The EPC register calls this a high-performance doors. Priced from the recommendations on 299,508 current certificates in England & Wales — not installer marketing.
The register’s indicative installed cost, and the payback at this measure’s typical saving.
| Property | Homes | Installed cost | Saving / yr | Payback |
|---|---|---|---|---|
| End-Terrace bungalow | 7,640 | £500 – £1,000 | £80 | 6.3 yrs |
| Mid-Terrace bungalow | 10,074 | £500 – £1,000 | £80 | 6.3 yrs |
| Semi-Detached bungalow | 26,953 | £500 – £1,000 | £80 | 6.3 yrs |
| Detached flat | 2,254 | £500 – £1,000 | £80 | 6.3 yrs |
| Enclosed End-Terrace flat | 2,459 | £500 | £80 | 6.3 yrs |
| Enclosed Mid-Terrace flat | 2,251 | £500 | £80 | 6.3 yrs |
| End-Terrace flat | 10,155 | £500 | £80 | 6.3 yrs |
| Mid-Terrace flat | 21,197 | £500 | £80 | 6.3 yrs |
| Semi-Detached flat | 10,553 | £500 – £1,000 | £80 | 6.3 yrs |
| Enclosed End-Terrace house | 1,095 | £500 – £1,000 | £80 | 6.3 yrs |
| End-Terrace house | 20,128 | £500 – £1,000 | £80 | 6.3 yrs |
| Mid-Terrace house | 46,488 | £500 – £1,000 | £80 | 6.3 yrs |
Savings are the measure’s share of the home’s own certificate saving, estimated the same way the Upgrade Plan estimates it, then taken across every home recommended this measure.
High-performance doors typically adds 4.6 EPC points, at about £219 a point. A grade band is 11–14 points wide, so on its own it rarely moves a whole grade — it is bought for the points, and combined with the other cheap measures on the list.
No open scheme currently supports this measure.
From the grants registry, verified 20 August 2026 · all grants
Exact cost, saving and grades gained — from your home’s own certificate.