| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation | — | £1,200 – £200 | £175 | 4.0 yrs | +6.1 pts · reaches D |
| Low energy lighting | — | £55 | £8 | 7.2 yrs | +0.3 pts |
| Cavity wall insulation | — | £1,500 – £500 | £131 | 7.6 yrs | +4.5 pts |
| Band A condensing boiler | — | £3,000 – £0 | £108 | 13.9 yrs | +3.7 pts |
| Solar water heating | — | £6,000 – £0 | £136 | 22.1 yrs | +4.7 pts · reaches C |
| Solar photovoltaic panels(optional, beyond C) | — | £8,000 – £0 | £162 | 24.6 yrs | +5.6 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
£1,931
per year at grade E
£1,211
per year at grade C
The full plan saves £558 a year — a 8.9% annual return on £6,255.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2016, states £1,328 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
27 November 2014£245,000
Estimated today: £387,417 HPI-indexed estimate, not a valuation
Thorneyfields Lane: 79 sales since 1995 · £316,411 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Thorneyfields Lane
How this home sits against its street.
35
graded homes
60.3
average score
D
most common grade
-6.3
this home vs street