| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Floor insulation | — | £800 – £1,200 | £53 | 19.0 yrs | +5.2 pts |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £49 | 50+ yrs | +4.8 pts · reaches B |
| Solar water heating(optional, beyond B) | — | £4,000 – £6,000 | £41 | 50+ yrs | +4.0 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
£1,072
per year at grade C
£930
per year at grade B
The full plan saves £101 a year — a 1.8% annual return on £5,500.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £1,480 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
19 February 2016£162,500
Estimated today: £259,186 HPI-indexed estimate, not a valuation
Downham Road South: 145 sales since 1995 · £265,524 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Downham Road South
How this home sits against its street.
74
graded homes
62.6
average score
D
most common grade
+9.4
this home vs street