| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Low energy lighting | — | £20 | £2 | 8.9 yrs | +0.2 pts |
| Floor insulation | — | £800 – £1,200 | £52 | 19.4 yrs | +4.4 pts |
| Cavity wall insulation | — | £500 – £1,500 | £39 | 25.9 yrs | +3.3 pts · reaches C |
| Wind turbine | — | £1,500 – £4,000 | £43 | 50+ yrs | +3.7 pts |
| Solar water heating | — | £4,000 – £6,000 | £40 | 50+ yrs | +3.4 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £56 | 50+ yrs | +4.8 pts · reaches B |
| Solar photovoltaic panels(optional, beyond B) | — | £9,000 – £14,000 | £48 | 50+ yrs | +4.1 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 £231 a year — a 1.2% annual return on £18,770.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2013, states £639 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £124,225 HPI-indexed estimate, not a valuation
Gresham Street: 17 sales since 1995 · £84,333 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 CofE Primary School, Astley Bridge | Primary | 0.1 mi | — |
| Holy Infant and St Anthony RC Primary School | Primary | 0.4 mi | — |
| The Valley Community Primary School | Primary | 0.4 mi | — |
| Eden Boys' School, Bolton | Secondary | 0.4 mi | Progress 8 +0.45 · above average (2023/24) |
| Thornleigh Salesian College | Secondary | 0.6 mi | Progress 8 -0.22 · below average (2023/24) |
| Sharples School | Secondary | 0.7 mi | Progress 8 +0.86 · well above 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.
Gresham Street
How this home sits against its street.