| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Low energy lighting | — | £10 | £17 | 0.6 yrs | +0.4 pts |
| Loft insulation | — | £100 – £350 | £188 | 1.2 yrs | +4.7 pts |
| High-retention storage heaters | — | £1,600 – £2,400 | £776 | 2.6 yrs | +19.3 pts · reaches D |
| Solid wall insulation | — | £4,000 – £14,000 | £426 | 21.1 yrs | +10.6 pts · reaches C |
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 £1,407 a year — a 12.5% annual return on £11,235.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2016, states £1,330 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £258,671 HPI-indexed estimate, not a valuation
Church Road: 350 sales since 1995 · £337,180 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Alec Reed Academy | All-through | 0.2 mi | Progress 8 +0.24 · above average (2023/24) |
| Gifford Primary School | Primary | 0.4 mi | — |
| Willow Tree Primary School | Primary | 0.6 mi | — |
| Islip Manor High School | Secondary | 0.7 mi | Progress 8 -0.24 · below average (2023/24) |
| Greenford High School | Secondary | 0.8 mi | Progress 8 +0.37 · above average (2023/24) |
| Barnhill Community High School | Secondary | 1.1 mi | Progress 8 +0.62 · 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.
Church Road
How this home sits against its street.