| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Cavity wall insulation | — | £900 – £1,500 | £111 | 10.8 yrs | +2.8 pts |
| Low energy lighting | — | £210 – £245 | £7 | 35.0 yrs | +0.2 pts |
| Floor insulation | — | £5,000 – £10,000 | £149 | 50+ yrs | +3.7 pts · reaches C |
| Solar photovoltaic panels(optional, beyond C) | — | £8,000 – £10,000 | £138 | 50+ yrs | +3.4 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
The full plan saves £266 a year — a 3.0% annual return on £8,928.
Energy costs as modelled on the certificate, not a bill.
Sold prices
Estimated today: £592,275 HPI-indexed estimate, not a valuation
Connaught Avenue: 34 sales since 1995
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Acacias Community Primary School | Primary | under 0.1 mi | — |
| Cringle Brook Primary School | Primary | 0.2 mi | — |
| Mauldeth Road Primary School | Primary | 0.4 mi | — |
| Levenshulme High School | Secondary | 0.2 mi | Progress 8 +0.91 · well above average (2023/24) |
| Burnage Academy for Boys | Secondary | 0.6 mi | Progress 8 +0.85 · well above average (2023/24) |
| Manchester Enterprise Academy Central | Secondary | 0.6 mi | Progress 8 +0.27 · 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.
Connaught Avenue
How this home sits against its street.