303b, Chiswick High Road, Hounslow, London, W4 4HH
About 303b
303b is a mid-terrace house in Hounslow, London, London (W4 4HH). It has a recorded floor area of 81 m² (around 872 sq ft) and construction records dating it to 2003-2006. The latest certificate (January 2023) shows a D (score 56), a step below the typical UK home. Earlier certificates rated it C (December 2012); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to C (score 70). Main heating runs on electricity.
At 81 m² the property is well over the postcode median (43 m² across 35 EPCs), placing it in the larger end of the local stock. 16 planning records sit against the property, 7 approved, 5 refused, 2 pending. Past consents include an extension, meaningful when judging how the property has evolved. An application is currently awaiting a decision. The record references conservation-area consent, which constrain future alterations.
Everything you need to know about 303b
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
Heating controls upgraded for better temperature management
Wall insulation improved
Changed to a more efficient fuel source
Hot water efficiency decreased
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
A subdivision application was refused at 303b in 2024.
16 applications on record at 303b, Chiswick High Road, Hounslow, London, W4 4HH
2 live now- Feb 2003HeritageOutcome in report
DEMOLITION OF EXISTING BUILDINGS AND THE ERECTION OF 4 THREE STOREY SINGLE BEDROOMED LIVE/WORK UNITS. (CONSERVATION AREA CONSENT)
Conservation Area- Reference
- P/2001/1181
- More recent applications — locked
- AdvertisingMar 2026Decision
- ConditionsFeb 2026Decision
+ 13 more applications in the report
Unlock 303b, Chiswick High Road, Hounslow, London, W4 4HH's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (14 on record)
- All 16 applications on this property in full, plus 4 notable nearby
- The 141 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
303b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£551,000
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 5 sales in W4 4HH: £403,000 (2024–2020).
Nearby sales in W4 4HH
289a, Chiswick High Road, Hounslow, London, W4 4HH
Sold May 2024
£800,000Flat 1, 305 Chiswick High Road, Hounslow, London, W4 4HH
Sold Jan 2024
£550,000299a, Chiswick High Road, Hounslow, London, W4 4HH
Sold May 2023
£370,000295b, Chiswick High Road, Hounslow, London, W4 4HH
Sold Nov 2016
£20,000Flat 2, 305 Chiswick High Road, Hounslow, London, W4 4HH
Sold Jul 2013
£315,000
Versus other Chiswick High Road homes
EPC Rating
56 (D)
Street avg 56 (D)
Floor Area
81 m²
Street avg 81 m²
CO₂ Emissions
3.8 t/year
Street avg 3.8 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 303b
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/Sutton Lane Nth — bus stop.
Closest school
0.3 km
Belmont Primary School. 48 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
48.1dB









