| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Hot water cylinder insulation | — | £15 – £30 | £130 | 0.2 yrs | +5.1 pts |
| High-retention storage heaters | — | £800 – £1,200 | £300 | 3.3 yrs | +11.8 pts · reaches C |
| Floor insulation(optional, beyond C) | — | £800 – £1,200 | £152 | 6.6 yrs | +6.0 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
£1,118
per year at grade D
£536
per year at grade C
The full plan saves £430 a year — a 42.0% annual return on £1,023.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £666 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
19 April 2006£120,000
16 July 2001£70,000
20 July 1998£34,000
Estimated today: £211,751 HPI-indexed estimate, not a valuation
Jack Clow Road: 397 sales since 1995 · £251,784 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Jack Clow Road
How this home sits against its street.
146
graded homes
65.3
average score
C
most common grade
-9.3
this home vs street