| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Flat roof insulation | — | £900 – £1,200 | £149 | 7.1 yrs | +4.4 pts · reaches E |
| Band A condensing boiler | — | £2,200 – £3,500 | £120 | 23.7 yrs | +3.6 pts |
| High-performance doors | — | £3,600 – £4,800 | £157 | 26.8 yrs | +4.6 pts |
| Floor insulation | — | £5,000 – £10,000 | £196 | 38.3 yrs | +5.8 pts · reaches D |
| Solid wall insulation(optional, beyond D) | — | £7,500 – £11,000 | £212 | 43.7 yrs | +6.3 pts |
| Solar photovoltaic panels(optional, beyond D) | — | £8,000 – £10,000 | £181 | 49.7 yrs | +5.4 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
£2,482
per year at grade F
£1,468
per year at grade D
The full plan saves £621 a year — a 4.0% annual return on £15,600.
Energy costs as modelled on the certificate, not a bill.
Sold prices
23 June 2000£152,500
6 September 1996£98,000
Estimated today: £509,937 HPI-indexed estimate, not a valuation
Ivinghoe Way: 7 sales since 1995 · £442,500 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Ivinghoe Way
How this home sits against its street.
4
graded homes
44.5
average score
E
most common grade
-7.5
this home vs street