| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Hot water cylinder insulation | — | £15 – £30 | £427 | 0.1 yrs | +8.3 pts |
| Change of heating system | — | £3,000 – £7,000 | £1,425 | 3.5 yrs | +27.6 pts · reaches D |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £462 | 9.7 yrs | +9.0 pts |
| Floor insulation | — | £4,000 – £6,000 | £500 | 10.0 yrs | +9.7 pts · reaches C |
| Solar water heating | — | £4,000 – £6,000 | £388 | 12.9 yrs | +7.5 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
The full plan saves £3,202 a year — a 16.4% annual return on £19,523.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £2,673 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £224,485 HPI-indexed estimate, not a valuation
Southwick Road: 61 sales since 1995 · £194,989 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Button Lane Primary School | Primary | 0.3 mi | — |
| Rack House Primary School | Primary | 0.3 mi | — |
| St. Aidan's Catholic Primary School, a Voluntary Academy | Primary | 0.4 mi | — |
| Sale High School | Secondary | 1.0 mi | Not in the KS4 performance tables |
| Dixons Brooklands Academy | Secondary | 1.1 mi | Progress 8 -0.64 · well below average (2023/24) |
| Sale Grammar School | Secondary | 1.4 mi | Progress 8 +0.80 · well 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.
Southwick Road
How this home sits against its street.