| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Flue gas heat recovery | — | £400 – £900 | £74 | 8.7 yrs | +4.1 pts |
| Low energy lighting | — | £50 | £3 | 15.0 yrs | +0.2 pts |
| Double glazing | — | £1,000 – £1,400 | £28 | 43.4 yrs | +1.5 pts · reaches C |
| Band A condensing boiler | — | £2,200 – £3,000 | £47 | 50+ yrs | +2.6 pts |
| Floor insulation | — | £4,000 – £6,000 | £76 | 50+ yrs | +4.2 pts |
| Solar photovoltaic panels | — | £5,000 – £8,000 | £71 | 50+ yrs | +3.9 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £83 | 50+ yrs | +4.5 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 £382 a year — a 1.5% annual return on £25,000.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £819 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £304,556 HPI-indexed estimate, not a valuation
Ashbury Drive: 129 sales since 1995 · £293,362 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Worlebury St Pauls Church School | Primary | 0.3 mi | — |
| Milton Park Primary School | Primary | 0.4 mi | — |
| Kewstoke Primary School | Primary | 0.5 mi | — |
| Worle Community School | Secondary | 1.1 mi | Progress 8 -0.33 · below average (2023/24) |
| Winterstoke Hundred Academy | Secondary | 1.4 mi | Attainment 8 40.1 · no Progress 8 published |
| Hans Price Academy | Secondary | 1.5 mi | Progress 8 +0.22 · 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.
Ashbury Drive
How this home sits against its street.