21 Church Street, Isleworth, TW7 6BL
About 21 Church Street
21 Church Street is a three-bedroom semi-detached house in Isleworth (TW7 6BL). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1991-1995 and council tax band E. At 85 m² this is the 9th smallest of 12 units on EPC record in the building, where floor areas span 50–113 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (July 2018) shows a C (score 71).
It hasn't traded since December 2002, a hold of 23 years that's notably long for the area. At 85 m² the property is well over the postcode median (59 m² across 11 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £504,000 sits 93.8% above the 2002 sale of £260,000. On a £-per-square-foot basis, the last sale (£284/sq ft) was about 19.3% below the postcode norm.
Know exactly what you're buying at 21 Church Street
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
- Open-plan layoutYes
- EnsuiteYes
Outside
- GarageYes
Energy performance
EPC Rating
Planning history
21 Church Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at 21 Church Street
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 Church Street valuation sits well clear of the typical sold price in this postcode.
£504,000
Modelled from EPC, postcode comparables.
£260,000
Recorded with HM Land Registry.
Sales timeline
20 December 2002Most recent
£260,000
Median price across the last 5 sales in TW7 6BL: £552,000 (2022–2019).
Nearby sales in TW7 6BL
Everything we know about 21 Church Street, 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 Church Street homes
On floor area, 21 Church Street stands well clear of the street.
Price per m²
£3,059
Street avg £4,808
Floor Area
85 m²
Street avg 56 m²
Habitable Rooms
5 rooms
Street avg 3 rooms
CO₂ Emissions
2.7 t/year
Street avg 2.1 t/year
Similar properties nearby
1 Elmer Gardens
TW7 6EY
1 Gibson Close
TW7 6LZ
1 Aylett Road
TW7 6NP
1 Essex Avenue
TW7 6LF
1 Alton Close
TW7 6AL
1 Gumley Gardens
TW7 6PW
1 Busch Close
TW7 6UE
1 Chase Court, Amhurst Gardens
TW7 6AH
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
South Street (TW7) — bus stop.
Closest school
0.2 km
The Blue School CofE Primary. 42 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
50.1dB

Night-time· 23:00 – 07:00
42.2dB