EPC ratings in NN1: Northampton
Across 516 domestic Energy Performance Certificates sampled in NN1 (Northampton), the most common energy band is D and the average band is D. 27.7% 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.
Northampton, a commuter town of Victorian and modern housing.
EPC band distribution in NN1
The share of domestic Energy Performance Certificates in each band (A is most efficient, G least), aggregated from 516 certificates sampled across 13 postcodes in NN1:
| Band | Certificates | Share |
|---|---|---|
| A | 0 | 0% |
| B | 12 | 2.3% |
| C | 131 | 25.4% |
| D | 265 | 51.4% |
| E | 80 | 15.5% |
| F | 25 | 4.8% |
| G | 3 | 0.6% |
516 certificates aggregated. The MHCLG register has no outcode-level query, so this distribution is sampled from real certificates across NN1 and is indicative of the local housing stock — not a complete census of every property.
How energy-efficient is NN1?
With an average band of D and 27.7% of homes at C or above,NN1 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 NN1 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 NN1?
Across 516 domestic certificates sampled in NN1 (Northampton), the average energy band is D and the most common band is D. 27.7% 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 NN1 have?
The most common (modal) EPC band in NN1 is D, 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 NN1 are EPC C or above?
About 27.7% of the 516 certificates we aggregated in NN1 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 NN1?
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
Battersea and Clapham Junction, a busy riverside district of Victorian terraces and new-build riverside flats.
South-bank Southwark and Bermondsey, a high-density mix of warehouse conversions and modern riverside apartments.
Islington, a dense inner-north district of Georgian and Victorian housing with newer flats around the canal.
Canary Wharf and the Isle of Dogs, a high-density cluster of modern, well-insulated apartment towers.
Hampstead and Belsize Park, a low-density district of large period houses and mansion flats.
Central Reading, a Thames Valley town centre mixing terraced housing with modern town-centre apartments.
Sources
- Energy Performance of Buildings data — MHCLG (England & Wales)
- Outcode geocoding & postcode sampling — postcodes.io
Energy Performance of Buildings Data: England and Wales — MHCLG, OGL v3.0