| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Draughtproofing | — | £80 – £120 | £102 | 1.0 yrs | +5.4 pts · reaches E |
| Floor insulation | — | £800 – £1,200 | £121 | 8.3 yrs | +6.4 pts |
| Change of heating system | — | £3,000 – £7,000 | £345 | 14.5 yrs | +18.3 pts · reaches D |
| Solar water heating | — | £4,000 – £6,000 | £94 | 50+ yrs | +5.0 pts · reaches C |
| Solar photovoltaic panels(optional, beyond C) | — | £5,000 – £8,000 | £112 | 50+ yrs | +5.9 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 £661 a year — a 6.0% annual return on £11,100.
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: £190,333 HPI-indexed estimate, not a valuation
Windsor Crescent: 28 sales since 1995 · £190,244 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Aspull Church Primary School | Primary | 0.1 mi | — |
| Our Lady's RC Primary School Wigan | Primary | 0.3 mi | — |
| St David Haigh and Aspull CofE Primary School | Primary | 0.9 mi | — |
| Dean Trust Rose Bridge | Secondary | 1.9 mi | Progress 8 -0.60 · well below average (2023/24) |
| St Joseph's RC High School | Secondary | 2.5 mi | Progress 8 -0.14 · average (2023/24) |
| Outwood Academy Hindley | Secondary | 2.6 mi | Progress 8 -0.08 · 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.
Windsor Crescent
How this home sits against its street.