| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Flue gas heat recovery | — | £400 – £900 | £82 | 7.9 yrs | +4.7 pts |
| Low energy lighting | — | £35 | £4 | 9.5 yrs | +0.2 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £52 | 50+ yrs | +3.0 pts |
| Floor insulation | — | £4,000 – £6,000 | £85 | 50+ yrs | +4.8 pts · reaches C |
| Solar water heating | — | £4,000 – £6,000 | £66 | 50+ yrs | +3.7 pts |
| Solar photovoltaic panels | — | £5,000 – £8,000 | £78 | 50+ yrs | +4.4 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £91 | 50+ yrs | +5.2 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 £458 a year — a 1.6% annual return on £28,785.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2017, states £901 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £79,814 HPI-indexed estimate, not a valuation
Potter Street: 132 sales since 1995 · £90,137 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Worksop Priory Church of England Primary Academy | Primary | 0.2 mi | — |
| Holy Family Catholic Primary School | Primary | 0.5 mi | — |
| St Anne's CofE Primary School | Primary | 0.6 mi | — |
| Outwood Academy Portland | Secondary | 0.5 mi | Progress 8 +0.01 · average (2023/24) |
| Outwood Academy Valley | Secondary | 1.2 mi | Progress 8 +0.05 · average (2023/24) |
| Dinnington High School | Secondary | 6.1 mi | Attainment 8 42.3 · no Progress 8 published |
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.
Potter Street
How this home sits against its street.