Score 81-91 · 13.8% of recent certificates
EPC rating B: what it means and what it costs
A B is the standard band for new builds, and the realistic ceiling for most existing homes after a deep retrofit. Across 928,971 homes certified at band B since September 2022, the median modelled heating and hot water cost is £301 a year, about £25 a month.
What would a B-rated home your size cost to heat?
£310estimated heating and hot water per year at band B
£26per month
The same home at band C: about £710 a year, £400 more.
Scaled from the median modelled cost per square metre of B-rated homes certified since September 2022. These are the standardised running-cost estimates from EPC assessments, and never a prediction of your actual bill, which depends on your tariff and usage.
Band B by property type
| Property type | Median heating cost/yr | Median floor area | Median CO₂ (t/yr) | Certificates |
|---|---|---|---|---|
| House | £389 | 93 m² | 1.3 | 485,606 |
| Flat | £214 | 62 m² | 0.9 | 391,969 |
| Bungalow | £614 | 62 m² | 1.2 | 39,142 |
| Maisonette | £290 | 68 m² | 1 | 12,227 |
How band B compares
| Band | Median heating cost/yr | vs band B |
|---|---|---|
| A | £360 | £59 more |
| B (this page) | £301 | — |
| C | £636 | £335 more |
| D | £1,043 | £742 more |
| E | £1,593 | £1,292 more |
| F | £2,348 | £2,047 more |
| G | £3,711 | £3,410 more |
Moving up from B
Reaching A usually needs solar panels on top of an already-efficient home. The full rundown of measures, costs and sensible order is in how to improve your EPC rating.
Check a specific property
Computed by this site from 928,971 band-B certificates lodged since September 2022 on the official register (medians; modelled space and water heating costs at assessment-date prices, filtered to plausible values). Source: Energy Performance of Buildings Data, MHCLG, Open Government Licence v3.0. Generated 2026-09-12. Method on about the data.