| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation | — | £800 – £1,200 | £80 | 12.6 yrs | +5.0 pts |
| Cavity wall insulation | — | £500 – £1,500 | £59 | 16.8 yrs | +3.7 pts |
| Room-in-roof insulation | — | £1,500 – £2,700 | £110 | 19.1 yrs | +6.9 pts · reaches C |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £74 | 50+ yrs | +4.6 pts |
| Solar water heating | — | £4,000 – £6,000 | £62 | 50+ yrs | +3.9 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 £384 a year — a 2.8% annual return on £13,600.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2021, states £765 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £290,738 HPI-indexed estimate, not a valuation
Sandy Lane: 69 sales since 1995 · £211,050 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Irlam Endowed Primary School | Primary | 0.2 mi | — |
| St Joseph the Worker RC Primary School | Primary | 0.3 mi | — |
| Moss Valley Primary Academy | Primary | 0.3 mi | — |
| Wellacre Technology Academy | Secondary | 1.2 mi | Progress 8 -0.32 · below average (2023/24) |
| Irlam and Cadishead Academy | Secondary | 1.2 mi | Progress 8 -0.07 · average (2023/24) |
| Flixton Girls School | Secondary | 2.1 mi | Progress 8 +0.02 · 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.
Sandy Lane
How this home sits against its street.