| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Low energy lighting | — | £25 | £6 | 4.2 yrs | +0.3 pts |
| Floor insulation | — | £1,200 – £200 | £136 | 5.2 yrs | +5.8 pts |
| Cavity wall insulation | — | £1,500 – £500 | £101 | 9.9 yrs | +4.4 pts · reaches C |
| Band A condensing boiler | — | £3,000 – £0 | £83 | 18.0 yrs | +3.6 pts |
| Solar water heating | — | £6,000 – £0 | £105 | 28.5 yrs | +4.5 pts |
| Solar photovoltaic panels | — | £8,000 – £0 | £126 | 31.9 yrs | +5.4 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
£1,491
per year at grade D
£934
per year at grade B
The full plan saves £557 a year — a 5.4% annual return on £10,225.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2016, states £1,058 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
29 July 2016£193,000
26 March 1999£59,500
Estimated today: £312,793 HPI-indexed estimate, not a valuation
Dialstone Lane: 431 sales since 1995 · £274,069 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Dialstone Lane
How this home sits against its street.
232
graded homes
63.1
average score
D
most common grade
-4.1
this home vs street