| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Heating controls | — | £350 – £450 | £66 | 6.1 yrs | +2.3 pts |
| Cavity wall insulation | — | £500 – £1,500 | £135 | 7.4 yrs | +4.8 pts · reaches D |
| Flat roof insulation | — | £850 – £1,500 | £138 | 8.5 yrs | +4.9 pts |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £168 | 26.8 yrs | +6.0 pts |
| Solar water heating | — | £4,000 – £6,000 | £141 | 35.6 yrs | +5.0 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 £647 a year — a 5.4% annual return on £12,075.
Energy costs as modelled on the certificate, not a bill.
Sold prices
Estimated today: £1,106,660 HPI-indexed estimate, not a valuation
Longdown Road: 76 sales since 1995 · £1,223,625 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| St Peter's CofE Primary School | Primary | 0.8 mi | — |
| Highfield South Farnham School | Primary | 1.0 mi | — |
| South Farnham School | Primary | 1.2 mi | — |
| Weydon School | Secondary | 1.1 mi | Progress 8 +0.52 · well above average (2023/24) |
| Farnham Heath End | Secondary | 2.7 mi | Progress 8 -0.20 · average (2023/24) |
| All Hallows Catholic School | Secondary | 3.0 mi | Not in the KS4 performance tables |
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 E01030882, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.
Longdown Road
How this home sits against its street.