| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Party wall insulation | — | £300 – £600 | £19 | 23.5 yrs | +3.9 pts |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £33 | 50+ yrs | +6.6 pts · reaches B |
| Solar water heating(optional, beyond B) | — | £4,000 – £6,000 | £27 | 50+ yrs | +5.5 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 £52 a year — a 1.1% annual return on £4,950.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2025, states £643 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £177,593 HPI-indexed estimate, not a valuation
Salwick Close: 54 sales since 1995 · £139,318 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| St Paul's Church of England Primary School | Primary | 0.2 mi | — |
| St Jude's Catholic Primary School Wigan | Primary | 0.4 mi | — |
| Marus Bridge Primary School | Primary | 0.5 mi | — |
| Hawkley Hall High School | Secondary | 1.0 mi | Progress 8 -0.14 · average (2023/24) |
| Dean Trust Wigan | Secondary | 1.5 mi | Progress 8 -1.12 · well below average (2023/24) |
| The Deanery Church of England High School and Sixth Form College | Secondary | 1.6 mi | Progress 8 -0.31 · 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.
Salwick Close
How this home sits against its street.