477a, London Road, Isleworth, TW7 4BX
About 477a
477a is a mid-terrace house in Isleworth (TW7 4BX). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1930-1949 and council tax band C. At 87 m² this is the 9th smallest of 11 units on EPC record in the building, where floor areas span 32–89 m². The building's EPC ratings span G to C, with this unit at the top. The latest certificate (August 2017) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since June 2010. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Average to Very Poor.
One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. At 87 m² it's 23.4% larger than the typical home in the postcode (71 m² median across 10 EPCs). Its energy rating outperforms most of the postcode (better than 70% of similar EPCs).
Know exactly what you're buying at 477a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Planning history
- Oct 2016ExtensionFullIn report
Erection of a rear roof extension incorporating two front roof windows to the first floor flat
- Documents
- 7 docs on file
- Reference
- P/2016/3746
We flagged 2 things worth checking at 477a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
477a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£347,000
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 TW7 4BX: £155,000 (2024–2005).
Everything we know about 477a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby
Versus other London Road homes
Floor Area for 477a runs comfortably ahead of the street norm.
EPC Rating
69 (C)
Street avg 55 (D)
Floor Area
87 m²
Street avg 63 m²
CO₂ Emissions
3.0 t/year
Street avg 4.4 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Isleworth — bus stop.
Closest school
0.3 km
West Thames College. 46 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
54.1dB
Night-time· 23:00 – 07:00
43.6dB