| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| High-performance doors | — | £1,000 – £0 | £112 | 4.5 yrs | +5.1 pts · reaches D |
| High-retention storage heaters | — | £1,800 – £800 | £276 | 4.7 yrs | +12.6 pts · reaches C |
| Floor insulation | — | £6,000 – £0 | £140 | 21.4 yrs | +6.4 pts |
| Solar water heating | — | £6,000 – £0 | £109 | 27.6 yrs | +5.0 pts · reaches B |
| Solar photovoltaic panels(optional, beyond B) | — | £8,000 – £0 | £130 | 30.9 yrs | +5.9 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
£1,671
per year at grade E
£905
per year at grade B
The full plan saves £636 a year — a 8.2% annual return on £7,800.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £973 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
1 August 2018£205,000
10 January 2007£148,000
10 October 2003£119,000
9 November 2001£86,500
4 October 1999£59,000
Estimated today: £250,884 HPI-indexed estimate, not a valuation
Clay Hill: 239 sales since 1995 · £215,387 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Clay Hill
How this home sits against its street.
93
graded homes
64.8
average score
D
most common grade
-11.8
this home vs street