| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Draughtproofing | — | £120 | £266 | 0.5 yrs | +4.0 pts |
| Room-in-roof insulation | — | £2,700 – £700 | £435 | 3.9 yrs | +6.5 pts |
| Heating controls | — | £450 | £115 | 3.9 yrs | +1.7 pts |
| Flat roof insulation | — | £1,500 – £500 | £239 | 4.2 yrs | +3.6 pts |
| Cavity wall insulation | — | £1,500 – £500 | £236 | 4.2 yrs | +3.5 pts · reaches D |
| Band A condensing boiler | — | £3,000 – £0 | £194 | 7.7 yrs | +2.9 pts |
| Floor insulation | — | £6,000 – £0 | £315 | 9.5 yrs | +4.7 pts |
| Low energy lighting | — | £150 | £14 | 10.9 yrs | +0.2 pts |
| Solar photovoltaic panels | — | £8,000 – £0 | £292 | 13.7 yrs | +4.3 pts · reaches C |
| Double glazing(optional, beyond C) | — | £6,500 – £500 | £114 | 30.7 yrs | +1.7 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 £2,106 a year — a 16.3% annual return on £12,920.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £2,921 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £904,079 HPI-indexed estimate, not a valuation
High Road: 315 sales since 1995 · £1,326,764 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Limes Farm Junior School | Primary | 0.9 mi | — |
| Chigwell Primary Academy | Primary | 0.9 mi | — |
| Limes Farm Infant School and Nursery | Primary | 0.9 mi | — |
| West Hatch High School | Secondary | 0.6 mi | Progress 8 +0.24 · above average (2023/24) |
| Caterham High School | Secondary | 1.7 mi | Progress 8 -0.31 · below average (2023/24) |
| King Solomon High School | Secondary | 1.7 mi | Progress 8 +0.36 · 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.
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 E01021750, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.
High Road
How this home sits against its street.