Flat 3, 12 Walpole Gardens, London, W4 4HG
About Flat 3
Flat 3 is a semi-detached house in London (W4 4HG). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1900-1929 and council tax band D. At 52 m² this is the largest unit on EPC record across the building (36–52 m²). On EPC score it ranks last in the building (69 versus a best of 72). The latest certificate (March 2024) shows a C (score 69), just inside the C band. When first surveyed in June 2023 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor.
Today's modelled estimate of £489,000 is 15.7% above the 2024 sale price. Sold June 2024 for £422,500.
Everything you need to know about Flat 3
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
Flat 3 has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£489,000
Modelled from EPC, postcode comparables.
£422,500
Recorded with HM Land Registry.
Sales timeline
13 June 2024Most recent
£422,500
Median price across the last 5 sales in W4 4HG: £1,800,000 (2025–2021).
Nearby sales in W4 4HG
13 Walpole Gardens, Hounslow, London, W4 4HG
Sold Feb 2025
£3,250,00018 Walpole Gardens, Hounslow, London, W4 4HG
Sold Aug 2022
£1,800,00016 Walpole Gardens, Hounslow, London, W4 4HG
Sold Aug 2022
£1,850,000Flat 2, 12 Walpole Gardens, London, W4 4HG
Sold Jun 2021
£425,0009 Walpole Gardens, Hounslow, London, W4 4HG
Sold Mar 2020
£3,800,000
Versus other Walpole Gardens homes
On years held, Flat 3 runs well behind the street norm.
Price per m²
£8,125
Street avg £8,843
Floor Area
52 m²
Street avg 43 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
2.0 t/year
Street avg 1.7 t/year
Everything you need to know about Flat 3
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
Every report £14.99, one-off · 30-day money-back guarantee · emailed in minutes

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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Marlborough Road (W4) — bus stop.
Closest school
0.5 km
Belmont Primary School. 45 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
58.0dB

Night-time· 23:00 – 07:00
49.1dB









