Upgrade Plan
Get upgrade quotes| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Low energy lighting(optional, beyond C) | — | £10 | £2 | 4.2 yrs | +0.1 pts |
| High-retention storage heaters(optional, beyond C) | — | £1,800 – £800 | £108 | 12.1 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
Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £476 a year at the prices assumed then. Modelled costs, not a bill.
Sold prices
Estimated today: £250,560 HPI-indexed estimate, not a valuation
Harriet Drive: 95 sales since 1995 · £215,286 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| St William of Perth Roman Catholic Primary School | Primary | 0.4 mi | — |
| St Peter's Infant School | Primary | 0.6 mi | — |
| The Pilgrim School (A Church of England Primary With Nursery) | Primary | 0.6 mi | — |
| The Rochester Grammar School | Secondary | 0.6 mi | Progress 8 +0.67 · well above average (2023/24) |
| Sir Joseph Williamson's Mathematical School | Secondary | 0.7 mi | Progress 8 +0.90 · well above average (2023/24) |
| St John Fisher Catholic Comprehensive School | Secondary | 0.8 mi | Progress 8 -0.55 · well below 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.
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 E01016129, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.
Harriet Drive
How this home sits against its street.