| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation | — | £1,200 – £200 | £83 | 8.4 yrs | +5.0 pts · reaches C |
| Low energy lighting | — | £45 | £4 | 12.3 yrs | +0.2 pts |
| Solar photovoltaic panels | — | £5,500 – £500 | £77 | 38.9 yrs | +4.6 pts |
| Solar water heating | — | £6,000 – £0 | £65 | 46.4 yrs | +3.9 pts |
| Solid wall insulation | — | £14,000 – £0 | £90 | 50+ yrs | +5.4 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
£1,186
per year at grade D
£867
per year at grade B
The full plan saves £319 a year — a 2.3% annual return on £13,745.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £751 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
20 June 2025£148,000
Estimated today: £157,583 HPI-indexed estimate, not a valuation
Tredworth Road: 220 sales since 1995 · £164,318 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Tredworth Road
How this home sits against its street.
132
graded homes
62.7
average score
D
most common grade
+2.3
this home vs street