| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Heating controls | — | £350 – £450 | £63 | 6.4 yrs | +2.0 pts |
| Cavity wall insulation | — | £500 – £1,500 | £129 | 7.8 yrs | +4.2 pts |
| Room-in-roof insulation | — | £1,500 – £2,700 | £238 | 8.8 yrs | +7.7 pts · reaches C |
| Double glazing(optional, beyond C) | — | £3,300 – £6,500 | £62 | 50+ yrs | +2.0 pts |
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
£1,294
per year at grade D
£802
per year at grade C
The full plan saves £430 a year — a 12.3% annual return on £3,500.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £815 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
1 September 2016£250,000
Estimated today: £221,998 HPI-indexed estimate, not a valuation
Roman Road: 1,244 sales since 1995 · £406,311 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Roman Road
How this home sits against its street.
963
graded homes
65.4
average score
D
most common grade
-9.4
this home vs street