| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Loft insulation | — | £100 – £350 | £45 | 5.0 yrs | +2.9 pts |
| Low energy lighting | — | £35 | £4 | 8.4 yrs | +0.3 pts |
| Floor insulation | — | £800 – £1,200 | £95 | 10.5 yrs | +6.0 pts |
| Wind turbine | — | £1,500 – £4,000 | £79 | 34.9 yrs | +5.0 pts · reaches C |
| Solar water heating | — | £4,000 – £6,000 | £74 | 50+ yrs | +4.7 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £103 | 50+ yrs | +6.5 pts · reaches B |
| Solar photovoltaic panels(optional, beyond B) | — | £9,000 – £14,000 | £88 | 50+ 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
£1,199
per year at grade D
£711
per year at grade B
The full plan saves £400 a year — a 2.2% annual return on £18,010.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2014, states £804 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
25 June 2014£175,000
2 November 2006£160,000
4 January 2002£84,000
23 December 1999£59,000
Estimated today: £312,120 HPI-indexed estimate, not a valuation
Cranston Avenue: 12 sales since 1995 · £297,667 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Cranston Avenue
How this home sits against its street.
7
graded homes
59.1
average score
D
most common grade
-2.1
this home vs street