diff --git a/.idea/Model.iml b/.idea/Model.iml
index b0f9c00d..4413bb06 100644
--- a/.idea/Model.iml
+++ b/.idea/Model.iml
@@ -7,7 +7,7 @@
       <sourceFolder url="file://$MODULE_DIR$/open_uprn" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/recommendations" isTestSource="false" />
     </content>
-    <orderEntry type="jdk" jdkName="Python 3.10 (model_data)" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Python 3.10 (backend)" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
   <component name="PyNamespacePackagesService">
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 1122b380..6f308057 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,7 +3,7 @@
   <component name="Black">
     <option name="sdkName" value="Python 3.10 (backend)" />
   </component>
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.10 (model_data)" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.10 (backend)" project-jdk-type="Python SDK" />
   <component name="PythonCompatibilityInspectionAdvertiser">
     <option name="version" value="3" />
   </component>
diff --git a/recommendations/HeatingControlRecommender.py b/recommendations/HeatingControlRecommender.py
index 76eaba4f..63218163 100644
--- a/recommendations/HeatingControlRecommender.py
+++ b/recommendations/HeatingControlRecommender.py
@@ -1,5 +1,5 @@
 from recommendations.Costs import Costs
-from recommendations.recommendation_utils import check_simulation_difference
+from recommendations.recommendation_utils import check_simulation_difference, override_costs
 from backend.Property import Property
 from etl.epc_clean.epc_attributes.MainheatControlAttributes import MainheatControlAttributes
 
@@ -159,20 +159,30 @@ class HeatingControlRecommender:
         has_room_thermostat = not needs_room_thermostat
         has_trvs = not needs_trvs
 
+        cost_result = self.costs.roomstat_programmer_trvs(
+            number_heated_rooms=int(self.property.data["number-heated-rooms"]),
+            has_programmer=has_programmer,
+            has_room_thermostat=has_room_thermostat,
+            has_trvs=has_trvs
+        )
+
+        description = "upgrade heating controls to Room thermostat, programmer and TRVs"
+
+        is_override = "heating_control" in self.property.override
+        if is_override:
+            cost_result = override_costs(cost_result)
+            description = "Heating controls have already been upgraded, no further action needed."
+
         self.recommendation.append(
             {
                 "type": "heating_control",
                 "parts": [],
-                "description": "upgrade heating controls to Room thermostat, programmer and TRVs",
-                **self.costs.roomstat_programmer_trvs(
-                    number_heated_rooms=int(self.property.data["number-heated-rooms"]),
-                    has_programmer=has_programmer,
-                    has_room_thermostat=has_room_thermostat,
-                    has_trvs=has_trvs
-                ),
+                "description": description,
+                **cost_result,
                 "starting_u_value": None,
                 "new_u_value": None,
                 "sap_points": None,
+                "is_override": is_override,
                 "simulation_config": simulation_config
             }
         )
@@ -211,18 +221,28 @@ class HeatingControlRecommender:
         if self.property.data["mainheatc-energy-eff"] in ["Poor", "Very Poor", "Average", "Good"]:
             simulation_config["mainheatc_energy_eff_ending"] = "Very Good"
 
+        cost_result = self.costs.time_and_temperature_zone_control(
+            number_heated_rooms=int(self.property.data["number-heated-rooms"])
+        )
+
+        description = ("Upgrade heating controls to Smart Thermostats, room sensors and smart radiator valves (time & "
+                       "temperature zone control)")
+
+        is_override = "heating_control" in self.property.override
+        if is_override:
+            cost_result = override_costs(cost_result)
+            description = "Heating controls have already been upgraded, no further action needed."
+
         self.recommendation.append(
             {
                 "type": "heating_control",
                 "parts": [],
-                "description": "Upgrade heating controls to Smart Thermostats, room sensors and smart radiator valves "
-                               "(time & temperature zone control)",
-                **self.costs.time_and_temperature_zone_control(
-                    number_heated_rooms=int(self.property.data["number-heated-rooms"])
-                ),
+                "description": description,
+                **cost_result,
                 "starting_u_value": None,
                 "new_u_value": None,
                 "sap_points": None,
+                "is_override": is_override,
                 "simulation_config": simulation_config
             }
         )