| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Hot water cylinder insulation | — | £15 – £400 | £172 | 1.2 yrs | +6.3 pts |
| Low energy lighting | — | £25 | £9 | 2.8 yrs | +0.3 pts |
| Floor insulation | — | £800 – £1,200 | £201 | 5.0 yrs | +7.4 pts · reaches D |
| Heating controls | — | £350 – £450 | £73 | 5.5 yrs | +2.7 pts |
| Band A condensing boiler | — | £2,200 – £3,000 | £123 | 21.1 yrs | +4.6 pts |
| Solar water heating | — | £4,000 – £6,000 | £156 | 32.1 yrs | +5.8 pts · reaches C |
| Solar photovoltaic panels | — | £5,000 – £8,000 | £186 | 35.0 yrs | +6.9 pts |
| Solid wall insulation | — | £4,000 – £14,000 | £217 | 41.4 yrs | +8.0 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
£2,017
per year at grade E
£880
per year at grade B
The full plan saves £1,137 a year — a 4.6% annual return on £24,733.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2017, states £1,371 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
7 September 2021£145,000
1 March 2017£117,000
12 October 2006£104,000
29 August 2001£46,995
26 May 2000£35,000
Estimated today: £163,287 HPI-indexed estimate, not a valuation
Harcourt Street: 51 sales since 1995 · £133,410 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Harcourt Street
How this home sits against its street.
20
graded homes
57.3
average score
D
most common grade
-15.3
this home vs street