diff --git a/repositories/historic_epc/historic_epc_s3_repository.py b/repositories/historic_epc/historic_epc_s3_repository.py
index 095ae989f..83efdf33d 100644
--- a/repositories/historic_epc/historic_epc_s3_repository.py
+++ b/repositories/historic_epc/historic_epc_s3_repository.py
@@ -5,8 +5,12 @@ from collections.abc import Callable
 import pandas as pd
 
 from datatypes.epc.domain.historic_epc import HistoricEpc
+from datatypes.epc.domain.historic_epc_matching import (
+    _map_historic_epc_pandas_row_to_domain,
+    _sanitise_postcode,
+)
 from repositories.historic_epc.historic_epc_repository import HistoricEpcRepository
-from utils.s3 import read_csv_gz_from_s3
+from utils.s3 import parse_s3_uri, read_csv_gz_from_s3
 
 DEFAULT_S3_ROOT = "s3://retrofit-data-dev/historical_epc"
 
@@ -28,4 +32,8 @@ class HistoricEpcS3Repository(HistoricEpcRepository):
         self._s3_root = s3_root
 
     def get_for_postcode(self, postcode: str) -> list[HistoricEpc]:
-        raise NotImplementedError
+        pc = _sanitise_postcode(postcode)
+        bucket, root_prefix = parse_s3_uri(self._s3_root)
+        key = f"{root_prefix.rstrip('/')}/{pc}/data.csv.gz"
+        df = self._read_csv_gz(bucket, key)
+        return [_map_historic_epc_pandas_row_to_domain(row) for _, row in df.iterrows()]