| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Solar photovoltaic panels | — | £3,500 – £5,500 | £35 | 50+ yrs | +4.4 pts |
| Solar water heating | — | £4,000 – £6,000 | £29 | 50+ yrs | +3.6 pts · reaches A |
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 £64 a year — a 0.7% annual return on £9,500.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £488 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £650,613 HPI-indexed estimate, not a valuation
Griffon Lane: 13 sales since 1995 · £755,602 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Woodford Primary School | Primary | 0.3 mi | — |
| Queensgate Primary School | Primary | 1.0 mi | — |
| Lostock Hall Primary School | Primary | 1.1 mi | — |
| Poynton High School | Secondary | 2.1 mi | Progress 8 +0.29 · above average (2023/24) |
| Bramhall High School | Secondary | 2.1 mi | Progress 8 -0.08 · average (2023/24) |
| Cheadle Hulme High School | Secondary | 2.2 mi | Progress 8 +0.87 · 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.
Griffon Lane
How this home sits against its street.