| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Hot water cylinder insulation | — | £15 – £30 | £56 | 0.4 yrs | +3.9 pts |
| Low energy lighting | — | £15 | £3 | 5.2 yrs | +0.2 pts |
| Cavity wall insulation | — | £500 – £1,500 | £49 | 20.3 yrs | +3.4 pts |
| Double glazing | — | £1,000 – £1,400 | £24 | 50+ yrs | +1.7 pts · reaches B |
| Solar photovoltaic panels(optional, beyond B) | — | £3,500 – £5,500 | £61 | 50+ yrs | +4.2 pts |
| Solar water heating(optional, beyond B) | — | £4,000 – £6,000 | £51 | 50+ yrs | +3.6 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
£988
per year at grade C
£743
per year at grade B
The full plan saves £133 a year — a 5.9% annual return on £2,238.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £586 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
1 July 2022£785,000
1 September 2000£210,000
22 May 1998£137,000
Estimated today: £756,013 HPI-indexed estimate, not a valuation
Darley Road: 36 sales since 1995 · £782,214 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Darley Road
How this home sits against its street.
22
graded homes
64.9
average score
D
most common grade
+7.1
this home vs street