| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation | — | £800 – £1,200 | £422 | 2.4 yrs | +4.4 pts |
| Cavity wall insulation | — | £500 – £1,500 | £315 | 3.2 yrs | +3.3 pts · reaches D |
| Room-in-roof insulation | — | £1,500 – £2,700 | £583 | 3.6 yrs | +6.1 pts |
| Flat roof insulation | — | £850 – £1,500 | £321 | 3.7 yrs | +3.4 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £259 | 10.0 yrs | +2.7 pts · reaches C |
| Solar photovoltaic panels(optional, beyond C) | — | £3,500 – £5,500 | £391 | 11.5 yrs | +4.1 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
£5,599
per year at grade E
£3,308
per year at grade C
The full plan saves £1,900 a year — a 24.1% annual return on £7,875.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £7,679 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
30 January 2026£1,015,000
14 August 2003£613,500
31 May 1996£148,000
Estimated today: £1,029,580 HPI-indexed estimate, not a valuation
Ditchling Road: 890 sales since 1995 · £461,960 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Ditchling Road
How this home sits against its street.
459
graded homes
62.9
average score
D
most common grade
-12.9
this home vs street