| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Hot water cylinder insulation | — | £30 | £187 | 0.2 yrs | +4.5 pts |
| Low energy lighting | — | £30 | £10 | 3.1 yrs | +0.2 pts |
| Floor insulation | — | £1,200 – £200 | £218 | 3.2 yrs | +5.3 pts · reaches D |
| Change of heating system | — | £7,000 – £0 | £623 | 5.6 yrs | +15.0 pts · reaches C |
| Solar photovoltaic panels | — | £5,500 – £500 | £202 | 14.8 yrs | +4.9 pts |
| Solar water heating | — | £6,000 – £0 | £169 | 17.7 yrs | +4.1 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 £1,409 a year — a 13.7% annual return on £10,260.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £1,595 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £322,880 HPI-indexed estimate, not a valuation
Cranleigh Drive: 146 sales since 1995 · £397,739 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Sandilands Primary School | Primary | 0.4 mi | — |
| Heyes Lane Primary School | Primary | 0.7 mi | — |
| Lime Tree Primary Academy | Primary | 0.7 mi | — |
| Sale High School | Secondary | 0.4 mi | Not in the KS4 performance tables |
| Dixons Brooklands Academy | Secondary | 0.7 mi | Progress 8 -0.64 · well below average (2023/24) |
| Sale Grammar School | Secondary | 0.7 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.
Cranleigh Drive
How this home sits against its street.