diff --git a/app/celery/scheduled_tasks.py b/app/celery/scheduled_tasks.py
index 9d5249e8a..7500111a7 100644
--- a/app/celery/scheduled_tasks.py
+++ b/app/celery/scheduled_tasks.py
@@ -221,6 +221,7 @@ def send_total_sent_notifications_to_performance_platform():
     count_dict = total_sent_notifications.get_total_sent_notifications_yesterday()
     email_sent_count = count_dict.get('email').get('count')
     sms_sent_count = count_dict.get('sms').get('count')
+    letter_sent_count = count_dict.get('letter').get('count')
     start_date = count_dict.get('start_date')
 
     current_app.logger.info(
@@ -240,6 +241,12 @@ def send_total_sent_notifications_to_performance_platform():
         email_sent_count
     )
 
+    total_sent_notifications.send_total_notifications_sent_for_day_stats(
+        start_date,
+        'letter',
+        letter_sent_count
+    )
+
 
 @notify_celery.task(name='switch-current-sms-provider-on-slow-delivery')
 @statsd(namespace="tasks")
diff --git a/app/performance_platform/total_sent_notifications.py b/app/performance_platform/total_sent_notifications.py
index 4ad57171e..4aa62c786 100644
--- a/app/performance_platform/total_sent_notifications.py
+++ b/app/performance_platform/total_sent_notifications.py
@@ -27,6 +27,7 @@ def get_total_sent_notifications_yesterday():
 
     email_count = get_total_sent_notifications_in_date_range(start_date, end_date, 'email')
     sms_count = get_total_sent_notifications_in_date_range(start_date, end_date, 'sms')
+    letter_count = get_total_sent_notifications_in_date_range(start_date, end_date, 'letter')
 
     return {
         "start_date": start_date,
@@ -35,5 +36,8 @@ def get_total_sent_notifications_yesterday():
         },
         "sms": {
             "count": sms_count
-        }
+        },
+        "letter": {
+            "count": letter_count
+        },
     }
diff --git a/tests/app/performance_platform/test_total_sent_notifications.py b/tests/app/performance_platform/test_total_sent_notifications.py
index e4fe597d0..2ad2a93f6 100644
--- a/tests/app/performance_platform/test_total_sent_notifications.py
+++ b/tests/app/performance_platform/test_total_sent_notifications.py
@@ -56,6 +56,7 @@ def test_get_total_sent_notifications_yesterday_returns_expected_totals_dict(
     # Create some notifications for the day before
     yesterday = datetime(2016, 1, 10, 15, 30, 0, 0)
     with freeze_time(yesterday):
+        notification_history(notification_type='letter')
         notification_history(notification_type='sms')
         notification_history(notification_type='sms')
         notification_history(notification_type='email')
@@ -71,5 +72,8 @@ def test_get_total_sent_notifications_yesterday_returns_expected_totals_dict(
         },
         "sms": {
             "count": 2
+        },
+        "letter": {
+            "count": 1
         }
     }