diff --git a/app/main/views/send.py b/app/main/views/send.py
index 7051094b2..cbf7acf0e 100644
--- a/app/main/views/send.py
+++ b/app/main/views/send.py
@@ -284,6 +284,7 @@ def send_test_step(service_id, template_id, step_index):
 
     return render_template(
         'views/send-test.html',
+        page_title=get_send_test_page_title(template.template_type, request.endpoint),
         template=template,
         form=form,
         optional_placeholder=optional_placeholder,
@@ -546,3 +547,14 @@ def all_placeholders_in_session(placeholders):
         get_normalised_send_test_values_from_session().get(placeholder, False) not in (False, None)
         for placeholder in placeholders
     )
+
+
+def get_send_test_page_title(template_type, endpoint):
+    if get_help_argument():
+        return 'Example text message'
+    if template_type == 'letter':
+        return 'Print a test letter'
+    return {
+        'main.send_test_step': 'Send yourself a test',
+        'main.send_one_off_step': 'Send one-off message',
+    }[endpoint]
diff --git a/app/templates/views/send-test.html b/app/templates/views/send-test.html
index c7b0b0e2e..05eae2aeb 100644
--- a/app/templates/views/send-test.html
+++ b/app/templates/views/send-test.html
@@ -5,25 +5,13 @@
 {% from "components/table.html" import list_table, field, text_field, index_field, index_field_heading %}
 
 {% block service_page_title %}
-  {% if request.args['help'] %}
-    Example text message
-  {% else %}
-    Send yourself a test
-  {% endif %}
+  {{ page_title }}
 {% endblock %}
 
 {% block maincolumn_content %}
 
   <h1 class="heading-large">
-  {% if request.args['help'] %}
-    Example text message
-  {% else %}
-    {% if template.template_type == 'letter' %}
-      Print a test letter
-    {% else %}
-      Send yourself a test
-    {% endif %}
-  {% endif %}
+    {{ page_title }}
   </h1>
 
   <form method="post" class="js-stick-at-top-when-scrolling" data-module="autofocus">
diff --git a/tests/app/main/views/test_send.py b/tests/app/main/views/test_send.py
index 3f07e4108..ded6677a5 100644
--- a/tests/app/main/views/test_send.py
+++ b/tests/app/main/views/test_send.py
@@ -332,6 +332,71 @@ def test_send_test_step_redirects_if_session_not_setup(
         assert session['send_test_values'] == expected_session_contents
 
 
+@pytest.mark.parametrize('template_mock, partial_url, expected_h1', [
+    (
+        mock_get_service_template_with_placeholders,
+        partial(url_for, 'main.send_test'),
+        'Send yourself a test',
+    ),
+    (
+        mock_get_service_template_with_placeholders,
+        partial(url_for, 'main.send_one_off'),
+        'Send one-off message',
+    ),
+    (
+        mock_get_service_template_with_placeholders,
+        partial(url_for, 'main.send_test', help=1),
+        'Example text message',
+    ),
+    (
+        mock_get_service_email_template,
+        partial(url_for, 'main.send_test', help=1),
+        'Example text message',
+    ),
+    (
+        mock_get_service_email_template,
+        partial(url_for, 'main.send_test'),
+        'Send yourself a test',
+    ),
+    (
+        mock_get_service_email_template,
+        partial(url_for, 'main.send_one_off'),
+        'Send one-off message',
+    ),
+    (
+        mock_get_service_letter_template,
+        partial(url_for, 'main.send_test'),
+        'Print a test letter',
+    ),
+    (
+        mock_get_service_letter_template,
+        partial(url_for, 'main.send_one_off'),
+        'Print a test letter',
+    ),
+])
+def test_send_one_off_or_test_has_correct_page_titles(
+    logged_in_client,
+    service_one,
+    fake_uuid,
+    mocker,
+    template_mock,
+    partial_url,
+    expected_h1,
+):
+
+    template_mock(mocker)
+    mocker.patch('app.main.views.send.get_page_count_for_letter', return_value=99)
+
+    response = logged_in_client.get(
+        partial_url(service_id=service_one['id'], template_id=fake_uuid, step_index=0),
+        follow_redirects=True,
+    )
+    page = BeautifulSoup(response.data.decode('utf-8'), 'html.parser')
+
+    assert response.status_code == 200
+    assert page.h1.text.strip() == expected_h1
+
+
 @pytest.mark.parametrize('endpoint, expected_redirect, send_test_values', [
     (
         'main.send_test_step',