| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| High-retention storage heaters | — | £1,200 – £1,800 | £775 | 1.9 yrs | +17.3 pts · reaches D |
| Solid wall insulation | — | £4,000 – £14,000 | £425 | 21.2 yrs | +9.5 pts · reaches C |
| Double glazing(optional, beyond C) | — | £3,300 – £6,500 | £142 | 34.4 yrs | +3.2 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 £1,200 a year — a 11.4% annual return on £10,500.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2021, states £1,552 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
No sale recorded for this address since 1995.
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| St Michael's Church of England Primary School | Primary | 0.2 mi | — |
| Windhill21 | Primary | 0.3 mi | — |
| Northgate Primary School | Primary | 0.5 mi | — |
| St Mary's Catholic School | Secondary | 0.3 mi | Progress 8 +0.43 · above average (2023/24) |
| TLC Live Online School | Secondary | 0.5 mi | Not in the KS4 performance tables |
| Hockerill Anglo-European College | Secondary | 0.5 mi | Progress 8 +0.38 · 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.