| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Cavity wall insulation | — | £500 – £1,500 | £88 | 11.4 yrs | +3.7 pts |
| Room-in-roof insulation | — | £1,500 – £2,700 | £162 | 12.9 yrs | +6.8 pts · reaches C |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £109 | 41.4 yrs | +4.6 pts |
| Solar water heating | — | £4,000 – £6,000 | £91 | 50+ yrs | +3.9 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
The full plan saves £450 a year — a 3.6% annual return on £12,600.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £1,011 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £293,887 HPI-indexed estimate, not a valuation
Thornhill Close: 18 sales since 1995 · £206,300 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Dane Bank Primary School | Primary | 0.1 mi | — |
| Vale View Primary School | Primary | 0.4 mi | — |
| Denton West End Primary School | Primary | 0.4 mi | — |
| Reddish Vale High School | Secondary | 0.9 mi | Progress 8 -0.29 · below average (2023/24) |
| Cedar Mount Academy | Secondary | 1.1 mi | Progress 8 -0.71 · well below average (2023/24) |
| Wright Robinson College | Secondary | 1.2 mi | Progress 8 +0.34 · above average (2023/24) |
Schools from the DfE register, performance from the KS4 performance tables. Progress 8 is a GCSE measure, so primaries have none. Distance is straight-line from the postcode, not a catchment: admission is decided by the school, not by us.
Thornhill Close
How this home sits against its street.