| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation | — | £800 – £1,200 | £150 | 6.7 yrs | +4.2 pts · reaches C |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £139 | 32.4 yrs | +3.9 pts |
| Solar water heating | — | £4,000 – £6,000 | £116 | 43.0 yrs | +3.3 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £162 | 50+ yrs | +4.6 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
£2,020
per year at grade D
£1,453
per year at grade B
The full plan saves £567 a year — a 2.9% annual return on £19,500.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2025, states £1,679 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
21 April 2017£570,000
29 May 2015£499,995
28 March 2014£450,000
9 June 2000£170,000
Estimated today: £701,107 HPI-indexed estimate, not a valuation
Rothesay Avenue: 47 sales since 1995 · £623,500 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Rothesay Avenue
How this home sits against its street.
23
graded homes
56.8
average score
D
most common grade
+9.2
this home vs street