| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Loft insulation | — | £100 – £350 | £127 | 1.8 yrs | +5.5 pts |
| Flue gas heat recovery | — | £900 | £259 | 3.5 yrs | +11.2 pts |
| Floor insulation | — | £800 – £1,200 | £266 | 3.8 yrs | +11.5 pts · reaches F |
| Low energy lighting | — | £45 | £12 | 3.9 yrs | +0.5 pts |
| Cavity wall insulation | — | £500 – £1,500 | £199 | 5.0 yrs | +8.6 pts · reaches E |
| Change of heating system | — | £3,000 – £7,000 | £760 | 6.6 yrs | +32.9 pts · reaches C |
| Solar photovoltaic panels | — | £9,000 – £14,000 | £246 | 46.7 yrs | +10.7 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 £1,869 a year — a 9.5% annual return on £19,670.
Energy costs as modelled on the certificate, not a bill. This fuel has too few recent certificates to restate at today's prices.
Sold prices
Estimated today: £141,893 HPI-indexed estimate, not a valuation
Sandy Lane: 143 sales since 1995 · £177,421 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Castle Hill St Philip's CofE Primary School | Primary | 0.2 mi | — |
| Hindley All Saints CofE Primary School | Primary | 0.4 mi | — |
| Hindley Junior and Infant School | Primary | 0.7 mi | — |
| Outwood Academy Hindley | Secondary | 0.4 mi | Progress 8 -0.08 · average (2023/24) |
| Westhoughton High School | Secondary | 1.9 mi | Progress 8 -0.64 · well below average (2023/24) |
| The Westleigh School | Secondary | 2.1 mi | Progress 8 -0.81 · well below 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.