| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Hot water cylinder insulation | — | £15 – £400 | £186 | 1.1 yrs | +4.7 pts |
| Low energy lighting | — | £25 | £10 | 2.6 yrs | +0.2 pts |
| Heating controls | — | £350 – £450 | £79 | 5.0 yrs | +2.0 pts |
| Cavity wall insulation | — | £500 – £1,500 | £163 | 6.1 yrs | +4.1 pts · reaches E |
| Room-in-roof insulation | — | £1,500 – £2,700 | £301 | 7.0 yrs | +7.6 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £134 | 19.4 yrs | +3.4 pts |
| Floor insulation | — | £4,000 – £6,000 | £218 | 22.9 yrs | +5.5 pts · reaches D |
| Solar water heating | — | £4,000 – £6,000 | £169 | 29.5 yrs | +4.3 pts |
| Solar photovoltaic panels | — | £5,000 – £8,000 | £202 | 32.2 yrs | +5.1 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 £1,463 a year — a 6.4% annual return on £22,833.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £2,109 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £357,806 HPI-indexed estimate, not a valuation
Belthorn Road: 203 sales since 1995 · £192,745 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Belthorn Academy Primary School | Primary | under 0.1 mi | — |
| Hoddlesden St Paul's Church of England Primary School | Primary | 1.4 mi | — |
| St James' Church of England Primary School | Primary | 1.5 mi | — |
| Our Lady and St John RC High School, a Voluntary Academy | Secondary | 2.0 mi | Attainment 8 37.2 · no Progress 8 published |
| Darwen Aldridge Community Academy | Secondary | 2.1 mi | Progress 8 -0.77 · well below average (2023/24) |
| Darwen Aldridge Enterprise Studio | Secondary | 2.2 mi | Progress 8 -0.82 · well 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.
Area context
Police-recorded crime for the wider neighbourhood, not this address. We grade homes, never neighbourhoods — so this is reported as a count, not a rating.
Police.uk street-level data for LSOA E01012592, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.
Belthorn Road
How this home sits against its street.