moved year built

model_data/Property.py

@@ -37,6 +37,7 @@ class Property(BaseUtility):
         self.data = data
         self.full_sap_epc = None
         self.in_conservation_area = None
+        self.year_built = None
 
         if epc_client:
             self.epc_client = epc_client
@@ -145,14 +146,16 @@ class Property(BaseUtility):
         """
 
         if self.full_sap_epc:
-            return pd.to_datetime(self.full_sap_epc["lodgement-date"]).year
+            self.year_built = pd.to_datetime(self.full_sap_epc["lodgement-date"]).year
+            return
 
         if self.data["construction-age-band"] not in self.DATA_ANOMALY_MATCHES:
             # Take the lower limit. If we're pessimistic about the age of the property, that at least means we have
             # more options for recommendations if that age falls before the year that insulation in walls became
             # common practice
             band = [int(x) for x in re.findall(r'\b\d{4}\b', self.data["construction-age-band"])]
-            return band[0]
+            self.year_built = band[0]
+            return
 
         # We don't know when the property was built
-        return None
+        self.year_built = None