| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Hot water cylinder insulation | — | £15 – £30 | £112 | 0.2 yrs | +4.7 pts |
| Loft insulation | — | £100 – £350 | £62 | 3.6 yrs | +2.6 pts · reaches D |
| Cavity wall insulation | — | £500 – £1,500 | £98 | 10.2 yrs | +4.1 pts |
| Flat roof insulation | — | £850 – £1,500 | £99 | 11.8 yrs | +4.1 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £80 | 32.3 yrs | +3.3 pts |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £121 | 37.1 yrs | +5.0 pts · reaches C |
| Floor insulation | — | £4,000 – £6,000 | £131 | 38.2 yrs | +5.4 pts |
| Solar water heating | — | £4,000 – £6,000 | £102 | 49.2 yrs | +4.2 pts · reaches B |
| Wind turbine(optional, beyond B) | — | £15,000 – £25,000 | £108 | 50+ yrs | +4.5 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 £806 a year — a 4.1% annual return on £19,523.
Energy costs as modelled on the certificate, not a bill.
Sold prices
Estimated today: £635,347 HPI-indexed estimate, not a valuation
The Common: 7 sales since 1995
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Rowde CofE Academy | Primary | 1.1 mi | — |
| St Nicholas Church of England Primary School, Bromham | Primary | 1.5 mi | — |
| Seend Church of England Primary School | Primary | 1.8 mi | — |
| Melksham Oak Community School | Secondary | 2.9 mi | Progress 8 -0.32 · below average (2023/24) |
| Devizes School | Secondary | 3.0 mi | Progress 8 +0.27 · above average (2023/24) |
| Kingsbury Green Academy | Secondary | 5.0 mi | Progress 8 -0.24 · 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.
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 E01031845, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.
The Common
How this home sits against its street.