42a, Devonshire Road, Hounslow, London, W4 2HD
About 42a
42a is a mid-terrace house in Hounslow, London, London (W4 2HD). It has a recorded floor area of 75 m² (around 807 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2024) shows a C (score 69), just inside the C band. When first surveyed in September 2013 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good.
Today's modelled estimate of £611,000 sits 62.9% above the 2017 sale of £375,000. At 75 m² it's 28.2% larger than the typical home in the postcode (59 m² median across 24 EPCs). On the market in May 2017 and unlisted since — roughly 9 years.
Everything you need to know about 42a
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
Roof insulation improved
More low energy lighting installed
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 £1,155 · Includes VAT
Planning history
42a has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
42a valuation sits well clear of the typical sold price in this postcode.
£611,000
Modelled from EPC, postcode comparables.
£375,000
Recorded with HM Land Registry.
Sales timeline
25 May 2017Most recent
£375,000
Median price across the last 5 sales in W4 2HD: £425,000 (2025–2022).
Nearby sales in W4 2HD
28a, Devonshire Road, London, W4 2HD
Sold May 2025
£565,00032a, Devonshire Road, Hounslow, London, W4 2HD
Sold Jan 2025
£1,160,0002g, Devonshire Road, Hounslow, London, W4 2HD
Sold Sept 2024
£11,0002e, Devonshire Road, Hounslow, London, W4 2HD
Sold Jan 2023
£425,0008a, Devonshire Road, Hounslow, London, W4 2HD
Sold Jun 2022
£407,000
Versus other Devonshire Road homes
On floor area, 42a stands well clear of the street.
Price per m²
£5,000
Street avg £7,500
Floor Area
75 m²
Street avg 58 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.6 t/year
Street avg 2.9 t/year
Everything you need to know about 42a
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
0.2 km
Chiswick Lane — bus stop.
Closest school
0.4 km
The William Hogarth Primary School. 54 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
57.5dB

Night-time· 23:00 – 07:00
48.7dB









