| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Party wall insulation | — | £300 – £600 | £246 | 1.8 yrs | +5.3 pts |
| Floor insulation | — | £800 – £1,200 | £452 | 2.2 yrs | +9.8 pts · reaches F |
| Low energy lighting | — | £45 | £20 | 2.3 yrs | +0.4 pts |
| Cavity wall insulation | — | £500 – £1,500 | £338 | 3.0 yrs | +7.3 pts |
| Change of heating system | — | £3,000 – £7,000 | £1,290 | 3.9 yrs | +27.9 pts · reaches D |
| Double glazing | — | £1,000 – £1,400 | £164 | 7.3 yrs | +3.5 pts |
| Solar photovoltaic panels | — | £3,500 – £5,500 | £419 | 10.8 yrs | +9.1 pts · reaches C |
| Solar water heating | — | £4,000 – £6,000 | £351 | 14.3 yrs | +7.6 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 £3,279 a year — a 18.0% annual return on £18,195.
Energy costs as modelled on the certificate, not a bill. This fuel has too few recent certificates to restate at today's prices.
Sold prices
Estimated today: £50,632 HPI-indexed estimate, not a valuation
South Square: 10 sales since 1995 · £98,000 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Devonshire Primary Academy | Primary | under 0.1 mi | — |
| St Kentigern's Catholic Primary School | Primary | 0.2 mi | — |
| Blackpool St John's Church of England Primary School | Primary | 0.5 mi | — |
| St Mary's Catholic Academy | Secondary | 0.7 mi | Progress 8 -0.70 · well below average (2023/24) |
| Blackpool Aspire Academy | Secondary | 1.4 mi | Progress 8 -1.31 · well below average (2023/24) |
| South Shore Academy | Secondary | 1.8 mi | Not in the KS4 performance tables |
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.
Area context
Police-recorded crime for the wider neighbourhood, not this address. We grade homes, never neighbourhoods — so this is reported as a count, not a rating.
Police.uk street-level data for LSOA E01012676, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.
South Square
How this home sits against its street.