| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Solar photovoltaic panels | — | £3,500 – £5,500 | £54 | 50+ yrs | +4.8 pts |
| Floor insulation | — | £4,000 – £6,000 | £59 | 50+ yrs | +5.2 pts |
| Solar water heating | — | £4,000 – £6,000 | £46 | 50+ yrs | +4.0 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 £159 a year — a 1.1% annual return on £14,500.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £1,593 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £238,294 HPI-indexed estimate, not a valuation
Thornleigh Drive: 109 sales since 1995 · £271,725 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Millbridge, A Share Primary Academy | Primary | 0.2 mi | — |
| Headlands Church of England Voluntary Controlled Junior, Infant and Nursery School | Primary | 0.5 mi | — |
| Littletown Junior Infant and Nursery School | Primary | 0.6 mi | — |
| Heckmondwike Grammar School | Secondary | 0.7 mi | Progress 8 +1.00 · well above average (2023/24) |
| Spen Valley High School | Secondary | 0.7 mi | Progress 8 -0.77 · well below average (2023/24) |
| The Mirfield Free Grammar | Secondary | 2.0 mi | Progress 8 -0.40 · below 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.
Thornleigh Drive
How this home sits against its street.