| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Draughtproofing | — | £80 – £120 | £217 | 0.5 yrs | +3.8 pts |
| Floor insulation | — | £800 – £1,200 | £258 | 3.9 yrs | +4.5 pts |
| Flat roof insulation | — | £850 – £1,500 | £196 | 6.0 yrs | +3.4 pts |
| Low energy lighting | — | £85 | £11 | 7.5 yrs | +0.2 pts |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £238 | 18.9 yrs | +4.2 pts · reaches D |
| Solar water heating(optional, beyond D) | — | £4,000 – £6,000 | £200 | 25.0 yrs | +3.5 pts |
| Solid wall insulation(optional, beyond D) | — | £4,000 – £14,000 | £279 | 32.3 yrs | +4.9 pts |
| Double glazing(optional, beyond D) | — | £3,300 – £6,500 | £93 | 50+ yrs | +1.6 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
£4,247
per year at grade E
£2,755
per year at grade D
The full plan saves £920 a year — a 13.4% annual return on £6,860.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2025, states £3,574 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
9 October 2025£1,960,000
18 March 2011£1,165,000
Estimated today: £1,927,900 HPI-indexed estimate, not a valuation
Schools nearby
No school in the register within reach of this postcode.