Flat 6, 11 St Johns Road, Isleworth, TW7 6NB
About Flat 6
Flat 6 is a semi-detached house in Isleworth (TW7 6NB). It has a recorded floor area of 20 m² (around 215 sq ft), construction records dating it to 1900-1929 and council tax band A. At 20 m² this is the smallest unit on EPC record across the building (20–54 m²). The latest certificate (October 2024) shows a C (score 71). When first surveyed in July 2017 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good.
At 20 m² it sits well below the postcode median (46 m² across 21 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at Flat 6
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 6's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Planning history
Flat 6 has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at Flat 6
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
Flat 6 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£191,000
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 6NB: £221,000 (2022–2008).
Nearby sales in TW7 6NB
25b, St Johns Road, Isleworth, TW7 6NB
Sold Jun 2022
£200,00025a, St Johns Road, Isleworth, TW7 6NB
Sold Jun 2022
£221,000Flat A, 23 St Johns Road, Isleworth, TW7 6NB
Sold Jun 2022
£520,0001 Floriston Villas, St Johns Road, Isleworth, TW7 6NB
Sold Jan 2021
£1,00015a, St Johns Road, Isleworth, TW7 6NB
Sold Apr 2008
£240,000
Everything we know about Flat 6, 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 St Johns Road homes
On floor area, Flat 6 runs well behind the street norm.
EPC Rating
71 (C)
Street avg 65 (D)
Floor Area
20 m²
Street avg 47 m²
CO₂ Emissions
1.1 t/year
Street avg 2.2 t/year
Habitable Rooms
1 rooms
Street avg 3 rooms
Similar properties nearby
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35 37, Flat 4, St Johns Road
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Alcott House, Flat 9, 12 Malting Way
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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
0.3 km
West Thames College. 47 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
53.6dB
Night-time· 23:00 – 07:00
43.3dB