| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation | — | £1,200 – £200 | £146 | 4.8 yrs | +4.0 pts |
| Loft insulation | — | £350 | £69 | 5.1 yrs | +1.9 pts |
| Heating controls | — | £450 | £53 | 8.5 yrs | +1.5 pts · reaches C |
| Cavity wall insulation | — | £1,500 – £500 | £109 | 9.2 yrs | +3.0 pts |
| Low energy lighting | — | £75 | £6 | 11.8 yrs | +0.2 pts |
| Band A condensing boiler | — | £3,000 – £0 | £89 | 16.8 yrs | +2.5 pts |
| Solar water heating | — | £6,000 – £0 | £113 | 26.6 yrs | +3.1 pts |
| Solar photovoltaic panels | — | £8,000 – £0 | £135 | 29.7 yrs | +3.7 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 £720 a year — a 6.5% annual return on £11,075.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2017, states £1,422 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £312,480 HPI-indexed estimate, not a valuation
Whittaker Drive: 32 sales since 1995 · £193,854 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Smithy Bridge Foundation Primary School | Primary | 0.2 mi | — |
| St Andrew's Church of England Primary School and Nursery | Primary | 0.7 mi | — |
| Alice Ingham Roman Catholic Primary School, A Voluntary Academy | Primary | 1.0 mi | — |
| Wardle Academy | Secondary | 1.1 mi | Progress 8 -0.49 · below average (2023/24) |
| Hollingworth Academy | Secondary | 1.5 mi | Progress 8 -0.02 · average (2023/24) |
| Kingsway Park High School | Secondary | 2.1 mi | Progress 8 -0.49 · 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.
Whittaker Drive
How this home sits against its street.