| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Loft insulation | — | £100 – £350 | £53 | 4.2 yrs | +2.9 pts |
| Low energy lighting | — | £25 | £5 | 5.1 yrs | +0.3 pts |
| Floor insulation | — | £800 – £1,200 | £111 | 9.0 yrs | +6.2 pts |
| Heating controls | — | £350 – £450 | £41 | 9.9 yrs | +2.3 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £68 | 38.0 yrs | +3.8 pts · reaches C |
| Solar water heating | — | £4,000 – £6,000 | £86 | 50+ yrs | +4.8 pts |
| Solar photovoltaic panels | — | £5,000 – £8,000 | £103 | 50+ yrs | +5.7 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
£1,387
per year at grade D
£919
per year at grade B
The full plan saves £468 a year — a 3.0% annual return on £15,750.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2015, states £951 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
15 March 2019£230,000
19 September 2014£162,500
28 November 2003£101,800
Estimated today: £352,667 HPI-indexed estimate, not a valuation
Darley Avenue: 310 sales since 1995 · £374,540 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Darley Avenue
How this home sits against its street.
197
graded homes
67.3
average score
C
most common grade
-11.3
this home vs street