Upgrade Plan
Get upgrade quotes| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Cavity wall insulation(optional, beyond D) | — | £100 – £300 | £24 | 8.2 yrs | +0.8 pts |
| Low energy lighting(optional, beyond D) | — | £15 | £1 | 10.5 yrs | +0.0 pts |
| Heating controls(optional, beyond D) | — | £350 – £450 | £12 | 33.6 yrs | +0.4 pts |
| Wind turbine(optional, beyond D) | — | £1,500 – £4,000 | £27 | 50+ yrs | +0.9 pts |
| Solar water heating(optional, beyond D) | — | £4,000 – £6,000 | £25 | 50+ yrs | +0.8 pts |
| Solid wall insulation(optional, beyond D) | — | £5,500 – £14,500 | £35 | 50+ yrs | +1.1 pts |
| Solar photovoltaic panels(optional, beyond D) | — | £11,000 – £20,000 | £30 | 50+ yrs | +1.0 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
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2011, states £718 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £771,111 HPI-indexed estimate, not a valuation
Flint Cottages: 3 sales since 1995
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| St Paul's Church of England Voluntary Aided Primary School, Chipperfield | Primary | 0.1 mi | — |
| Sarratt Church of England Primary School | Primary | 1.5 mi | — |
| Kings Langley Primary School | Primary | 1.7 mi | — |
| Kings Langley School | Secondary | 1.5 mi | Progress 8 +0.07 · average (2023/24) |
| St Clement Danes School | Secondary | 3.0 mi | Progress 8 +0.74 · well above average (2023/24) |
| The Hemel Hempstead School | Secondary | 3.2 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 E01023375, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.