1 Devonshire Passage, Chiswick, London W4 2DH

Semi-Detached bungalow · Built 1996-2002 · 69 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £10,935 · £5,468 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£35£311.2 yrs+0.3 pts
Floor insulation£800 – £1,200£7114.0 yrs+5.8 pts · reaches C
Heating controls£350 – £450£2615.4 yrs+2.1 pts
Solar photovoltaic panels£3,500 – £5,500£6650+ yrs+5.4 pts
Solar water heating£4,000 – £6,000£5550+ yrs+4.5 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

£1,137
per year at grade D
£915
per year at grade B

The full plan saves £222 a year — a 2.0% annual return on £10,935.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £1,274 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

Schools nearby

The schools’ own performance — Progress 8 shows value added, not just raw results.

SchoolPhaseDistanceProgress
The William Hogarth Primary SchoolPrimaryunder 0.1 mi
St Mary's Catholic Primary School ,ChiswickPrimaryunder 0.1 mi
Cavendish Primary SchoolPrimary0.4 mi
Chiswick SchoolSecondary0.4 miProgress 8 +0.45 · above average (2023/24)
West London Free SchoolSecondary1.0 miProgress 8 +0.96 · well above average (2023/24)
Hammersmith AcademySecondary1.4 miProgress 8 +0.25 · 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.

8.8
crimes a month
88
in the last 12 months
Anti-social behaviour
most common · 24% of the total

Police.uk street-level data for LSOA E01002690, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.