| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation | — | £800 – £1,200 | £257 | 3.9 yrs | +5.4 pts · reaches D |
| Heating controls | — | £350 – £450 | £94 | 4.3 yrs | +2.0 pts |
| Cavity wall insulation | — | £500 – £1,500 | £192 | 5.2 yrs | +4.0 pts |
| Low energy lighting | — | £100 | £11 | 8.9 yrs | +0.2 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £158 | 16.5 yrs | +3.3 pts |
| Solar photovoltaic panels | — | £9,000 – £14,000 | £238 | 48.3 yrs | +5.0 pts · reaches C |
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 £950 a year — a 5.7% annual return on £16,600.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2014, states £2,184 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £438,404 HPI-indexed estimate, not a valuation
Ashbourne Avenue: 14 sales since 1995 · £181,875 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| St Stephen and All Martyrs' CofE School, Lever Bridge | Primary | under 0.1 mi | — |
| Bolton Parish Church, Church of England Primary School | Primary | 0.2 mi | — |
| Moorgate Primary School | Primary | 0.9 mi | — |
| University Collegiate School | Secondary | 1.2 mi | Progress 8 -0.98 · well below average (2023/24) |
| Bolton Muslim Girls School | Secondary | 1.3 mi | Progress 8 +1.06 · well above average (2023/24) |
| Mount St Joseph RC High School a Voluntary Academy | Secondary | 1.3 mi | Not in the KS4 performance tables |
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.
Ashbourne Avenue
How this home sits against its street.