13 Cranmore Avenue, Isleworth, TW7 4QW
About 13 Cranmore Avenue
13 Cranmore Avenue is a three-bedroom detached house in Isleworth (TW7 4QW). It has a recorded floor area of 153 m² (around 1647 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (September 2025) shows a C (score 69), just inside the C band. When first surveyed in October 2013 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Average to Poor. Our model identifies extension potential, subject to local planning policy.
Today's modelled estimate of £997,000 sits 66% above the 2014 sale of £600,500. 12 years since the last transfer (February 2014). 3 planning records sit against the property, 0 approved, 0 refused.
Know exactly what you're buying at 13 Cranmore Avenue
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
Outside
- ParkingOff street
Building
- Extension potentialPossible
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water efficiency improved
Wall insulation improved
More low energy lighting installed
Planning history
13 Cranmore Avenue has been extended on multiple sides of the property across separate planning applications.
- Mar 2014ExtensionFullIn report
Extension: Single storey · Side and rear of property
Erection of a single storey side and rear extensions
- Documents
- 7 docs on file
- Reference
- P/2014/0444
- Mar 2014ExtensionOutlineIn report
Extension: Single storey · Rear of property
Ground floor rear extension 5 metres deep, maximum height of 3 metres, 3 metres high to the eaves
- Documents
- 7 docs on file
- Reference
- PA/2014/0464
We flagged 2 things worth checking at 13 Cranmore Avenue
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
13 Cranmore Avenue valuation sits well clear of the typical sold price in this postcode.
£997,000
Modelled from EPC, postcode comparables.
£600,500
Recorded with HM Land Registry.
Sales timeline
24 February 2014Most recent
£600,500
Median price across the last 5 sales in TW7 4QW: £900,000 (2025–2022).
Nearby sales in TW7 4QW
Everything we know about 13 Cranmore Avenue, 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 Cranmore Avenue homes
13 Cranmore Avenue is notably below the street on price per m².
Price per m²
£3,925
Street avg £4,812
Floor Area
153 m²
Street avg 185 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
4.3 t/year
Street avg 5.4 t/year
Similar properties nearby
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
0.2 km
Osterley Underground Station — subway entrance.
Closest school
0.9 km
Isleworth and Syon School for Boys. 48 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
52.3dB

Night-time· 23:00 – 07:00
44.4dB