| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Loft insulation | — | £100 – £350 | £26 | 8.8 yrs | +2.4 pts |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £50 | 50+ yrs | +4.7 pts |
| Floor insulation | — | £4,000 – £6,000 | £54 | 50+ yrs | +5.0 pts · reaches B |
| Solar water heating(optional, beyond B) | — | £4,000 – £6,000 | £42 | 50+ yrs | +3.9 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
£1,061
per year at grade C
£890
per year at grade B
The full plan saves £129 a year — a 1.3% annual return on £9,725.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2025, states £893 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
22 August 2025£240,000
Estimated today: £246,646 HPI-indexed estimate, not a valuation
Polperro Way: 421 sales since 1995 · £169,748 average over 10 years
Schools nearby
No school in the register within reach of this postcode.
Polperro Way
How this home sits against its street.
152
graded homes
64.7
average score
D
most common grade
+6.3
this home vs street