| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation | — | £1,200 – £200 | £198 | 3.5 yrs | +8.6 pts · reaches F |
| Flue gas heat recovery | — | £900 | £192 | 4.7 yrs | +8.4 pts |
| Change of heating system | — | £7,000 – £0 | £564 | 6.2 yrs | +24.5 pts · reaches E |
| Heating controls | — | £450 | £72 | 6.2 yrs | +3.1 pts · reaches D |
| Cavity wall insulation | — | £1,500 – £500 | £148 | 6.8 yrs | +6.4 pts |
| Low energy lighting | — | £75 | £9 | 8.7 yrs | +0.4 pts |
| Solar water heating | — | £6,000 – £0 | £153 | 19.6 yrs | +6.7 pts · reaches C |
| Solar photovoltaic panels(optional, beyond C) | — | £8,000 – £0 | £183 | 21.9 yrs | +8.0 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
The full plan saves £1,336 a year — a 13.9% annual return on £9,625.
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: £180,210 HPI-indexed estimate, not a valuation
Ascot Avenue: 66 sales since 1995 · £136,131 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Rimrose Hope CofE Primary School | Primary | 0.3 mi | — |
| English Martyrs' Catholic Primary School | Primary | 0.4 mi | — |
| Our Lady Star of the Sea Catholic Primary School | Primary | 0.4 mi | — |
| Litherland High School | Secondary | 1.1 mi | Progress 8 -0.68 · well below average (2023/24) |
| King's Leadership Academy Hawthornes | Secondary | 1.1 mi | Progress 8 -0.57 · well below average (2023/24) |
| Sacred Heart Catholic Academy | Secondary | 1.2 mi | Progress 8 -0.75 · well below 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 E01006978, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.
Ascot Avenue
How this home sits against its street.