diff --git a/backend/etl/etl_opendatacommunities/main.py b/backend/etl/etl_opendatacommunities/main.py
index 30b4045a..2bd41005 100644
--- a/backend/etl/etl_opendatacommunities/main.py
+++ b/backend/etl/etl_opendatacommunities/main.py
@@ -15,16 +15,7 @@ logger = setup_logger()
 SRC_ROOT = Path("/workspaces/home/epc_data")
 TMP_ROOT = Path("/tmp/epc_postcodes")
 S3_BUCKET = "retrofit-data-dev"
-S3_PREFIX = "epc_opendatacommunities"
-
-REC_COLS = {
-    "IMPROVEMENT_ITEM",
-    "IMPROVEMENT_SUMMARY_TEXT",
-    "IMPROVEMENT_DESCR_TEXT",
-    "IMPROVEMENT_ID",
-    "IMPROVEMENT_ID_TEXT",
-    "INDICATIVE_COST",
-}
+S3_PREFIX = "historical_epc"
 
 # This scripts assume you downloading the zip, unzip it, and running it locally
 
@@ -35,18 +26,16 @@ def sanitise(pc: pd.Series) -> pd.Series:
 
 def shard_la(la_dir: Path) -> None:
     certs = pd.read_csv(la_dir / "certificates.csv", low_memory=False)
-    recs = pd.read_csv(la_dir / "recommendations.csv", low_memory=False)
-    merged = certs.merge(recs, on="LMK_KEY", how="left")
 
-    merged["POSTCODE_CLEAN"] = sanitise(merged["POSTCODE"])
-    before = len(merged)
-    merged = merged.dropna(subset=["POSTCODE_CLEAN"])
-    merged = merged[merged["POSTCODE_CLEAN"] != ""]
-    dropped = before - len(merged)
+    certs["POSTCODE_CLEAN"] = sanitise(certs["POSTCODE"])
+    before = len(certs)
+    certs = certs.dropna(subset=["POSTCODE_CLEAN"])
+    certs = certs[certs["POSTCODE_CLEAN"] != ""]
+    dropped = before - len(certs)
     if dropped:
         logger.warning(f"{la_dir.name}: dropped {dropped} rows with empty postcode")
 
-    for pc, group in merged.groupby("POSTCODE_CLEAN", sort=False):
+    for pc, group in certs.groupby("POSTCODE_CLEAN", sort=False):
         out = TMP_ROOT / f"{pc}.csv"
         group.drop(columns=["POSTCODE_CLEAN"]).to_csv(
             out, mode="a", header=not out.exists(), index=False
@@ -67,9 +56,7 @@ def list_existing_keys(s3: Any) -> set[str]:
 def upload_postcode(path: Path, s3: Any) -> None:
     df = pd.read_csv(path, low_memory=False).drop_duplicates()
 
-    cert_cols = [c for c in df.columns if c not in REC_COLS]
-    cert_only = df[cert_cols].drop_duplicates()
-    dupes = cert_only["LMK_KEY"].value_counts()
+    dupes = df["LMK_KEY"].value_counts()
     bad = dupes[dupes > 1]
     if not bad.empty:
         raise ValueError(
@@ -95,12 +82,14 @@ def main():
     )
     logger.info(f"Sharding {len(la_dirs)} LA folders -> {TMP_ROOT}")
 
-    # for la in tqdm(la_dirs, desc="shard"):
-    #     shard_la(la)
+    for la in tqdm(la_dirs, desc="shard"):
+        shard_la(la)
 
     s3 = boto3.client(
         "s3",
-        config=Config(max_pool_connections=512, retries={"max_attempts": 5, "mode": "standard"}),
+        config=Config(
+            max_pool_connections=512, retries={"max_attempts": 5, "mode": "standard"}
+        ),
     )
     pc_files = sorted(TMP_ROOT.glob("*.csv"))
     logger.info(f"Found {len(pc_files)} local shards")
diff --git a/datatypes/epc/domain/historic_epc.py b/datatypes/epc/domain/historic_epc.py
new file mode 100644
index 00000000..230c6327
--- /dev/null
+++ b/datatypes/epc/domain/historic_epc.py
@@ -0,0 +1,10 @@
+from dataclasses import dataclass
+
+
+@dataclass
+class HistoricEpc:
+    address1: str
+    address2: str
+    address3: str
+    postcode: str
+    uprn: str
diff --git a/datatypes/epc/schema/historic_epc.py b/datatypes/epc/schema/historic_epc.py
index 9ebe4b09..f64ab8c4 100644
--- a/datatypes/epc/schema/historic_epc.py
+++ b/datatypes/epc/schema/historic_epc.py
@@ -96,9 +96,3 @@ class HistoricEpc:
     uprn: str
     uprn_source: str
     report_type: str
-    improvement_item: str
-    improvement_summary_text: str
-    improvement_descr_text: str
-    improvement_id: str
-    improvement_id_text: str
-    indicative_cost: str
diff --git a/datatypes/epc/schema/tests/test_historic_epc_loading.py b/datatypes/epc/schema/tests/test_historic_epc_loading.py
index d5d5ea22..2170a8a6 100644
--- a/datatypes/epc/schema/tests/test_historic_epc_loading.py
+++ b/datatypes/epc/schema/tests/test_historic_epc_loading.py
@@ -47,9 +47,3 @@ class TestHistoricEpcLoading:
 
     def test_report_type(self, epc: HistoricEpc) -> None:
         assert epc.report_type == "100"
-
-    def test_improvement_summary_text(self, epc: HistoricEpc) -> None:
-        assert epc.improvement_summary_text == "Increase loft insulation to 270 mm"
-
-    def test_indicative_cost(self, epc: HistoricEpc) -> None:
-        assert epc.indicative_cost == "£100 - £350"
diff --git a/sfr/principal_pitch/2_export_data.py b/sfr/principal_pitch/2_export_data.py
index b275086d..5e3ce5d5 100644
--- a/sfr/principal_pitch/2_export_data.py
+++ b/sfr/principal_pitch/2_export_data.py
@@ -26,13 +26,13 @@ from backend.app.db.functions.materials_functions import get_materials
 from collections import defaultdict
 from sqlalchemy import func
 
-PORTFOLIO_ID = 711
-SCENARIOS = [1233]
+PORTFOLIO_ID = 632
+SCENARIOS = [1144]
 scenario_names = {
-    1233: "Reach EPC C",
+    1144: "EPC C",
 }
 
-project_name = "Novus"
+project_name = "Calico Refresh"
 
 
 def get_data(portfolio_id, scenario_ids):