25 Avenue Road, Isleworth, TW7 4JL
About 25 Avenue Road
25 Avenue Road is a two-bedroom detached house in Isleworth (TW7 4JL). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1900-1929 and council tax band F. At 84 m² this is the 5th smallest of 11 units on EPC record in the building, where floor areas span 57–143 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (August 2019) shows a C (score 77), near the top of the C band. When first surveyed in April 2018 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Very Good and hot-water efficiency went from Average to Good; while roof efficiency dropped from Very Good to Average.
3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and subdivision, meaningful when judging how the property has evolved. At 84 m² it's 27% smaller than the typical home in the postcode (115 m² median across 10 EPCs). Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). On a £-per-square-foot basis, the last sale (£829/sq ft) was about 67.3% above the typical sold price in the postcode. Most recent transfer: June 2018 at £750,000.
Know exactly what you're buying at 25 Avenue 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
- Bedrooms2
- Bathrooms2
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
High performance glazing installed
Wall insulation upgraded
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- Mar 2019SubdivisionFullIn report
Extension: Single storey
Erection of a single storey rear extension and side and rear roof extensions to allow the conversion of the house into two self contained flats
Extension- Documents
- 18 docs on file
- Reference
- P/2019/0674
- Feb 2019SubdivisionFullIn report
Extension: Single storey
Erection of a single storey rear extension and side and rear roof extensions to allow the conversion of the house into two self contained flats
Extension- Documents
- 13 docs on file
- Reference
- P/2019/0169
We flagged 2 things worth checking at 25 Avenue 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
Latest sale on 25 Avenue Road was the highest on Land Registry record across the postcode.
£683,000
Modelled from EPC, postcode comparables.
£750,000
Recorded with HM Land Registry.
Sales timeline
11 June 2018Most recent
£750,000
Median price across the last 5 sales in TW7 4JL: £620,000 (2013–2009).
Everything we know about 25 Avenue 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 Avenue Road homes
On floor area, 25 Avenue Road stands well clear of the street.
EPC Rating
77 (C)
Street avg 72 (C)
Floor Area
84 m²
Street avg 67 m²
CO₂ Emissions
1.9 t/year
Street avg 2.1 t/year
Similar properties nearby
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1 Draper Close
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1 Fairacre, Church Road
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1 Eversley Crescent
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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 — bus stop.
Closest school
0.3 km
West Thames College. 44 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
54.5dB

Night-time· 23:00 – 07:00
44.0dB