| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Draughtproofing | — | £80 – £120 | £143 | 0.7 yrs | +4.0 pts |
| High-performance doors | — | £1,000 – £0 | £136 | 3.7 yrs | +3.8 pts |
| Cavity wall insulation | — | £500 – £1,500 | £127 | 7.9 yrs | +3.6 pts |
| Floor insulation | — | £4,000 – £6,000 | £170 | 29.5 yrs | +4.8 pts · reaches D |
| Solid wall insulation(optional, beyond D) | — | £4,000 – £14,000 | £183 | 49.1 yrs | +5.1 pts |
| Double glazing(optional, beyond D) | — | £3,300 – £6,500 | £61 | 50+ yrs | +1.7 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 £575 a year — a 8.7% annual return on £6,600.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2021, states £1,348 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £235,450 HPI-indexed estimate, not a valuation
Houseman Crescent: 406 sales since 1995 · £311,302 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Cavendish Primary School | Primary | 0.2 mi | — |
| West Didsbury CE Primary School | Primary | 0.4 mi | — |
| St Ambrose RC Primary School | Primary | 0.6 mi | — |
| Didsbury High School | Secondary | 0.2 mi | Progress 8 +0.67 · well above average (2023/24) |
| Loreto High School Chorlton | Secondary | 0.7 mi | Progress 8 -0.07 · average (2023/24) |
| CHS South | Secondary | 0.8 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.
Houseman Crescent
How this home sits against its street.