| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Solid wall insulation | — | £4,000 – £14,000 | £143 | 50+ yrs | +6.7 pts · reaches C |
| Double glazing(optional, beyond C) | — | £3,300 – £6,500 | £48 | 50+ yrs | +2.3 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
£703
per year at grade D
£512
per year at grade C
The full plan saves £143 a year — a 1.6% annual return on £9,000.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2025, states £592 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
7 August 1997£50,441
Estimated today: £208,161 HPI-indexed estimate, not a valuation
St Stephens Avenue: 372 sales since 1995 · £859,647 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
St Stephens Avenue
How this home sits against its street.
203
graded homes
66.6
average score
C
most common grade
-1.6
this home vs street