| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Draughtproofing | — | £80 – £120 | £335 | 0.3 yrs | +3.8 pts |
| Cavity wall insulation | — | £500 – £1,500 | £297 | 3.4 yrs | +3.3 pts · reaches D |
| Room-in-roof insulation(optional, beyond D) | — | £1,500 – £2,700 | £548 | 3.8 yrs | +6.2 pts |
| Solar photovoltaic panels(optional, beyond D) | — | £3,500 – £5,500 | £367 | 12.2 yrs | +4.1 pts |
| Double glazing(optional, beyond D) | — | £3,300 – £6,500 | £144 | 34.1 yrs | +1.6 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 £631 a year — a 57.4% annual return on £1,100.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2025, states £4,681 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £1,373,737 HPI-indexed estimate, not a valuation
Winster Avenue: 4 sales since 1995
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| St Ambrose RC Primary School | Primary | 0.3 mi | — |
| Cavendish Primary School | Primary | 0.5 mi | — |
| West Didsbury CE Primary School | Primary | 0.7 mi | — |
| Didsbury High School | Secondary | 0.5 mi | Progress 8 +0.67 · well above average (2023/24) |
| Loreto High School Chorlton | Secondary | 0.8 mi | Progress 8 -0.07 · average (2023/24) |
| CHS South | Secondary | 1.0 mi | Progress 8 -0.14 · 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.
Winster Avenue
How this home sits against its street.