| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Heating controls | — | £350 – £450 | £36 | 11.1 yrs | +2.1 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £61 | 42.8 yrs | +3.5 pts · reaches C |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £92 | 49.2 yrs | +5.3 pts |
| Floor insulation | — | £4,000 – £6,000 | £99 | 50+ yrs | +5.7 pts · reaches B |
| Solar water heating(optional, beyond B) | — | £4,000 – £6,000 | £77 | 50+ yrs | +4.4 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
£1,178
per year at grade D
£814
per year at grade B
The full plan saves £287 a year — a 2.3% annual return on £12,500.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £743 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
No sale recorded for this address since 1995.
Heron Drive: 263 sales since 1995 · £168,584 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Heron Drive
How this home sits against its street.
121
graded homes
68.8
average score
C
most common grade
-2.8
this home vs street