diff --git a/recommendations/tests/test_window_recommendations.py b/recommendations/tests/test_window_recommendations.py
index f7884d77..359dd962 100644
--- a/recommendations/tests/test_window_recommendations.py
+++ b/recommendations/tests/test_window_recommendations.py
@@ -36,7 +36,7 @@ class TestWindowRecommendations:
         recommender.recommend()
 
         assert recommender.recommendation == [
-            {'parts': [], 'type': 'window_glazing', 'description': 'Install double glazing to all windows',
+            {'parts': [], 'type': 'windows_glazing', 'description': 'Install double glazing to all windows',
              'starting_u_value': None, 'new_u_value': None, 'sap_points': None, 'total': 5721.943248,
              'subtotal': 4768.28604, 'vat': 953.6572080000001, 'contingency': 340.59186, 'preliminaries': 340.59186,
              'material': 1275.75, 'profit': 681.18372, 'labour_hours': 45.5, 'labour_cost': 994.8624,
@@ -71,7 +71,7 @@ class TestWindowRecommendations:
         recommender2.recommend()
 
         assert recommender2.recommendation == [
-            {'parts': [], 'type': 'window_glazing', 'description': 'Install double glazing to the remaining windows',
+            {'parts': [], 'type': 'windows_glazing', 'description': 'Install double glazing to the remaining windows',
              'starting_u_value': None, 'new_u_value': None, 'sap_points': None, 'total': 4087.10232,
              'subtotal': 3405.9186, 'vat': 681.18372, 'contingency': 243.2799, 'preliminaries': 243.2799,
              'material': 911.25, 'profit': 486.5598, 'labour_hours': 32.5, 'labour_cost': 710.6160000000001,
@@ -153,7 +153,8 @@ class TestWindowRecommendations:
         recommender5.recommend()
 
         assert recommender5.recommendation == [
-            {'parts': [], 'type': 'window_glazing', 'description': 'Install secondary glazing to the remaining windows',
+            {'parts': [], 'type': 'windows_glazing',
+             'description': 'Install secondary glazing to the remaining windows',
              'starting_u_value': None, 'new_u_value': None, 'sap_points': None, 'total': 1089.893952,
              'subtotal': 908.24496, 'vat': 181.64899200000002, 'contingency': 64.87464, 'preliminaries': 64.87464,
              'material': 729.0, 'profit': 129.74928, 'labour_hours': 13.0, 'labour_cost': 568.4928,
@@ -184,7 +185,7 @@ class TestWindowRecommendations:
         recommender6.recommend()
 
         assert recommender6.recommendation == [
-            {'parts': [], 'type': 'window_glazing',
+            {'parts': [], 'type': 'windows_glazing',
              'description': 'Install secondary glazing to all windows. Secondary '
                             'glazing recommended due to herigate building status',
              'starting_u_value': None, 'new_u_value': None, 'sap_points': None,
@@ -245,7 +246,7 @@ class TestWindowRecommendations:
         recommender8.recommend()
 
         assert recommender8.recommendation == [
-            {'parts': [], 'type': 'window_glazing', 'description': 'Install double glazing to the remaining windows',
+            {'parts': [], 'type': 'windows_glazing', 'description': 'Install double glazing to the remaining windows',
              'starting_u_value': None, 'new_u_value': None, 'sap_points': None, 'total': 1634.840928,
              'subtotal': 1362.36744, 'vat': 272.47348800000003, 'contingency': 97.31196, 'preliminaries': 97.31196,
              'material': 364.5, 'profit': 194.62392, 'labour_hours': 13.0, 'labour_cost': 284.2464,