| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| High-retention storage heaters | — | £1,200 – £1,800 | £834 | 1.8 yrs | +26.0 pts · reaches F |
| Floor insulation | — | £800 – £1,200 | £423 | 2.4 yrs | +13.2 pts · reaches E |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £392 | 11.5 yrs | +12.2 pts · reaches D |
| Solar water heating | — | £4,000 – £6,000 | £329 | 15.2 yrs | +10.3 pts · reaches C |
| Solid wall insulation | — | £4,000 – £14,000 | £458 | 19.7 yrs | +14.3 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 £2,436 a year — a 11.6% annual return on £21,000.
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: £227,203 HPI-indexed estimate, not a valuation
Green Acre Drive: 47 sales since 1995 · £258,077 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Denby Church of England Voluntary Aided First School | Primary | 0.2 mi | — |
| Denby Dale First and Nursery School | Primary | 1.4 mi | — |
| Cumberworth CofE First School | Primary | 1.4 mi | — |
| Penistone Grammar School | Secondary | 2.1 mi | Progress 8 +0.33 · above average (2023/24) |
| Shelley College, A Share Academy | Secondary | 2.2 mi | Progress 8 +0.56 · well above average (2023/24) |
| Holmfirth High School | Secondary | 4.7 mi | Progress 8 +0.72 · well 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.
Area context
Police-recorded crime for the wider neighbourhood, not this address. We grade homes, never neighbourhoods — so this is reported as a count, not a rating.
Police.uk street-level data for LSOA E01011115, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.
Green Acre Drive
How this home sits against its street.