diff --git a/backend/ordnanceSurvey/main.py b/backend/ordnanceSurvey/main.py
index 6a639b54..6e82b468 100644
--- a/backend/ordnanceSurvey/main.py
+++ b/backend/ordnanceSurvey/main.py
@@ -60,13 +60,6 @@ def check_if_post_code_exists_in_db_cache(postcode):
         return os_places_results_to_dataframe(response["data"])
 
 
-def get_ordance_survey_record(row, cache=None):
-    if cache is None:
-        cache = check_if_post_code_exists_in_db_cache(postcode)
-
-    # process cache with row
-
-
 def save_results_to_s3(
     results_df: pd.DataFrame,
     task_id: str,
@@ -211,6 +204,9 @@ def handler(body: dict[str, Any], context: Any, local: bool = False) -> None:
             best_idx = scores.idxmax()
             best_score = scores[best_idx]
 
+            if best_score <= 0:
+                continue
+
             df.at[idx, "ordnance_survey_address"] = postcode_cache.at[
                 best_idx, "ADDRESS"
             ]