diff --git a/backend/SearchEpc.py b/backend/SearchEpc.py
index 0010191a..1ee1f950 100644
--- a/backend/SearchEpc.py
+++ b/backend/SearchEpc.py
@@ -702,6 +702,18 @@ class SearchEpc:
             exclude_old=exclude_old
         )
 
+        # Check if it's a new build EPC. A property that doesn't have an EPC is not going to be a new build
+        # so we avoid comparing it to new builds
+        # TODO - this is experimental
+        newer_age_bands = [
+            "England and Wales: 1996-2002", "England and Wales: 2003-2006", "England and Wales: 2007-2011",
+            "England and Wales: 2012 onwards"
+        ]
+
+        if (~epc_data["construction-age-band"].isin(newer_age_bands)).sum():
+            # We have some older age bands, so we need to filter them out
+            epc_data = epc_data[~epc_data["construction-age-band"].isin(newer_age_bands)].copy()
+
         # If we have missing lodgment date, we fill it with inspection-date
         epc_data["lodgement-datetime"] = epc_data["lodgement-datetime"].fillna(epc_data["inspection-date"])
         # If we still have missing dates, we set it to the mean of the non NA dates