| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Solid wall insulation | — | £7,500 – £11,000 | £122 | 50+ yrs | +4.8 pts |
| Solar photovoltaic panels | — | £8,000 – £10,000 | £104 | 50+ yrs | +4.2 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
£1,112
per year at grade C
£886
per year at grade B
The full plan saves £226 a year — a 1.2% annual return on £18,250.
Energy costs as modelled on the certificate, not a bill.
Sold prices
9 January 2026£80,000
Estimated today: £81,488 HPI-indexed estimate, not a valuation
Schools nearby
The DfE register covers England. Welsh schools are held in a separate Welsh Government register, which we have not ingested yet.