diff --git a/app/views/errors/unauthorised.html.haml b/app/views/errors/unauthorised.html.haml
index 6ab66b46c2..142ef0b0ba 100644
--- a/app/views/errors/unauthorised.html.haml
+++ b/app/views/errors/unauthorised.html.haml
@@ -1,4 +1,9 @@
-- content_for :page_title_prefix, t('error_pages.unauthorised')
+- content_for :page_title_prefix, t('error_pages.unauthorised.title')
 
-%h1.govuk-heading-xl=t('error_pages.unauthorised')
+%h1.govuk-heading-xl=t('error_pages.unauthorised.title')
+%p= t('error_pages.unauthorised.text_html')
+%ul.govuk-list.govuk-list--bullet
+  -t('error_pages.unauthorised.options').each do |option|
+    %li=option.html_safe
+%p= t('error_pages.unauthorised.footer')
 %p You can email #{mail_to t('help.email'), t('help.email'), class: 'govuk-link'} if the problem persists.
diff --git a/config/locales/en.yml b/config/locales/en.yml
index b32177c8c7..86de969068 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -1010,11 +1010,19 @@ en:
       already_exists: "You're already subscribed to an alert for these search criteria"
 
   error_pages:
-    unauthorised: We were unable to authorise your request.
-    unprocessable_entity: We're unable to process your request.
     not_found: Page not found.
-    trashed_vacancy_found: Page not found.
     server_error: Sorry, there’s a technical issue at our end
+    trashed_vacancy_found: Page not found.
+    unauthorised:
+      footer: If you still can’t access this page, or you haven’t yet been authorised, please email teaching.vacancies@education.gov.uk
+      options:
+        - checking the URL is correct
+        - logging out of Teaching Vacancies and signing in again
+        - reloading or refreshing the page
+        - <a href="https://support.google.com/accounts/answer/32050" class="govuk-link">deleting your browser’s cache</a>
+      text_html: "<p>You need authorisation to be able to see this page.</p><p>If you have already been given access, you can try fixing this problem by:</p>"
+      title: We were unable to authorise your request.
+    unprocessable_entity: We're unable to process your request.
 
   help:
     email: teaching.vacancies@education.gov.uk