| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Cavity wall insulation | — | £500 – £1,500 | £232 | 4.3 yrs | +4.8 pts |
| Flat roof insulation | — | £850 – £1,500 | £236 | 5.0 yrs | +4.8 pts |
| Change of heating system | — | £3,000 – £7,000 | £887 | 5.6 yrs | +18.2 pts · reaches D |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £288 | 15.6 yrs | +5.9 pts · reaches C |
| Floor insulation | — | £4,000 – £6,000 | £311 | 16.1 yrs | +6.4 pts |
| Solar water heating | — | £4,000 – £6,000 | £241 | 20.7 yrs | +4.9 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
£3,062
per year at grade E
£868
per year at grade B
The full plan saves £2,194 a year — a 10.1% annual return on £21,675.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £2,053 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
25 November 2022£280,000
Estimated today: £257,305 HPI-indexed estimate, not a valuation
Brooke Avenue: 55 sales since 1995 · £240,595 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Brooke Avenue
How this home sits against its street.
55
graded homes
65.9
average score
C
most common grade
-25.9
this home vs street