| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Hot water cylinder insulation | — | £15 – £30 | £189 | 0.1 yrs | +6.3 pts |
| High-retention storage heaters | — | £1,600 – £2,400 | £436 | 4.6 yrs | +14.6 pts · reaches E |
| Cavity wall insulation | — | £500 – £1,500 | £165 | 6.1 yrs | +5.5 pts |
| Flat roof insulation | — | £850 – £1,500 | £168 | 7.0 yrs | +5.6 pts · reaches D |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £205 | 22.0 yrs | +6.8 pts |
| Floor insulation | — | £4,000 – £6,000 | £221 | 22.6 yrs | +7.4 pts · reaches C |
| Solar water heating | — | £4,000 – £6,000 | £172 | 29.1 yrs | +5.7 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £239 | 37.6 yrs | +8.0 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 £1,794 a year — a 6.5% annual return on £27,698.
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: £107,614 HPI-indexed estimate, not a valuation
Second Avenue: 42 sales since 1995 · £86,888 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Wigan St Andrew's CofE Junior and Infant School | Primary | under 0.1 mi | — |
| Sacred Heart Catholic Primary School | Primary | 0.2 mi | — |
| Beech Hill Community Primary School | Primary | 0.4 mi | — |
| St John Fisher Catholic High School | Secondary | 0.3 mi | Progress 8 -0.58 · well below average (2023/24) |
| The Deanery Church of England High School and Sixth Form College | Secondary | 0.6 mi | Progress 8 -0.31 · below average (2023/24) |
| Dean Trust Rose Bridge | Secondary | 1.7 mi | Progress 8 -0.60 · 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.
Second Avenue
How this home sits against its street.