Upgrade Plan
Get upgrade quotes| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Loft insulation(optional, beyond G) | — | £100 – £300 | £24 | 8.4 yrs | +0.2 pts |
| Change of heating system(optional, beyond G) | — | £3,000 – £7,000 | £142 | 35.2 yrs | +1.2 pts |
| Wind turbine(optional, beyond G) | — | £1,500 – £4,000 | £41 | 50+ yrs | +0.3 pts |
| Solar water heating(optional, beyond G) | — | £4,000 – £6,000 | £39 | 50+ yrs | +0.3 pts |
| Solid wall insulation(optional, beyond G) | — | £5,500 – £14,500 | £54 | 50+ yrs | +0.4 pts |
| Double glazing(optional, beyond G) | — | £2,500 – £6,500 | £18 | 50+ yrs | +0.1 pts |
| Solar photovoltaic panels(optional, beyond G) | — | £11,000 – £20,000 | £46 | 50+ yrs | +0.4 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
Energy costs as modelled on the certificate, not a bill. This fuel has too few recent certificates to restate at today's prices.
Sold prices
Estimated today: £560,775 HPI-indexed estimate, not a valuation
Navestockside: 18 sales since 1995 · £817,000 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Bentley St Paul's Church of England Primary School | Primary | 0.6 mi | — |
| Kelvedon Hatch Community Primary School | Primary | 1.1 mi | — |
| Larchwood Primary School | Primary | 1.8 mi | — |
| Becket Keys Church of England Free School | Secondary | 2.6 mi | Progress 8 +0.42 · above average (2023/24) |
| Drapers' Academy | Secondary | 3.1 mi | Progress 8 -0.13 · average (2023/24) |
| Brentwood Ursuline Convent High School | Secondary | 3.2 mi | Progress 8 +1.01 · well 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 E01021443, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.
Navestockside
How this home sits against its street.