Flat 21, 480 London Road, Isleworth, TW7 4RL
About Flat 21
Flat 21 is a property in Isleworth (TW7 4RL).
It hasn't traded since May 2007, a hold of 19 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. 3 planning records sit against the property, 1 approved, 2 refused. Across 2003–2007, sale prices on this property compounded at 4.5% per year.
Know exactly what you're buying at Flat 21
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
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
- Apr 2021ConditionsIn report
Details of Condition 3 (Water Efficiency) submitted pursuant of planning permission 00707/N21/P1 dated 01/12/2017 for Change of use from a two-storey live/work unit to two one-bedroom flats
- Documents
- 6 docs on file
- Reference
- P/2021/0665
- Aug 2018ApplicationIn report
Details of Condition 3 (Water Efficiency) submitted pursuant of planning permission 00707/N21/P1 dated 01/12/2017 for Change of use from a two-storey live/work unit to two one-bedroom flats
- Documents
- 4 docs on file
- Reference
- P/2018/1663
We flagged 2 things worth checking at Flat 21
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
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£235,000
Growth on file: 4.5% per year over 4 years.
Sales timeline
30 May 2007Most recent
£235,000
+17.5%over 3 years13 October 2003
£200,000
Median price across the last 5 sales in TW7 4RL: £300,000 (2024–2016).
Nearby sales in TW7 4RL
Flat 22b, 480 London Road, Isleworth, TW7 4RL
Sold Apr 2024
£305,000Flat 25, 480 London Road, Isleworth, TW7 4RL
Sold Aug 2020
£300,000Flat 23a, 480 London Road, Isleworth, TW7 4RL
Sold Jun 2017
£295,000Flat 18, 480 London Road, Isleworth, TW7 4RL
Sold Mar 2017
£415,000Flat 23b, 480 London Road, Isleworth, TW7 4RL
Sold Nov 2016
£250,000
Everything we know about Flat 21, 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

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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
0.1 km
Isleworth Station / Rennels Way — bus stop.
Closest school
0.1 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
43.7dB