| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Room-in-roof insulation | — | £1,500 – £2,700 | £245 | 8.6 yrs | +7.0 pts |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £164 | 27.4 yrs | +4.7 pts · reaches C |
| Solar water heating | — | £4,000 – £6,000 | £138 | 36.3 yrs | +3.9 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £192 | 46.9 yrs | +5.5 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
£2,063
per year at grade D
£1,324
per year at grade B
The full plan saves £739 a year — a 3.6% annual return on £20,600.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £1,836 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
5 December 2024£1,662,500
30 June 2017£817,000
Estimated today: £1,730,150 HPI-indexed estimate, not a valuation
Crawthew Grove: 159 sales since 1995 · £911,040 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Crawthew Grove
How this home sits against its street.
68
graded homes
62.7
average score
D
most common grade
-2.7
this home vs street