21 George Street, Hounslow TW3 4NA

Mid-Terrace house · Built 1930-1949 · 97 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £22,765 · £11,383 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£15£44.0 yrs+0.2 pts
Flue gas heat recovery£400 – £900£837.8 yrs+3.8 pts
Cavity wall insulation£500 – £1,500£6415.7 yrs+2.9 pts
Band A condensing boiler£2,200 – £3,000£5249.6 yrs+2.4 pts · reaches C
Solar photovoltaic panels£3,500 – £5,500£7950+ yrs+3.6 pts
Floor insulation£4,000 – £6,000£8550+ yrs+3.9 pts
Solid wall insulation£4,000 – £14,000£9250+ yrs+4.2 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

£1,547
per year at grade D
£1,088
per year at grade B

The full plan saves £459 a year — a 2.0% annual return on £22,765.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2021, states £940 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

4 April 2022£450,000

Estimated today: £489,721 HPI-indexed estimate, not a valuation

George Street: 28 sales since 1995 · £491,250 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Wellington Primary SchoolPrimary0.2 mi
Edison Primary SchoolPrimary0.4 mi
Westbrook Primary SchoolPrimary0.5 mi
Lampton AcademySecondary0.4 miProgress 8 +0.49 · above average (2023/24)
St Mark's Catholic SchoolSecondary0.5 miProgress 8 +1.35 · well above average (2023/24)
Heston Community SchoolSecondary0.7 miProgress 8 +0.29 · 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.

11.1
crimes a month
122
in the last 12 months
Anti-social behaviour
most common · 31% of the total

Police.uk street-level data for LSOA E01002621, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

George Street

How this home sits against its street.

17
graded homes
59.8
average score
D
most common grade
+0.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.