21 Campion Road, Isleworth, TW7 5HS
About 21 Campion Road
21 Campion Road is a three-bedroom semi-detached house in Isleworth (TW7 5HS). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (August 2020) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 77). Our model identifies extension potential, subject to local planning policy.
4 planning records sit against the property, 2 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £710,000 is 12.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£542/sq ft) was about 83.4% above the typical sold price in the postcode. Most recent transfer: June 2021 at £630,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 21 Campion 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
- Bathrooms1
Outside
- Private gardenYes
- GarageYes
Building
- Extension potentialPossible
Energy performance
EPC Rating
Planning history
A a porch application was refused at 21 Campion Road in 2022.
- Sept 2022PorchFullIn report
Erection of a single storey rear and two storey side extension and a new front porch.
Extension- Documents
- 9 docs on file
- Reference
- P/2022/2161
- Jun 2022PorchAmendmentIn report
Extension: Front of property
Non material admendment to allow the erection of a front porch extension and alterations to fenestrations to the single storey rear extension to the house following planning permission 00199/21/P2 dated 23/03/2022
Extension- Documents
- 4 docs on file
- Reference
- P/2022/1901
We flagged 3 things worth checking at 21 Campion 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
- A planning decision worth checking
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£710,000
Modelled from EPC, postcode comparables.
£630,000
Recorded with HM Land Registry.
Sales timeline
27 June 2021Most recent
£630,000
Median price across the last 5 sales in TW7 5HS: £660,000 (2025–2021).
Nearby sales in TW7 5HS
Everything we know about 21 Campion 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
- A planning decision worth checking

Versus other Campion Road homes
On price per m², 21 Campion Road stands well clear of the street.
Price per m²
£5,833
Street avg £4,125
Floor Area
108 m²
Street avg 117 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.4 t/year
Street avg 5.6 t/year
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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
0.2 km
Musgrave Road — bus stop.
Closest school
0.3 km
Marlborough Primary School. 41 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
55.7dB

Night-time· 23:00 – 07:00
46.3dB