| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Flat roof insulation | — | £850 – £1,500 | £89 | 13.2 yrs | +4.2 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £72 | 36.2 yrs | +3.4 pts · reaches C |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £108 | 41.6 yrs | +5.1 pts |
| Solar water heating | — | £4,000 – £6,000 | £91 | 50+ yrs | +4.3 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £126 | 50+ yrs | +6.0 pts · reaches B |
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 £486 a year — a 2.2% annual return on £22,275.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £894 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £183,542 HPI-indexed estimate, not a valuation
Lumn Road: 250 sales since 1995 · £118,371 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Endeavour Primary Academy | Primary | under 0.1 mi | — |
| Greenfield Primary Academy | Primary | 0.2 mi | — |
| St George's CofE Primary School | Primary | 0.3 mi | — |
| Alder Community High School | Secondary | 0.6 mi | Progress 8 -0.28 · below average (2023/24) |
| Hyde High School | Secondary | 1.0 mi | Not in the KS4 performance tables |
| Rayner Stephens High School | Secondary | 1.4 mi | Progress 8 -1.03 · 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.
Lumn Road
How this home sits against its street.