21 Highfield Road, Isleworth, TW7 5LD
About 21 Highfield Road
21 Highfield Road is a three-bedroom mid-terrace house in Isleworth (TW7 5LD). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (August 2025) shows a C (score 72). When first surveyed in February 2017 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Average. Our model identifies extension potential, subject to local planning policy.
Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). Today's modelled estimate of £700,000 is 27.3% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£581/sq ft) was about 89% above the typical sold price in the postcode. On the market in March 2017 and unlisted since — roughly 9 years.
Know exactly what you're buying at 21 Highfield 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
- Bathrooms2
- CloakroomYes
Outside
- Private gardenRear
- Summer houseYes
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
21 Highfield Road has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at 21 Highfield 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
21 Highfield Road valuation sits well clear of the typical sold price in this postcode.
£700,000
Modelled from EPC, postcode comparables.
£550,000
Recorded with HM Land Registry.
Sales timeline
24 March 2017Most recent
£550,000
Median price across the last 5 sales in TW7 5LD: £601,000 (2020–2013).
Nearby sales in TW7 5LD
Everything we know about 21 Highfield 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 Highfield Road homes
21 Highfield Road outperforms the street on epc rating by a wide margin.
Price per m²
£6,250
Street avg £4,103
Floor Area
88 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.4 t/year
Street avg 4.7 t/year
Similar properties nearby
1 Hanover Terrace
TW7 5AY
1 Highfield Road
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1 Academy Place
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1 Langley Road
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1 College Road
TW7 5DJ
1 Beecher Court, Lanadron Close
TW7 5GD
1 Holdernesse Close
TW7 5TE
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
Musgrave Road — bus stop.
Closest school
0.3 km
Isleworth and Syon School for Boys. 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
55.9dB
Night-time· 23:00 – 07:00
45.9dB