| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Low energy lighting | — | £15 | £5 | 3.0 yrs | +0.2 pts |
| Floor insulation | — | £800 – £1,200 | £116 | 8.6 yrs | +5.0 pts |
| Heating controls | — | £350 – £450 | £42 | 9.5 yrs | +1.8 pts |
| High-performance doors | — | £4,000 – £0 | £92 | 21.6 yrs | +4.0 pts · reaches C |
| Solar water heating | — | £4,000 – £6,000 | £90 | 50+ yrs | +3.9 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £125 | 50+ yrs | +5.5 pts |
| Solar photovoltaic panels | — | £9,000 – £14,000 | £107 | 50+ yrs | +4.7 pts · reaches B |
| Double glazing(optional, beyond B) | — | £3,300 – £6,500 | £42 | 50+ yrs | +1.8 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
£1,466
per year at grade D
£847
per year at grade B
The full plan saves £577 a year — a 2.0% annual return on £28,915.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2013, states £885 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
31 May 2013£180,000
24 January 2002£88,000
Estimated today: £362,118 HPI-indexed estimate, not a valuation
Alexandra Avenue: 206 sales since 1995 · £347,726 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Alexandra Avenue
How this home sits against its street.
101
graded homes
55.7
average score
D
most common grade
+3.3
this home vs street