| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Draughtproofing | — | £80 – £120 | £69 | 1.5 yrs | +3.4 pts |
| Low energy lighting | — | £35 | £4 | 9.8 yrs | +0.2 pts |
| Flue gas heat recovery | — | £900 | £79 | 11.3 yrs | +4.0 pts |
| Floor insulation | — | £800 – £1,200 | £82 | 12.2 yrs | +4.1 pts · reaches C |
| Heating controls | — | £350 – £450 | £30 | 13.4 yrs | +1.5 pts |
| Cavity wall insulation | — | £500 – £1,500 | £61 | 16.4 yrs | +3.1 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £50 | 50+ yrs | +2.5 pts |
| Solar photovoltaic panels | — | £9,000 – £14,000 | £76 | 50+ yrs | +3.8 pts · reaches B |
| Double glazing(optional, beyond B) | — | £3,300 – £6,500 | £30 | 50+ yrs | +1.5 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 £450 a year — a 2.6% annual return on £17,535.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2014, states £961 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £102,687 HPI-indexed estimate, not a valuation
Letham Street: 33 sales since 1995 · £87,181 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Holy Rosary RC Primary School, a Voluntary Academy | Primary | 0.1 mi | — |
| St Martin's CofE Junior Infant and Nursery School | Primary | 0.4 mi | — |
| Medlock Valley Primary School | Primary | 0.4 mi | — |
| The Hathershaw College | Secondary | under 0.1 mi | Progress 8 -0.23 · below average (2023/24) |
| Oasis Academy Oldham | Secondary | 1.0 mi | Progress 8 -0.39 · below average (2023/24) |
| The Brian Clarke Church of England Academy | Secondary | 1.4 mi | Not in the KS4 performance tables |
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.
Letham Street
How this home sits against its street.