Flat 27, 480 London Road, Isleworth, TW7 4RL
About Flat 27
Flat 27 is a mid-terrace house in Isleworth (TW7 4RL). It has a recorded floor area of 68 m² (around 732 sq ft) and construction records dating it to 2003-2006. The latest certificate (August 2025) returns a B (score 84), comfortably above the UK average. When first surveyed in October 2013 the rating was C, the property has climbed 1 band since. Between certificates, lighting went from Good to Very Good. Main heating runs on electricity. At 68 m² this is the 11th smallest of 18 units on EPC record in the building, where floor areas span 50–121 m². The building's EPC ratings span D to B, with this unit at the top.
Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). Across 2003–2015, sale prices on this property compounded at 2.5% per year. On a £-per-square-foot basis, the last sale (£433/sq ft) was about 37.6% above the typical sold price in the postcode. Last sold in October 2015, so it's been off the market for around 11 years.
Know exactly what you're buying at Flat 27
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
Flat 27's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
Flat 27 has no planning applications on record.
Notable planning nearby
8applications of note in the surrounding area
We flagged 2 things worth checking at Flat 27
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
30-day money-back guarantee
Sales history & valuation
Flat 27 valuation sits well clear of the typical sold price in this postcode.
£336,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.5% per year over 12 years.
£317,000
Growth on file: 2.5% per year over 12 years.
Sales timeline
27 October 2015Most recent
£317,000
+17.4%over 8 years29 May 2007
£270,000
+14.9%over 3 years5 November 2003
£235,000
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 27, 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
Flat 27 outperforms the street on co₂ emissions by a wide margin.
Price per m²
£4,662
Street avg £3,976
Floor Area
68 m²
Street avg 68 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
0.4 t/year
Street avg 2.6 t/year
Similar properties nearby
Alderman House, Flat 1, 181 Spring Grove Road
TW7 4BA
1a, Flat 2, Clifton Road
TW7 4HL
Alderman House, Flat 4, 181 Spring Grove Road
TW7 4BA
1a, Flat 4, Clifton Road
TW7 4HL
Atlas House, Flat 17, 466 London Road
TW7 4BF
Alderman House, Flat 3, 181 Spring Grove Road
TW7 4BA
Alderman House, Flat 2, 181 Spring Grove Road
TW7 4BA
1a, Flat 3, Clifton Road
TW7 4HL
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