diff --git a/model_data/recommendations/WallRecommendations.py b/model_data/recommendations/WallRecommendations.py
index 7fcebd7b..e604cac0 100644
--- a/model_data/recommendations/WallRecommendations.py
+++ b/model_data/recommendations/WallRecommendations.py
@@ -261,8 +261,11 @@ class WallRecommendations:
 
         if is_solid_brick and insulation_thickness == "none":
 
-            # This is an estimated figure based on industry standards
-            u_value = self.DEFAULT_U_VALUES["solid_brick"]
+            if insulation_thickness == "none":
+                # This is an estimated figure based on industry standards
+                u_value = self.DEFAULT_U_VALUES["solid_brick"]
+            else:
+                u_value = self._get_walls_uvalue_estimate()
 
             ewi_parts = [
                 part for part in wall_parts if part["type"] == "external_wall_insulation"
@@ -291,6 +294,7 @@ class WallRecommendations:
                         )
 
             # We also can recommend both internal and external wall insulation together
+            # By looping through ewi first, if there is nothing there, that ensures not combinations are tested
             for ewi_part in ewi_parts:
                 for iwi_part in iwi_parts:
                     for ewi_depth, iwi_depth in itertools.product(ewi_part["depths"], iwi_part["depths"]):
@@ -318,14 +322,6 @@ class WallRecommendations:
                             ]
                             self.recommendations.append(recommendation)
 
-        if is_solid_brick and insulation_thickness == "average" and wall_energy_efficiency in ["Good", "Average"]:
-
-            # Get uvalue estimate
-            uvalue_estimate = self._get_walls_uvalue_estimate()
-
-            if self.property.in_conservation_area == ConservationAreaClient.IN_CONSERVATION_AREA:
-                blah
-
         raise NotImplementedError("Not implemented yet")
 
     def _get_walls_uvalue_estimate(self):