diff --git a/asset_list/AssetList.py b/asset_list/AssetList.py
index 21b2111f..05f6b10e 100644
--- a/asset_list/AssetList.py
+++ b/asset_list/AssetList.py
@@ -1932,8 +1932,10 @@ class AssetList:
         # there may be properties that have been visited multiple times where the outcome was "See notes" implying
         # that the surveyor had a detailed explanation as to why they couldn't gain access so if this has
         # happened multiple times, in this case we judge that the work may not be viable
+
+        date_col = "Week Commencing" if "Week Commencing" in self.outcomes else "Survey Date"
         lookup = lookup.merge(
-            self.outcomes[["row_id", "Outcome", "Notes", "Week Commencing"]], how="left", on="row_id"
+            self.outcomes[["row_id", "Outcome", "Notes", date_col]], how="left", on="row_id"
         )
 
         visit_counts = (
@@ -1949,6 +1951,9 @@ class AssetList:
             visit_counts, how="left", on="domna_property_id"
         )
 
+        if pivot_df[self.DOMNA_PROPERTY_ID].duplicated().sum():
+            raise Exception("We have duplicated property IDs in the outcomes data")
+
         # We merge this data onto outcomes
         self.outcomes["matched_to_asset_list"] = self.outcomes["row_id"].isin(lookup["row_id"].values)
         self.outcomes = self.outcomes.merge(
@@ -1962,10 +1967,16 @@ class AssetList:
 
     def flag_survey_master(
         self,
-        master_filepaths
+        master_filepaths,
+        master_to_asset_list_filepath=None
     ):
         # TODO: This probably needs further expansion
 
+        if master_to_asset_list_filepath is not None:
+            id_map = pd.read_csv(master_to_asset_list_filepath)
+        else:
+            id_map = pd.DataFrame()
+
         logger.info("Getting masters and merging onto asset list")
         master_surveyed = []
         for filepath in master_filepaths:
@@ -1973,6 +1984,11 @@ class AssetList:
             # Strip columns
             master_data.columns = [c.strip() for c in master_data.columns]
 
+            if not id_map.empty:
+                master_data = master_data.merge(
+                    id_map, how="left", on=['NO.', 'Street / Block Name', 'Post Code']
+                )
+
             install_col = (
                 "INSTALLED OR CANCELLED" if "INSTALLED OR CANCELLED" in master_data.columns
                 else "INSTALL / CANCELLATION DATE"
diff --git a/asset_list/app.py b/asset_list/app.py
index fb71a70e..bea9cdde 100644
--- a/asset_list/app.py
+++ b/asset_list/app.py
@@ -323,7 +323,11 @@ def app():
     landlord_existing_pv = None
     outcomes_filename = "plus dane outcomes.xlsx"
     outcomes_sheetname = "EVERYTHING"
-    master_filepaths = ["JJC Rolling Master.csv", "SCIS Rolling Master.csv"]
+    master_filepaths = [
+        os.path.join(data_folder, "JJC Rolling Master.csv"),
+        os.path.join(data_folder, "SCIS Rolling Master.csv"),
+    ]
+    master_to_asset_list_filepath = os.path.join(data_folder, "surveys_to_assets.csv")
 
     # Maps addresses to uprn in problematic cases
     manual_uprn_map = {}
@@ -386,7 +390,8 @@ def app():
     )
 
     asset_list.flag_survey_master(
-        master_filepaths=master_filepaths
+        master_filepaths=master_filepaths,
+        master_to_asset_list_filepath=master_to_asset_list_filepath
     )
 
     ### We retrieve the EPC data
diff --git a/etl/eligibility/ha_15_32/ha_analysis_batch_3.py b/etl/eligibility/ha_15_32/ha_analysis_batch_3.py
index aca36584..e97f0202 100644
--- a/etl/eligibility/ha_15_32/ha_analysis_batch_3.py
+++ b/etl/eligibility/ha_15_32/ha_analysis_batch_3.py
@@ -2897,6 +2897,17 @@ class DataLoader:
         # Merge onto the survey list
         survey_list = survey_list.merge(matching_lookup, how='left', on="survey_list_row_id")
 
+        # TEMP FOR NEWER WORK
+        # matching_lookup = matching_lookup.merge(
+        #     asset_list[["asset_list_row_id", "UPRN"]], how="left", on="asset_list_row_id"
+        # ).merge(
+        #     survey_list[["survey_list_row_id", "NO.", "Street / Block Name", "Post Code"]],
+        #     how="left", on="survey_list_row_id"
+        # )
+        # matching_lookup.to_csv(
+        #     "/Users/khalimconn-kowlessar/Documents/hestia/Customers/Plus Dane/surveys_to_assets.csv"
+        # )
+
         return survey_list
 
     @staticmethod