1 Devoncroft Gardens, Twickenham TW1 3PB

End-Terrace house · Built 1900-1929 · 79 m² · Boiler and radiators, mains gas

Upgrade Plan

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MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting(optional, beyond E)£20 – £45typical£149.3 yrs+0.0 pts
Solar water heating(optional, beyond E)£5,000typical£1250+ yrs+0.5 pts
Solar photovoltaic panels(optional, beyond E)£4,500 – £9,000typical£1450+ yrs+0.6 pts
Solid wall insulation(optional, beyond E)£9,000typical£1650+ yrs+0.7 pts
Double glazing(optional, beyond E)£1,200 – £4,900typical£550+ yrs+0.2 pts

Grants verified 20 August 2026. Costs are the register’s indicative ranges, except where marked typical, which this certificate did not price and which are taken instead from comparable homes of the same type. 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

£1,693
per year at grade E
£1,645
per year at grade E

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2009, states £1,021 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

16 December 2009£495,000
17 August 2006£432,500
17 December 1999£250,000
16 March 1998£190,000

Estimated today: £1,017,239 HPI-indexed estimate, not a valuation

Devoncroft Gardens: 47 sales since 1995 · £866,467 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Mary's Church of England Primary SchoolPrimaryunder 0.1 mi
St Richard Reynolds Catholic Primary SchoolPrimary0.4 mi
Orleans Primary SchoolPrimary0.4 mi
Orleans Park SchoolSecondary0.4 miProgress 8 +0.88 · well above average (2023/24)
St Richard Reynolds Catholic High SchoolSecondary0.4 miProgress 8 +0.66 · well above average (2023/24)
The Richmond upon Thames SchoolSecondary0.6 miProgress 8 +0.06 · 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.

42
crimes a month
462
in the last 12 months
Shoplifting
most common · 27% of the total

Police.uk street-level data for LSOA E01003896, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Devoncroft Gardens

How this home sits against its street.

14
graded homes
61.7
average score
D
most common grade
-15.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.