| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Heating controls | — | £350 – £450 | £148 | 2.7 yrs | +2.0 pts |
| Cavity wall insulation | — | £500 – £1,500 | £303 | 3.3 yrs | +4.1 pts |
| Room-in-roof insulation | — | £1,500 – £2,700 | £560 | 3.8 yrs | +7.6 pts · reaches E |
| Flat roof insulation | — | £850 – £1,500 | £308 | 3.8 yrs | +4.2 pts |
| Low energy lighting | — | £120 | £18 | 6.8 yrs | +0.2 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £249 | 10.4 yrs | +3.4 pts |
| Floor insulation | — | £4,000 – £6,000 | £406 | 12.3 yrs | +5.5 pts |
| Solar water heating | — | £4,000 – £6,000 | £315 | 15.9 yrs | +4.3 pts · reaches D |
| Solar photovoltaic panels | — | £5,000 – £8,000 | £376 | 17.3 yrs | +5.1 pts |
| Double glazing | — | £3,300 – £6,500 | £147 | 33.4 yrs | +2.0 pts |
| Wind turbine | — | £15,000 – £25,000 | £336 | 50+ yrs | +4.6 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 £3,165 a year — a 6.5% annual return on £48,795.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £3,828 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £876,067 HPI-indexed estimate, not a valuation
The Street: 80 sales since 1995 · £418,479 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Rushmere Hall Primary School | Primary | 1.4 mi | — |
| Sidegate Primary School | Primary | 1.9 mi | — |
| St John's Church of England Voluntary Aided Primary School, Ipswich | Primary | 2.1 mi | — |
| Northgate High School | Secondary | 1.6 mi | Progress 8 +0.35 · above average (2023/24) |
| St Alban's Catholic High School | Secondary | 2.0 mi | Progress 8 +0.13 · average (2023/24) |
| Copleston High School | Secondary | 2.6 mi | Progress 8 +0.34 · 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.
The Street
How this home sits against its street.