Upgrade Plan
Get upgrade quotesThis certificate lists these measures but records the same score with and without them, so there is no saving or rating gain to attribute to any one of them. That usually means the assessment was incomplete — here the assessor recorded no heating system at all. The costs below are real; a fresh assessment would be the way to find the gain.
| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Low energy lighting | — | £60 – £70 | — | — | — |
Grants verified 20 August 2026. Costs are the register’s indicative ranges.
Running costs
Energy costs as modelled on the certificate, not a bill.
Sold prices
Estimated today: £100,353 HPI-indexed estimate, not a valuation
Cowper Street: 366 sales since 1995 · £230,145 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Tennyson Road Primary School | Primary | under 0.1 mi | — |
| Cutenhoe Hill Primary School ( Formerly Surrey Street) | Primary | 0.4 mi | — |
| Hillborough Infant and Nursery School | Primary | 0.4 mi | — |
| Chiltern Academy | Secondary | 0.6 mi | Progress 8 +0.38 · above average (2023/24) |
| The Stockwood Park Academy | Secondary | 1.0 mi | Progress 8 -0.21 · below average (2023/24) |
| Denbigh High School | Secondary | 1.4 mi | Progress 8 +0.80 · well above 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 E01033807, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.
Cowper Street
How this home sits against its street.