| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Heating controls | — | £350 – £450 | £94 | 4.3 yrs | +3.0 pts |
| Flat roof insulation | — | £850 – £1,500 | £195 | 6.0 yrs | +6.3 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £158 | 16.5 yrs | +5.1 pts · reaches D |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £238 | 18.9 yrs | +7.7 pts |
| Floor insulation | — | £4,000 – £6,000 | £257 | 19.5 yrs | +8.3 pts · reaches C |
| Solar water heating | — | £4,000 – £6,000 | £199 | 25.1 yrs | +6.5 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £278 | 32.4 yrs | +9.0 pts · reaches B |
Grants verified 20 August 2026. Costs are the register’s indicative ranges. Savings are restated at the fuel prices assumed in July 2026. Points per measure are estimated from 19.9 million certificates and rescaled to this home’s own certificate delta; the total is the register’s figure.
Running costs
£2,307
per year at grade E
£889
per year at grade B
The full plan saves £1,418 a year — a 5.1% annual return on £27,675.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £1,454 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
16 December 2022£291,111
7 May 2004£162,500
29 August 2001£100,000
Estimated today: £296,898 HPI-indexed estimate, not a valuation
Prince Rupert Drive: 224 sales since 1995 · £320,204 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Prince Rupert Drive
How this home sits against its street.
97
graded homes
63.1
average score
D
most common grade
-22.1
this home vs street