20 Gibson Close, Isleworth, TW7 6LZ
About 20 Gibson Close
20 Gibson Close is a one-bedroom mid-terrace house in Isleworth (TW7 6LZ). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (May 2024) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2010); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would lift it to B (score 83), a 2-band jump.
Across 1995–2024, sale prices on this property compounded at 6.2% per year. On a £-per-square-foot basis, the last sale (£605/sq ft) was about 94.2% above the typical sold price in the postcode. Sold September 2024 for £449,500.
Know exactly what you're buying at 20 Gibson Close
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
- Bedrooms1
Outside
- ParkingYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Roof insulation improved
Low energy lighting percentage decreased
Planning history
20 Gibson Close has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at 20 Gibson Close
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
30-day money-back guarantee
Sales history & valuation
20 Gibson Close has more than quadrupled in price since its earliest registered sale in 1995.
£458,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 29 years.
£449,500
Growth on file: 6.2% per year over 29 years.
Sales timeline
12 September 2024Most recent
£449,500
+259.7%over 24 years19 October 1999
£124,950
+64.4%over 4 years30 March 1995
£76,000
Median price across the last 5 sales in TW7 6LZ: £350,000 (2022–2002).
Nearby sales in TW7 6LZ
Everything we know about 20 Gibson Close, 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 Gibson Close homes
On price per m², 20 Gibson Close stands well clear of the street.
Price per m²
£6,514
Street avg £3,522
Floor Area
69 m²
Street avg 78 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.7 t/year
Street avg 2.9 t/year
Similar properties nearby
1 Gisbey House, Union Lane
TW7 6GH
1 Christabel Close
TW7 6EJ
1 Bridge Wharf Road
TW7 6BS
1 Church Street
TW7 6BL
1 Gumley Gardens
TW7 6PW
1 Busch Close
TW7 6UE
1 Douglas Bader House, 9 Gibson Close
TW7 6NE
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
0.1 km
Farnell Road — bus stop.
Closest school
0.6 km
Spring Grove Primary School. 54 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
50.5dB

Night-time· 23:00 – 07:00
40.0dB