| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation | — | £800 – £1,200 | £383 | 2.6 yrs | +9.1 pts |
| Room-in-roof insulation | — | £1,500 – £2,700 | £528 | 4.0 yrs | +12.6 pts · reaches F |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £354 | 12.7 yrs | +8.4 pts · reaches E |
| Solar water heating | — | £4,000 – £6,000 | £297 | 16.8 yrs | +7.1 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £414 | 21.7 yrs | +9.8 pts · reaches D |
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 £1,977 a year — a 9.2% annual return on £21,600.
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: £178,910 HPI-indexed estimate, not a valuation
Charlton Avenue: 69 sales since 1995 · £139,220 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Lewis Street Primary School | Primary | 0.1 mi | — |
| Holy Cross and All Saints RC Primary School | Primary | 0.3 mi | — |
| Christ Church CofE Primary School | Primary | 0.3 mi | — |
| St Patrick's RC High School | Secondary | 0.7 mi | Progress 8 +0.07 · average (2023/24) |
| Ellesmere Park High School | Secondary | 1.1 mi | Progress 8 -0.28 · below average (2023/24) |
| Salford City Academy | Secondary | 1.2 mi | Progress 8 +0.13 · 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.
Charlton Avenue
How this home sits against its street.