485a, London Road, Isleworth, TW7 4BX
About 485a
485a is a mid-terrace house in Isleworth (TW7 4BX). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2024) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since October 2012. Between certificates, lighting went from Average to Very Good. The recommended improvements would push it to C (score 69). At 89 m² this is the 10th 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 across 11 units on file.
At 89 m² it's 26.2% larger than the typical home in the postcode (71 m² median across 10 EPCs).
Know exactly what you're buying at 485a
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
Window efficiency improved
More low energy lighting installed
Planning history
485a has no planning applications on record.
Notable planning nearby
8applications of note in the surrounding area
We flagged 2 things worth checking at 485a
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
485a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£327,000
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 485a, 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
485a outperforms the street on habitable rooms by a wide margin.
EPC Rating
63 (D)
Street avg 56 (D)
Floor Area
89 m²
Street avg 63 m²
CO₂ Emissions
3.8 t/year
Street avg 4.3 t/year
Habitable Rooms
5 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