| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Heating controls | — | £220 – £250 | £34 | 7.0 yrs | +1.3 pts |
| Flat roof insulation | — | £900 – £1,200 | £70 | 14.9 yrs | +2.8 pts |
| Cavity wall insulation | — | £900 – £1,500 | £69 | 17.3 yrs | +2.7 pts · reaches C |
| Low energy lighting(optional, beyond C) | — | £120 – £140 | £4 | 32.0 yrs | +0.2 pts |
| Floor insulation(optional, beyond C) | — | £5,000 – £10,000 | £93 | 50+ yrs | +3.6 pts |
| Solar photovoltaic panels(optional, beyond C) | — | £8,000 – £10,000 | £86 | 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 £173 a year — a 7.0% annual return on £2,485.
Energy costs as modelled on the certificate, not a bill.
Sold prices
Estimated today: £183,351 HPI-indexed estimate, not a valuation
Parkeston Crescent: 207 sales since 1995 · £160,249 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Twickenham Primary School | Primary | 0.2 mi | — |
| Kings Rise Academy | Primary | 0.6 mi | — |
| New Oscott Primary School | Primary | 0.6 mi | — |
| Cardinal Wiseman Catholic School | Secondary | 1.0 mi | Progress 8 +0.27 · above average (2023/24) |
| E-ACT North Birmingham Academy | Secondary | 1.1 mi | Progress 8 -0.32 · below average (2023/24) |
| Sutton Coldfield Grammar School for Girls | Secondary | 1.5 mi | Progress 8 +1.05 · 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.
Parkeston Crescent
How this home sits against its street.