21 Dawes Avenue, Isleworth, TW7 7JU
About 21 Dawes Avenue
21 Dawes Avenue is an end-of-terrace house in Isleworth (TW7 7JU). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (August 2021) shows a C (score 71). When first surveyed in June 2020 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Good and hot-water efficiency went from Average to Good. The recommended improvements would push it to B (score 86).
One historical planning record sits against the property in 2018.
Know exactly what you're buying at 21 Dawes 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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Planning history
- Mar 2018
We flagged 1 thing worth checking at 21 Dawes 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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
21 Dawes Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£538,000
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 7JU: £311,000 (2025–2009).
Nearby sales in TW7 7JU
Everything we know about 21 Dawes 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
- Larger development activity nearby
Versus other Dawes Avenue homes
21 Dawes Avenue is notably below the street on floor area.
EPC Rating
71 (C)
Street avg 57 (D)
Floor Area
82 m²
Street avg 97 m²
CO₂ Emissions
2.6 t/year
Street avg 4.8 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
Similar properties nearby
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1 Dawes Avenue
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1 Cleveland Road
TW7 7EY
1 Edward Blore Mews, Egerton Drive
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1 Bankside Close
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Woodstock Avenue St Margarets — bus stop.
Closest school
0.6 km
Worple Primary School. 49 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
52.5dB
Night-time· 23:00 – 07:00
43.4dB