diff --git a/app/main/views/dashboard.py b/app/main/views/dashboard.py
index 74072aa2b..c4958ae49 100644
--- a/app/main/views/dashboard.py
+++ b/app/main/views/dashboard.py
@@ -2,6 +2,7 @@ from datetime import datetime, date, timedelta
 from collections import namedtuple
 from itertools import groupby
 
+import dateutil
 from flask import (
     render_template,
     url_for,
@@ -9,7 +10,6 @@ from flask import (
     jsonify,
     current_app
 )
-
 from flask_login import login_required
 
 from app.main import main
@@ -90,20 +90,10 @@ def usage(service_id):
 @login_required
 @user_has_permissions('manage_settings', admin_override=True)
 def weekly(service_id):
-
-    earliest_date = date(2016, 4, 1)  # start of tax year
-    while earliest_date.weekday() != 0:  # 0 for monday
-        earliest_date -= timedelta(days=1)
-
+    stats = statistics_api_client.get_weekly_notification_stats(service_id)['data']
     return render_template(
         'views/weekly.html',
-        days=(
-            add_rates_to(day) for day in
-            statistics_api_client.get_7_day_aggregate_for_service(
-                service_id,
-                date_from=earliest_date
-            )['data']
-        ),
+        days=format_stats_to_list(stats),
         now=datetime.utcnow()
     )
 
@@ -199,3 +189,22 @@ def calculate_usage(usage):
         'sms_chargeable': max(0, sms_sent - sms_free_allowance),
         'sms_rate': sms_rate
     }
+
+
+def format_stats_to_list(historical_stats):
+    out = []
+    for week, weekly_stats in historical_stats.items():
+        for stats in weekly_stats.values():
+            stats['failure_rate'] = get_formatted_percentage(stats['failed'], stats['requested'])
+
+        week_start = dateutil.parser.parse(week)
+        week_end = week_start + timedelta(days=6)
+        item = {
+            'week_start': week_start.isoformat(),
+            'week_end': week_end.isoformat(),
+            'week_end_datetime': week_end,
+        }
+        item.update(weekly_stats)
+        out.append(item)
+
+    return sorted(out, key=lambda x: x['week_start'], reverse=True)
diff --git a/app/notify_client/statistics_api_client.py b/app/notify_client/statistics_api_client.py
index cc3fdc480..47f5b89e4 100644
--- a/app/notify_client/statistics_api_client.py
+++ b/app/notify_client/statistics_api_client.py
@@ -23,16 +23,8 @@ class StatisticsApiClient(BaseAPIClient):
             else:
                 raise e
 
-    def get_7_day_aggregate_for_service(self, service_id, date_from=None, week_count=None):
-        params = {}
-        if date_from is not None:
-            params['date_from'] = date_from
-        if week_count is not None:
-            params['week_count'] = week_count
-        return self.get(
-            url='/service/{}/notifications-statistics/seven_day_aggregate'.format(service_id),
-            params=params
-        )
+    def get_weekly_notification_stats(self, service_id):
+        return self.get(url='/service/{}/notifications/weekly'.format(service_id))
 
     def get_statistics_for_all_services_for_day(self, day):
         params = {
diff --git a/app/templates/views/weekly.html b/app/templates/views/weekly.html
index 10a516290..4e413203c 100644
--- a/app/templates/views/weekly.html
+++ b/app/templates/views/weekly.html
@@ -33,16 +33,16 @@
       {% endif %}
     {% endcall %}
     {% call field(align='right') %}
-      {{ item.emails_requested }}
+      {{ item.email.requested }}
     {% endcall %}
     {% call field(align='right') %}
-      {{ item.emails_failure_rate }}%
+      {{ item.email.failure_rate }}%
     {% endcall %}
     {% call field(align='right') %}
-      {{ item.sms_requested }}
+      {{ item.sms.requested }}
     {% endcall %}
     {% call field(align='right') %}
-      {{ item.sms_failure_rate }}%
+      {{ item.sms.failure_rate }}%
     {% endcall %}
   {% endcall %}