17 Clayton Road, Isleworth, TW7 6LE
About 17 Clayton Road
17 Clayton Road is a three-bedroom detached house in Isleworth (TW7 6LE). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (February 2021) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it C (July 2009); the latest reading is 2 bands lower. Between certificates, lighting went from Average to Very Good. The recommended improvements would lift it to C (score 79), a 2-band jump. Other recorded features include outbuildings. Our model identifies extension potential, subject to local planning policy.
At 108 m² it's 18% larger than the typical home in the postcode (92 m² median across 8 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer: June 2022 at £572,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a loft conversion and a conservatory, meaningful when judging how the property has evolved. Across 1998–2022, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £668,000 is 16.8% above the 2022 sale price.
Know exactly what you're buying at 17 Clayton Road
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
What this property has
Inside
- Bedrooms3
- Bathrooms3
- StudyYes
Outside
- GarageYes
- OutbuildingsYes
Building
- Extension potentialPossible
Energy performance
17 Clayton Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Planning history
- Nov 2022Loft ConversionFullIn report
Increase in height of the roof, erection of rear roof extension incorporating hip to gable conversion on both roof slopes, Juliet balcony, two front roof windows and the installation of one second floor side window to the single family house
Extension- Documents
- 19 docs on file
- Reference
- P/2022/2871
- Sept 2001ConservatoryFullIn report
Extension: Single storey
Erection of a single storey rear extension & part conservatory extension and single storey side extension (AMENDED)
Extension- Reference
- P/2001/1230
We flagged 2 things worth checking at 17 Clayton Road
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
Price for 17 Clayton Road has grown more than fourfold since the 1998 starting point.
£668,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 24 years.
£572,000
Growth on file: 6.1% per year over 24 years.
Sales timeline
13 June 2022Most recent
£572,000
+173.1%over 12 years26 July 2009
£209,472
+4.7%over 8 years23 February 2001
£200,000
+44.4%over 2 years30 July 1998
£138,500
Median price across the last 5 sales in TW7 6LE: £599,950 (2025–2020).
Nearby sales in TW7 6LE
Everything we know about 17 Clayton Road, 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 Clayton Road homes
On epc rating, 17 Clayton Road runs well behind the street norm.
Price per m²
£5,296
Street avg £5,197
Floor Area
108 m²
Street avg 95 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
5.2 t/year
Street avg 2.8 t/year
Similar properties nearby
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TW7 6AL
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1 Gibson Close
TW7 6LZ
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1 Busch Close
TW7 6UE
1 Gumley Gardens
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1 Chase Court, Amhurst Gardens
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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
Clayton Road (TW7) — bus stop.
Closest school
0.8 km
Spring Grove Primary School. 52 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
49.2dB

Night-time· 23:00 – 07:00
39.3dB