diff --git a/app/components/check_answers_summary_list_card_component.html.erb b/app/components/check_answers_summary_list_card_component.html.erb
index cc13532b8..9b0c67872 100644
--- a/app/components/check_answers_summary_list_card_component.html.erb
+++ b/app/components/check_answers_summary_list_card_component.html.erb
@@ -25,7 +25,7 @@
               <span class="govuk-!-font-weight-regular app-!-colour-muted"><%= inferred_answer %></span>
             <% end %>
           <% end %>
-          <% if @log.form.end_date > Time.zone.today %>
+          <% if @log.collection_period_open? %>
             <% row.action(
               text: question.action_text(log),
               href: question.action_href(log, question.page.id),
diff --git a/app/controllers/form_controller.rb b/app/controllers/form_controller.rb
index 6e71de6c6..a529ef6e7 100644
--- a/app/controllers/form_controller.rb
+++ b/app/controllers/form_controller.rb
@@ -50,7 +50,7 @@ class FormController < ApplicationController
       page_id = request.path.split("/")[-1].underscore
       @page = @log.form.get_page(page_id)
       @subsection = @log.form.subsection_for_page(@page)
-      if @page.routed_to?(@log, current_user)
+      if @page.routed_to?(@log, current_user) && @log.collection_period_open?
         render "form/page"
       else
         redirect_to lettings_log_path(@log)
diff --git a/app/helpers/tasklist_helper.rb b/app/helpers/tasklist_helper.rb
index bb75fcfff..fe842c7d7 100644
--- a/app/helpers/tasklist_helper.rb
+++ b/app/helpers/tasklist_helper.rb
@@ -38,7 +38,7 @@ module TasklistHelper
   end
 
   def review_log_text(log)
-    if log.form.end_date > Time.zone.today
+    if log.collection_period_open?
       "You can #{govuk_link_to 'review and make changes to this log', "/lettings-logs/#{log.id}/review"} until #{(log.form.end_date + 1.day).to_formatted_s(:govuk_date)}.".html_safe
     else
       "This log is from the #{log.form.start_date.year}/#{log.form.start_date.year + 1} collection window, which is now closed."
diff --git a/app/models/log.rb b/app/models/log.rb
index abde757e5..68e50c78c 100644
--- a/app/models/log.rb
+++ b/app/models/log.rb
@@ -44,6 +44,10 @@ class Log < ApplicationRecord
     managing_organisation&.provider_type
   end
 
+  def collection_period_open?
+    form.end_date > Time.zone.today
+  end
+
 private
 
   def update_status!
diff --git a/app/views/form/_check_answers_summary_list.html.erb b/app/views/form/_check_answers_summary_list.html.erb
index a03569084..56ae87905 100644
--- a/app/views/form/_check_answers_summary_list.html.erb
+++ b/app/views/form/_check_answers_summary_list.html.erb
@@ -13,7 +13,7 @@
           <span class="govuk-!-font-weight-regular app-!-colour-muted"><%= inferred_answer %></span>
         <% end %>
       <% end %>
-      <% if @log.form.end_date > Time.zone.today %>
+      <% if @log.collection_period_open? %>
         <% row.action(
           text: question.action_text(@log),
           href: question.action_href(@log, question.page.id),
diff --git a/spec/requests/lettings_logs_controller_spec.rb b/spec/requests/lettings_logs_controller_spec.rb
index 2a79254fc..f605d065a 100644
--- a/spec/requests/lettings_logs_controller_spec.rb
+++ b/spec/requests/lettings_logs_controller_spec.rb
@@ -782,6 +782,11 @@ RSpec.describe LettingsLogsController, type: :request do
         expect(page).not_to have_link("Change")
         expect(page).not_to have_link("Answer")
       end
+
+      it "does not let the user navigate to questions for previous collection year logs" do
+        get "/lettings-logs/#{completed_lettings_log.id}/needs-type", headers: { "Accept" => "text/html" }, params: {}
+        expect(response).to redirect_to("/lettings-logs/#{completed_lettings_log.id}")
+      end
     end
 
     context "when requesting CSV download" do