| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| High-retention storage heaters | — | £800 – £1,600 | £235 | 5.1 yrs | +15.2 pts · reaches C |
| Floor insulation | — | £5,000 – £10,000 | £119 | 50+ yrs | +7.7 pts · reaches B |
| Solar photovoltaic panels(optional, beyond B) | — | £8,000 – £10,000 | £110 | 50+ yrs | +7.1 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 £355 a year — a 4.1% annual return on £8,700.
Energy costs as modelled on the certificate, not a bill.
Sold prices
Estimated today: £206,321 HPI-indexed estimate, not a valuation
The Spinney: 351 sales since 1995 · £257,562 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Bar Hill Community Primary School | Primary | 0.3 mi | — |
| Dry Drayton CofE (C) Primary School | Primary | 0.7 mi | — |
| Oakington CofE Primary School | Primary | 2.3 mi | — |
| Swavesey Village College | Secondary | 3.3 mi | Progress 8 +0.55 · well above average (2023/24) |
| Impington Village College | Secondary | 4.2 mi | Progress 8 +0.65 · well above average (2023/24) |
| Comberton Village College | Secondary | 4.5 mi | Progress 8 +0.42 · 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 E01018221, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.
The Spinney
How this home sits against its street.