| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Hot water cylinder insulation | — | £15 – £30 | £195 | 0.1 yrs | +5.7 pts |
| Loft insulation | — | £100 – £350 | £109 | 2.1 yrs | +3.2 pts · reaches E |
| Floor insulation | — | £800 – £1,200 | £228 | 4.4 yrs | +6.6 pts |
| Flat roof insulation | — | £850 – £1,500 | £173 | 6.8 yrs | +5.0 pts |
| Shower heat recovery | — | £585 – £725 | £38 | 17.4 yrs | +1.1 pts |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £211 | 21.3 yrs | +6.1 pts · reaches D |
| Solar water heating | — | £4,000 – £6,000 | £177 | 28.2 yrs | +5.1 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £247 | 36.4 yrs | +7.2 pts · reaches C |
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 £1,379 a year — a 6.4% annual return on £21,578.
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: £521,877 HPI-indexed estimate, not a valuation
Gloucester Road: 142 sales since 1995 · £324,995 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Malmesbury Church of England Primary School | Primary | 0.2 mi | — |
| St Joseph's Catholic Primary School, Malmesbury | Primary | 0.3 mi | — |
| Lea and Garsdon Church of England Primary School | Primary | 1.9 mi | — |
| Malmesbury School | Secondary | 0.5 mi | Progress 8 +0.34 · above average (2023/24) |
| Sir William Romney's School | Secondary | 4.7 mi | Progress 8 -0.17 · average (2023/24) |
| Hardenhuish School | Secondary | 8.3 mi | Progress 8 +0.14 · 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.
Area context
Police-recorded crime for the wider neighbourhood, not this address. We grade homes, never neighbourhoods — so this is reported as a count, not a rating.
Police.uk street-level data for LSOA E01031948, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.
Gloucester Road
How this home sits against its street.