| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Hot water cylinder insulation | — | £15 – £30 | £148 | 0.2 yrs | +7.0 pts · reaches F |
| Draughtproofing | — | £80 – £120 | £146 | 0.7 yrs | +6.9 pts |
| Cavity wall insulation | — | £500 – £1,500 | £129 | 7.7 yrs | +6.1 pts · reaches E |
| Double glazing(optional, beyond E) | — | £3,300 – £6,500 | £63 | 50+ yrs | +3.0 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 £422 a year — a 37.6% annual return on £1,123.
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: £84,750 HPI-indexed estimate, not a valuation
Smiths Place: 4 sales since 1995
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Parklee Primary School | Primary | 0.1 mi | — |
| Chowbent Primary School | Primary | 0.2 mi | — |
| St Philip's CofE Primary School, Atherton | Primary | 0.3 mi | — |
| Atherton High School | Secondary | 0.3 mi | Progress 8 0.00 · average (2023/24) |
| Fred Longworth High School | Secondary | 0.8 mi | Progress 8 -0.29 · below average (2023/24) |
| The Westleigh School | Secondary | 1.8 mi | Progress 8 -0.81 · well 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.