| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation | — | £800 – £1,200 | £212 | 4.7 yrs | +11.3 pts · reaches F |
| Change of heating system | — | £3,000 – £7,000 | £604 | 8.3 yrs | +32.2 pts · reaches E |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £196 | 23.0 yrs | +10.5 pts · reaches D |
| Solar water heating | — | £4,000 – £6,000 | £164 | 30.5 yrs | +8.8 pts · reaches C |
| Solid wall insulation | — | £4,000 – £14,000 | £229 | 39.3 yrs | +12.2 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 £1,404 a year — a 5.7% annual return on £24,500.
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: £198,127 HPI-indexed estimate, not a valuation
Carmichael Street: 42 sales since 1995 · £208,699 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Alexandra Park Primary School | Primary | 0.2 mi | — |
| Lark Hill Primary School | Primary | 0.3 mi | — |
| St Matthew's Church of England Primary School | Primary | 0.4 mi | — |
| Stockport Academy | Secondary | 0.5 mi | Progress 8 +0.24 · above average (2023/24) |
| St Anne's RC Voluntary Academy | Secondary | 1.4 mi | Progress 8 -0.20 · average (2023/24) |
| Priestnall School | Secondary | 1.5 mi | Progress 8 +0.40 · 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.
Carmichael Street
How this home sits against its street.