| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Draughtproofing | — | £80 – £120 | £137 | 0.7 yrs | +4.5 pts |
| Loft insulation | — | £100 – £350 | £77 | 2.9 yrs | +2.6 pts |
| Floor insulation | — | £800 – £1,200 | £163 | 6.2 yrs | +5.4 pts · reaches C |
| Low energy lighting | — | £50 | £7 | 7.0 yrs | +0.2 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £100 | 26.0 yrs | +3.3 pts |
| Solar water heating | — | £4,000 – £6,000 | £126 | 39.6 yrs | +4.2 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £176 | 50+ yrs | +5.8 pts · reaches B |
| Solar photovoltaic panels(optional, beyond B) | — | £9,000 – £14,000 | £150 | 50+ yrs | +5.0 pts |
| Double glazing(optional, beyond B) | — | £3,300 – £6,500 | £59 | 50+ yrs | +2.0 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 £786 a year — a 4.4% annual return on £17,975.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £1,033 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £1,287,316 HPI-indexed estimate, not a valuation
Sharsted Street: 58 sales since 1995 · £1,028,927 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Keyworth Primary School | Primary | under 0.1 mi | — |
| St Paul's Church of England Primary School | Primary | 0.3 mi | — |
| Henry Fawcett Primary School | Primary | 0.3 mi | — |
| Lilian Baylis Technology School | Secondary | 0.6 mi | Progress 8 +0.01 · average (2023/24) |
| Ark All Saints Academy | Secondary | 0.6 mi | Progress 8 +0.44 · above average (2023/24) |
| South Bank University Academy | Secondary | 0.7 mi | Progress 8 -0.16 · 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.
Sharsted Street
How this home sits against its street.