| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Heating controls | — | £350 – £450 | £37 | 10.8 yrs | +1.5 pts |
| Low energy lighting | — | £50 | £4 | 11.2 yrs | +0.2 pts |
| Double glazing | — | £1,000 – £1,400 | £37 | 32.6 yrs | +1.5 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £63 | 41.6 yrs | +2.6 pts |
| Floor insulation | — | £4,000 – £6,000 | £102 | 49.1 yrs | +4.2 pts · reaches C |
| Solar water heating(optional, beyond C) | — | £4,000 – £6,000 | £79 | 50+ yrs | +3.2 pts |
| Solar photovoltaic panels(optional, beyond C) | — | £5,000 – £8,000 | £94 | 50+ yrs | +3.9 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 £243 a year — a 2.6% annual return on £9,250.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2015, states £1,183 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £344,822 HPI-indexed estimate, not a valuation
Coombe Close: 7 sales since 1995
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Tyldesley Primary School | Primary | 0.2 mi | — |
| Tyldesley St George's Central CofE Primary School and Nursery | Primary | 0.4 mi | — |
| Garrett Hall Primary School | Primary | 0.5 mi | — |
| Fred Longworth High School | Secondary | 0.9 mi | Progress 8 -0.29 · below average (2023/24) |
| St Mary's Catholic High School | Secondary | 1.1 mi | Progress 8 -0.20 · average (2023/24) |
| Atherton High School | Secondary | 1.7 mi | Progress 8 0.00 · 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.