Official MHCLG Energy Performance of Buildings data

EPC ratings in SW1A: Westminster, London

Indicative · area-level — not a per-address EPC
Average band
E
Most common
E
C or above
0%

Across 5 domestic Energy Performance Certificates sampled in SW1A (Westminster, London), the most common energy band is E and the average band is E. 0% of certificates are rated C or above — the threshold mortgage lenders and the government's energy targets focus on. This is an indicative, area-level picture of the local housing stock, not the EPC for any one property.

Prime central London around Westminster and St James's — period stock and mansion flats.

EPC band distribution in SW1A

The share of domestic Energy Performance Certificates in each band (A is most efficient, G least), aggregated from 5 certificates sampled across 2 postcodes in SW1A:

BandCertificatesShare
A0
0%
B0
0%
C0
0%
D1
20%
E3
60%
F1
20%
G0
0%

5 certificates aggregated. The MHCLG register has no outcode-level query, so this distribution is sampled from real certificates across SW1A and is indicative of the local housing stock — not a complete census of every property.

Area context

How energy-efficient is SW1A?

With an average band of E and 0% of homes at C or above,SW1A reflects its housing stock: modern flats and recent new-builds push the average up, while older period and solid-wall housing pulls it down. Energy band affects running costs, mortgage eligibility and improvement potential — use this as area context alongside the price, crime and flood picture, not in isolation.

See the EPC for one SW1A address

This page is the area picture. To see the actual EPC for one exact property — its current and potential band, running costs and recommended improvements — alongside its sold-price history, crime, flood and ground risk and a current valuation, search the address. The full breakdown is in the £24.99 Complete report.

Frequently asked questions

What is the average EPC rating in SW1A?

Across 5 domestic certificates sampled in SW1A (Westminster, London), the average energy band is E and the most common band is E. 0% of homes are rated C or above. This is an area-level average from the MHCLG EPC register, not a per-property rating — search an exact address for its own certificate.

What EPC band do most homes in SW1A have?

The most common (modal) EPC band in SW1A is E, with the full A–G breakdown in the table above. City-centre outcodes tend to skew towards band C because they hold more modern, well-insulated flats, while areas of older period housing skew lower.

How many homes in SW1A are EPC C or above?

About 0% of the 5 certificates we aggregated in SW1A are rated C or above. Band C is the level most lenders' green-mortgage products and the government's efficiency targets are pegged to, so it is a useful area benchmark.

How accurate is this EPC data for SW1A?

It is official data from the MHCLG Energy Performance of Buildings register for England and Wales, published under the Open Government Licence. Because the register has no outcode-level query, this distribution is SAMPLED from real certificates across postcodes in the outcode and aggregated — it is indicative of the local housing stock, not a complete census of every property. Search an exact address on HouseCheckup to see its own EPC in the full report.

EPC ratings in nearby areas

Sources

Energy Performance of Buildings Data: England and Wales — MHCLG, OGL v3.0