| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Loft insulation | — | £100 – £350 | £39 | 5.8 yrs | +2.5 pts |
| Floor insulation | — | £800 – £1,200 | £81 | 12.4 yrs | +5.3 pts · reaches C |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £75 | 50+ yrs | +5.0 pts |
| Solar water heating | — | £4,000 – £6,000 | £63 | 50+ yrs | +4.2 pts · reaches B |
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
£1,290
per year at grade D
£1,033
per year at grade B
The full plan saves £257 a year — a 2.4% annual return on £10,725.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £761 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
10 November 2022£675,000
Estimated today: £650,587 HPI-indexed estimate, not a valuation
Tennison Avenue: 76 sales since 1995 · £582,380 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Tennison Avenue
How this home sits against its street.
35
graded homes
54.7
average score
D
most common grade
+11.3
this home vs street