1a, Bath Road, Hounslow, London, W4 1LL
About 1a
1a is a semi-detached house in Hounslow, London, London (W4 1LL). It has a recorded floor area of 109 m² (around 1173 sq ft) and construction records dating it to 1996-2002. The latest certificate (February 2020) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2008. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Average and lighting went from Very Poor to Average; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good.
At 109 m² the property is well over the postcode median (27 m² across 5 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 1 approved, 1 refused. The record references conservation-area consent, which constrain future alterations.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Cavity wall insulation installed
Loft insulation installed or upgraded to 250mm+
Floor insulation added or improved
More low energy lighting installed
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Planning history
1a sits within a conservation area — exterior works face additional planning controls.
3 applications on record at 1a, Bath Road, Hounslow, London, W4 1LL
- Jul 2002RenovationHeritageOutcome in report
Installation of roof light to side elevation of existing studio
- Reference
- P/2002/1591
- More recent applications — locked
- Tree WorksMar 2011Decision
- ExtensionMar 2008Decision
Unlock 1a, Bath Road, Hounslow, London, W4 1LL's full planning history
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- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 3 notable nearby
- What the pattern means for extending or converting here
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Sales history & valuation
1a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£781,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 1 sales in W4 1LL: £660,000 (1998–1998).
Nearby sales in W4 1LL
Versus other Bath Road homes
Floor Area for 1a runs comfortably ahead of the street norm.
EPC Rating
61 (D)
Street avg 65 (D)
Floor Area
109 m²
Street avg 43 m²
CO₂ Emissions
4.6 t/year
Street avg 2.3 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Everything you need to know about 1a
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
0.1 km
Turnham Green — bus stop.
Closest school
0.6 km
Southfield Primary School. 56 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
54.3dB

Night-time· 23:00 – 07:00
44.5dB









