "hholdcount"
     t.integer "age3"
@@ -374,15 +375,15 @@ ActiveRecord::Schema[7.0].define(version: 2022_11_22_130928) do
     t.integer "la_known"
     t.integer "income1"
     t.integer "income1nk"
-    t.integer "details_known_2"
-    t.integer "details_known_3"
-    t.integer "details_known_4"
     t.integer "age4"
     t.integer "age4_known"
     t.integer "age5"
     t.integer "age5_known"
     t.integer "age6"
     t.integer "age6_known"
+    t.integer "details_known_2"
+    t.integer "details_known_3"
+    t.integer "details_known_4"
     t.index ["created_by_id"], name: "index_sales_logs_on_created_by_id"
     t.index ["managing_organisation_id"], name: "index_sales_logs_on_managing_organisation_id"
     t.index ["owning_organisation_id"], name: "index_sales_logs_on_owning_organisation_id"
diff --git a/spec/features/lettings_log_spec.rb b/spec/features/lettings_log_spec.rb
index 6d09b205a..06ae7eea0 100644
--- a/spec/features/lettings_log_spec.rb
+++ b/spec/features/lettings_log_spec.rb
@@ -134,4 +134,34 @@ RSpec.describe "Lettings Log Features" do
       end
     end
   end
+
+  context "when logs the user created have been affected by a scheme deactivation" do
+    let(:user) { create(:user, last_sign_in_at: Time.zone.now) }
+    let!(:my_impacted_logs) do
+      [
+        create(:lettings_log, created_by: user, impacted_by_scheme_deactivation: true),
+        create(:lettings_log, created_by: user, impacted_by_scheme_deactivation: true),
+      ]
+    end
+
+    before do
+      # Non-impacted log
+      create(:lettings_log, created_by: user)
+      # Impacted log for a different user user
+      create(:lettings_log, impacted_by_scheme_deactivation: true)
+
+      visit("/lettings-logs")
+      fill_in("user[email]", with: user.email)
+      fill_in("user[password]", with: user.password)
+      click_button("Sign in")
+    end
+
+    it "displays a banner" do
+      expect(page).to have_content("A scheme has changed")
+    end
+
+    it "displays the count of affected logs" do
+      expect(page).to have_content("it has affected #{my_impacted_logs.count} logs")
+    end
+  end
 end