| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Cavity wall insulation | — | £500 – £1,500 | £161 | 6.2 yrs | +4.8 pts |
| Shower heat recovery | — | £585 – £725 | £35 | 18.5 yrs | +1.0 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £233 | 38.7 yrs | +6.9 pts · reaches C |
| Double glazing(optional, beyond C) | — | £3,300 – £6,500 | £78 | 50+ yrs | +2.3 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 £429 a year — a 4.0% annual return on £10,655.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £753 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £446,371 HPI-indexed estimate, not a valuation
Cambalt Road: 301 sales since 1995 · £489,333 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Our Lady of Victories Catholic Primary School | Primary | 0.4 mi | — |
| Hotham Primary School | Primary | 0.4 mi | — |
| St Mary's CofE Nursery and Primary School | Primary | 0.6 mi | — |
| Ark Putney Academy | Secondary | 0.3 mi | Progress 8 +0.23 · above average (2023/24) |
| Ashcroft Technology Academy | Secondary | 0.6 mi | Progress 8 +1.34 · well above average (2023/24) |
| Saint Cecilia's Church of England School | Secondary | 0.9 mi | Progress 8 +0.35 · 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.
Cambalt Road
How this home sits against its street.