diff --git a/app/main/views/notifications.py b/app/main/views/notifications.py
index 3d2a9456b..76f65d8af 100644
--- a/app/main/views/notifications.py
+++ b/app/main/views/notifications.py
@@ -91,6 +91,7 @@ def view_notification(service_id, notification_id):
         help=get_help_argument(),
         estimated_letter_delivery_date=get_letter_timings(notification['created_at']).earliest_delivery,
         notification_id=notification['id'],
+        postage=notification['postage'],
         can_receive_inbound=(current_service.has_permission('inbound_sms')),
         is_precompiled_letter=notification['template']['is_precompiled_letter']
     )
diff --git a/app/templates/views/notifications/notification.html b/app/templates/views/notifications/notification.html
index e2aadcb46..b7ba44d04 100644
--- a/app/templates/views/notifications/notification.html
+++ b/app/templates/views/notifications/notification.html
@@ -35,6 +35,9 @@
     </p>
 
     {% if template.template_type == 'letter' %}
+      <p>
+        Postage: {{ postage }} class
+      </p>
       <p>
         Estimated delivery date: {{ estimated_letter_delivery_date|string|format_date_short }}
       </p>
diff --git a/tests/__init__.py b/tests/__init__.py
index 6f412363e..1fc6e83db 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -369,6 +369,7 @@ def notification_json(
     reply_to_text=None,
     client_reference=None,
     created_by_name=None,
+    postage=None,
 ):
     if template is None:
         template = template_json(service_id, str(generate_uuid()), type_=template_type)
@@ -388,6 +389,8 @@ def notification_json(
     if status is None:
         status = 'delivered'
     links = {}
+    if template_type == 'letter':
+        postage = 'second'
 
     if with_links:
         links = {
@@ -415,6 +418,7 @@ def notification_json(
             'service': service_id,
             'template_version': template['version'],
             'personalisation': personalisation or {},
+            'postage': postage,
             'notification_type': template_type,
             'reply_to_text': reply_to_text,
             'client_reference': client_reference,
diff --git a/tests/app/main/views/test_notifications.py b/tests/app/main/views/test_notifications.py
index a0c133ea9..3c53ebf9f 100644
--- a/tests/app/main/views/test_notifications.py
+++ b/tests/app/main/views/test_notifications.py
@@ -157,6 +157,9 @@ def test_notification_page_shows_page_for_letter_notification(
         'sample template sent by Test User on 1 January at 1:01am'
     )
     assert normalize_spaces(page.select('main p:nth-of-type(2)')[0].text) == (
+        'Postage: second class'
+    )
+    assert normalize_spaces(page.select('main p:nth-of-type(3)')[0].text) == (
         'Estimated delivery date: 6 January'
     )
     assert page.select('p.notification-status') == []