| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Hot water cylinder insulation | — | £15 – £30 | £88 | 0.3 yrs | +3.1 pts |
| Draughtproofing | — | £80 – £120 | £87 | 1.2 yrs | +3.1 pts · reaches D |
| Cavity wall insulation(optional, beyond D) | — | £500 – £1,500 | £77 | 13.0 yrs | +2.8 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 £174 a year — a 141.5% annual return on £123.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2017, states £790 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 |
|---|---|---|---|
| Summerville Primary School | Primary | 0.1 mi | — |
| St Luke's RC Primary School | Primary | 0.3 mi | — |
| St John's CofE Primary School | Primary | 0.4 mi | — |
| Buile Hill Academy | Secondary | 0.4 mi | Attainment 8 42.9 · no Progress 8 published |
| All Hallows RC High School | Secondary | 0.7 mi | Progress 8 +0.25 · above average (2023/24) |
| Ellesmere Park High School | Secondary | 1.2 mi | Progress 8 -0.28 · 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.