| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Cavity wall insulation | — | £900 – £1,500 | £65 | 18.3 yrs | +3.4 pts |
| Floor insulation | — | £5,000 – £10,000 | £88 | 50+ yrs | +4.5 pts · reaches C |
| Solar photovoltaic panels(optional, beyond C) | — | £8,000 – £10,000 | £81 | 50+ yrs | +4.2 pts |
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 £153 a year — a 1.8% annual return on £8,700.
Energy costs as modelled on the certificate, not a bill.
Sold prices
Estimated today: £252,350 HPI-indexed estimate, not a valuation
St Austells Drive: 71 sales since 1995 · £226,632 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| St Hilda's Church of England Primary School | Primary | 0.3 mi | — |
| St Mary's Church of England Aided Primary School, Prestwich | Primary | 0.4 mi | — |
| Park View Primary School | Primary | 0.5 mi | — |
| The Heys School | Secondary | 0.3 mi | Progress 8 -0.52 · well below average (2023/24) |
| St Monica's RC High School, a Voluntary Academy | Secondary | 0.5 mi | Progress 8 +0.21 · above average (2023/24) |
| Manchester Mesivta School | Secondary | 0.6 mi | Progress 8 -0.42 · 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.
St Austells Drive
How this home sits against its street.