15a, St Johns Road, Isleworth, TW7 6NB
About 15a
15a is a mid-terrace house in Isleworth (TW7 6NB). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (July 2024) shows a D (score 59), a step below the typical UK home. When first surveyed in April 2016 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Good to Very Good. At 46 m² this is the 11th smallest of 22 units on EPC record in the building, where floor areas span 20–114 m². The building's EPC ratings span F to C across 22 units on file.
It hasn't traded since April 2008, a hold of 18 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. Today's modelled estimate of £322,000 is 34.2% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£485/sq ft) was about 27.8% above the typical sold price in the postcode.
Know exactly what you're buying at 15a
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
Wall insulation improved
More low energy lighting installed
Planning history
15a has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at 15a
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.
£322,000
Modelled from EPC, postcode comparables.
£240,000
Recorded with HM Land Registry.
Sales timeline
3 April 2008Most recent
£240,000
Median price across the last 5 sales in TW7 6NB: £221,000 (2022–2007).
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
£1,00021a, St Johns Road, Isleworth, TW7 6NB
Sold Aug 2007
£398,000
Everything we know about 15a, 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
15a outperforms the street on habitable rooms by a wide margin.
Price per m²
£5,217
Street avg £6,294
Floor Area
46 m²
Street avg 46 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.2 t/year
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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