diff --git a/app/dao/services_dao.py b/app/dao/services_dao.py
index b9c66a3a0..40918f7e7 100644
--- a/app/dao/services_dao.py
+++ b/app/dao/services_dao.py
@@ -246,9 +246,9 @@ def delete_service_and_all_associated_db_objects(service):
 
 
 @statsd(namespace="dao")
-def dao_fetch_stats_for_service(service_id):
+def dao_fetch_stats_for_service(service_id, limit_days):
     # We always want between seven and eight days
-    start_date = midnight_n_days_ago(7)
+    start_date = midnight_n_days_ago(limit_days)
     return _stats_for_service_query(service_id).filter(
         Notification.created_at >= start_date
     ).all()
diff --git a/app/service/rest.py b/app/service/rest.py
index 8eb157b98..8975aa9df 100644
--- a/app/service/rest.py
+++ b/app/service/rest.py
@@ -165,7 +165,11 @@ def get_service_by_id(service_id):
 
 @service_blueprint.route('/<uuid:service_id>/statistics')
 def get_service_notification_statistics(service_id):
-    return jsonify(data=get_service_statistics(service_id, request.args.get('today_only') == 'True'))
+    return jsonify(data=get_service_statistics(
+        service_id,
+        request.args.get('today_only') == 'True',
+        int(request.args.get('limit_days', 7))
+    ))
 
 
 @service_blueprint.route('', methods=['POST'])
@@ -423,10 +427,13 @@ def get_detailed_service(service_id, today_only=False):
     return detailed_service_schema.dump(service).data
 
 
-def get_service_statistics(service_id, today_only):
+def get_service_statistics(service_id, today_only, limit_days=7):
     # today_only flag is used by the send page to work out if the service will exceed their daily usage by sending a job
-    stats_fn = dao_fetch_todays_stats_for_service if today_only else dao_fetch_stats_for_service
-    stats = stats_fn(service_id)
+    if today_only:
+        stats = dao_fetch_todays_stats_for_service(service_id)
+    else:
+        stats = dao_fetch_stats_for_service(service_id, limit_days=limit_days)
+
     return statistics.format_statistics(stats)
 
 
diff --git a/tests/app/dao/test_services_dao.py b/tests/app/dao/test_services_dao.py
index 2720db90c..e1258b7e8 100644
--- a/tests/app/dao/test_services_dao.py
+++ b/tests/app/dao/test_services_dao.py
@@ -534,7 +534,7 @@ def test_fetch_stats_filters_on_service(sample_notification):
                           message_limit=1000)
     dao_create_service(service_two, sample_notification.service.created_by)
 
-    stats = dao_fetch_stats_for_service(service_two.id)
+    stats = dao_fetch_stats_for_service(service_two.id, 7)
     assert len(stats) == 0
 
 
@@ -546,7 +546,7 @@ def test_fetch_stats_ignores_historical_notification_data(sample_notification):
     assert Notification.query.count() == 0
     assert NotificationHistory.query.count() == 1
 
-    stats = dao_fetch_stats_for_service(service_id)
+    stats = dao_fetch_stats_for_service(service_id, 7)
     assert len(stats) == 0
 
 
@@ -557,7 +557,7 @@ def test_fetch_stats_counts_correctly(notify_db, notify_db_session, sample_templ
     create_notification(notify_db, notify_db_session, template=sample_email_template, status='technical-failure')
     create_notification(notify_db, notify_db_session, template=sample_template, status='created')
 
-    stats = dao_fetch_stats_for_service(sample_template.service_id)
+    stats = dao_fetch_stats_for_service(sample_template.service_id, 7)
     stats = sorted(stats, key=lambda x: (x.notification_type, x.status))
     assert len(stats) == 3
 
@@ -591,7 +591,7 @@ def test_fetch_stats_counts_should_ignore_team_key(
     create_notification(
         notify_db, notify_db_session)
 
-    stats = dao_fetch_stats_for_service(sample_template.service_id)
+    stats = dao_fetch_stats_for_service(sample_template.service_id, 7)
     assert len(stats) == 1
     assert stats[0].notification_type == 'sms'
     assert stats[0].status == 'created'
@@ -634,7 +634,7 @@ def test_fetch_stats_should_not_gather_notifications_older_than_7_days(sample_te
         create_notification_db(sample_template,)
 
     with freeze_time('Monday 16th July 2018 12:00'):
-        stats = dao_fetch_stats_for_service(sample_template.service_id)
+        stats = dao_fetch_stats_for_service(sample_template.service_id, 7)
 
     assert len(stats) == rows_returned