| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Low energy lighting | — | £35 | £11 | 3.3 yrs | +0.3 pts |
| Room-in-roof insulation | — | £1,500 – £2,700 | £335 | 6.3 yrs | +10.6 pts · reaches D |
| Solid wall insulation | — | £4,000 – £14,000 | £262 | 34.3 yrs | +8.3 pts · reaches C |
| Double glazing(optional, beyond C) | — | £3,300 – £6,500 | £88 | 50+ yrs | +2.8 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
£1,419
per year at grade E
£724
per year at grade C
The full plan saves £607 a year — a 5.5% annual return on £11,135.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £852 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
27 July 2007£125,000
12 June 2003£120,000
28 January 1997£32,000
Estimated today: £156,532 HPI-indexed estimate, not a valuation
Southgate Street: 140 sales since 1995 · £135,650 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Southgate Street
How this home sits against its street.
266
graded homes
65.4
average score
C
most common grade
-11.4
this home vs street