| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Draughtproofing | — | £80 – £120 | £169 | 0.6 yrs | +4.9 pts · reaches E |
| Loft insulation | — | £100 – £350 | £96 | 2.4 yrs | +2.8 pts |
| Low energy lighting | — | £25 | £9 | 2.8 yrs | +0.3 pts |
| Party wall insulation | — | £300 – £600 | £109 | 4.1 yrs | +3.2 pts |
| High-retention storage heaters | — | £2,000 – £3,000 | £395 | 6.3 yrs | +11.5 pts · reaches D |
| Cavity wall insulation | — | £500 – £1,500 | £150 | 6.7 yrs | +4.4 pts |
| Floor insulation | — | £800 – £6,000 | £201 | 16.9 yrs | +5.9 pts · reaches C |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £186 | 24.2 yrs | +5.4 pts |
| Solar water heating | — | £4,000 – £6,000 | £156 | 32.1 yrs | +4.5 pts |
| Double glazing | — | £3,300 – £6,500 | £73 | 50+ yrs | +2.1 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
The full plan saves £1,543 a year — a 7.0% annual return on £22,100.
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2021, states £1,806 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
No sale recorded for this address since 1995.
The Coombes: 88 sales since 1995 · £268,152 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Polperro Primary Academy | Primary | 0.5 mi | — |
| Pelynt Primary Academy | Primary | 2.4 mi | — |
| Looe Primary Academy | Primary | 3.8 mi | — |
| Looe Community Academy | Secondary | 3.9 mi | Progress 8 -0.75 · well below average (2023/24) |
| Fowey River Academy | Secondary | 5.4 mi | Progress 8 -0.22 · below average (2023/24) |
| Liskeard School and Community College | Secondary | 9.0 mi | Progress 8 -0.09 · average (2023/24) |
Schools from the DfE register, performance from the KS4 performance tables. Progress 8 is a GCSE measure, so primaries have none. Distance is straight-line from the postcode, not a catchment: admission is decided by the school, not by us.
The Coombes
How this home sits against its street.