| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation | — | £800 – £1,200 | £304 | 3.3 yrs | +11.6 pts · reaches E |
| High-retention storage heaters | — | £1,600 – £2,400 | £599 | 3.3 yrs | +22.8 pts · reaches D |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £281 | 16.0 yrs | +10.7 pts · reaches C |
| Solar water heating | — | £4,000 – £6,000 | £236 | 21.2 yrs | +9.0 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 £1,420 a year — a 11.4% annual return on £12,500.
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: £213,337 HPI-indexed estimate, not a valuation
Mountain Ash: 112 sales since 1995 · £128,289 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Meanwood Community Nursery and Primary School | Primary | 0.7 mi | — |
| Shawclough Community Primary School | Primary | 0.7 mi | — |
| Caldershaw Primary School | Primary | 0.8 mi | — |
| Falinge Park High School | Secondary | 0.9 mi | Not in the KS4 performance tables |
| Oulder Hill Leadership Academy | Secondary | 1.0 mi | Progress 8 -0.11 · average (2023/24) |
| Whitworth Community High School | Secondary | 1.7 mi | Progress 8 -0.08 · 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.
Mountain Ash
How this home sits against its street.