| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Hot water cylinder insulation | — | £30 – £400 | £251 | 0.9 yrs | +6.0 pts · reaches E |
| Floor insulation | — | £1,200 – £200 | £293 | 2.4 yrs | +7.0 pts |
| Party wall insulation | — | £600 | £160 | 3.8 yrs | +3.8 pts |
| Low energy lighting | — | £50 | £13 | 3.9 yrs | +0.3 pts · reaches D |
| Heating controls | — | £450 | £107 | 4.2 yrs | +2.6 pts |
| Flat roof insulation | — | £1,500 – £500 | £223 | 4.5 yrs | +5.4 pts |
| Band A condensing boiler | — | £3,000 – £0 | £180 | 8.3 yrs | +4.3 pts |
| Double glazing | — | £1,400 – £400 | £106 | 8.5 yrs | +2.6 pts · reaches C |
| Solar photovoltaic panels | — | £5,500 – £500 | £272 | 11.0 yrs | +6.5 pts |
| Solar water heating | — | £6,000 – £0 | £228 | 13.2 yrs | +5.5 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 £1,832 a year — a 16.0% annual return on £11,415.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £1,979 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £209,240 HPI-indexed estimate, not a valuation
Castle Hill Road: 68 sales since 1995 · £366,676 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Fairfield Community Primary School | Primary | 0.1 mi | — |
| St Paul's Church of England Primary School | Primary | 0.8 mi | — |
| St Joseph and St Bede RC Primary School, a Voluntary Academy | Primary | 0.8 mi | — |
| Hazel Wood High School | Secondary | 0.7 mi | Progress 8 +0.02 · average (2023/24) |
| Holy Family Roman Catholic and Church of England College | Secondary | 1.8 mi | Progress 8 -0.32 · below average (2023/24) |
| Bury Church of England High School | Secondary | 2.0 mi | Progress 8 -0.31 · below 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.
Castle Hill Road
How this home sits against its street.