diff --git a/app/models/form/sales/pages/building_height_class.rb b/app/models/form/sales/pages/building_height_class.rb
index 3a3ee36ae..3e3547225 100644
--- a/app/models/form/sales/pages/building_height_class.rb
+++ b/app/models/form/sales/pages/building_height_class.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::BuildingHeightClass < ::Form::Page
   def initialize(id, hsh, subsection)
     super
     @id = "building_height_class"
-    @copy_key = "sales.property_information.buildheightclass"
     @depends_on = [
       { "proptype" => 1 },
       { "proptype" => 2 },
diff --git a/app/views/form/guidance/_building_height_class.html.erb b/app/views/form/guidance/_building_height_class.html.erb
index 13721556b..f538ae151 100644
--- a/app/views/form/guidance/_building_height_class.html.erb
+++ b/app/views/form/guidance/_building_height_class.html.erb
@@ -1,5 +1,5 @@
 <div class="govuk-body">
-  <%= govuk_details(summary_text: I18n.t("forms.#{@log.form.start_date.year}.lettings.guidance.building_height_class.title")) do %>
-    <%= I18n.t("forms.#{@log.form.start_date.year}.lettings.guidance.building_height_class.content").html_safe %>
+  <%= govuk_details(summary_text: I18n.t("forms.#{@log.form.start_date.year}.sales.guidance.building_height_class.title")) do %>
+    <%= I18n.t("forms.#{@log.form.start_date.year}.sales.guidance.building_height_class.content").html_safe %>
   <% end %>
 </div>
diff --git a/config/locales/forms/2026/lettings/guidance.en.yml b/config/locales/forms/2026/lettings/guidance.en.yml
index 531586e58..3f2e315cf 100644
--- a/config/locales/forms/2026/lettings/guidance.en.yml
+++ b/config/locales/forms/2026/lettings/guidance.en.yml
@@ -76,12 +76,3 @@ en:
           needs_type:
             title: "What does each need type mean?"
             content: "General needs housing includes both self-contained and shared housing without support or specific adaptations.<br><br>Supported housing is housing with special design facilities or features targeted at a specific client group requiring support, for example housing designed for older people, sheltered accommodation, extra care housing. It can include direct access hostels, group homes, and purpose-built self-contained housing. We do not require CORE logs for residential care or nursing homes."
-
-          building_height_class:
-            title: "What do these classifications mean?"
-            content: "<p>High-rise residential buildings are those containing 2 or more residential units and either:</p>
-                      <ul class=\"govuk-list govuk-list--bullet\">
-                        <li>have 7 or more stories</li>
-                        <li>are at least 18 metres in height</li>
-                      </ul>
-                      <p>If unsure, answer based on the number of storeys.</p>"
diff --git a/config/locales/forms/2026/sales/guidance.en.yml b/config/locales/forms/2026/sales/guidance.en.yml
index bc40e2a7b..f5863b3af 100644
--- a/config/locales/forms/2026/sales/guidance.en.yml
+++ b/config/locales/forms/2026/sales/guidance.en.yml
@@ -55,3 +55,12 @@ en:
             title: "What is a UPRN?"
             content: "<p>The Unique Property Reference Number (UPRN) is a unique number system created by Ordnance Survey and used by housing providers and various industries across the UK. An example is 0010457355.</p>
               <p>The UPRN may not be the same as the property reference assigned by your organisation.</p>"
+
+          building_height_class:
+            title: "What do these classifications mean?"
+            content: "<p>High-rise residential buildings are those containing 2 or more residential units and either:</p>
+                      <ul class=\"govuk-list govuk-list--bullet\">
+                        <li>have 7 or more stories</li>
+                        <li>are at least 18 metres in height</li>
+                      </ul>
+                      <p>If unsure, answer based on the number of storeys.</p>"