| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Flat roof insulation | — | £850 – £1,500 | £187 | 6.3 yrs | +6.2 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £266 | 33.9 yrs | +8.8 pts · reaches C |
| Double glazing(optional, beyond C) | — | £3,300 – £6,500 | £89 | 50+ yrs | +3.0 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
£1,171
per year at grade D
£630
per year at grade C
The full plan saves £452 a year — a 4.4% annual return on £10,175.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £738 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
28 October 2011£315,000
14 June 2007£200,000
Estimated today: £484,037 HPI-indexed estimate, not a valuation
Schools nearby
No school in the register within reach of this postcode.