| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Low energy lighting | — | £10 | £9 | 1.2 yrs | +0.3 pts |
| Loft insulation | — | £100 – £350 | £94 | 2.4 yrs | +3.4 pts |
| Heating controls | — | £350 – £450 | £72 | 5.6 yrs | +2.6 pts |
| Cavity wall insulation | — | £500 – £1,500 | £147 | 6.8 yrs | +5.3 pts · reaches C |
| Band A condensing boiler(optional, beyond C) | — | £2,200 – £3,000 | £121 | 21.5 yrs | +4.4 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
£1,141
per year at grade D
£698
per year at grade C
The full plan saves £322 a year — a 19.7% annual return on £1,635.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £674 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
7 August 2015£86,500
9 November 2012£63,000
25 March 2002£56,000
Estimated today: £115,136 HPI-indexed estimate, not a valuation
Whitbourne Avenue: 130 sales since 1995 · £178,897 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Whitbourne Avenue
How this home sits against its street.
106
graded homes
69.5
average score
C
most common grade
-9.5
this home vs street