1 Gibson Close, Isleworth, TW7 6LZ
About 1 Gibson Close
1 Gibson Close is a three-bedroom semi-detached house in Isleworth (TW7 6LZ). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (January 2025) shows a C (score 72). The rating has held steady at C across 2 certificates since March 2014. Between certificates, roof efficiency went from Average to Good and lighting went from Average to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 85).
Today's modelled estimate of £592,000 sits 57.9% above the 2015 sale of £375,000. On a £-per-square-foot basis, the last sale (£410/sq ft) was about 114.8% above the typical sold price in the postcode. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. 11 years since the last transfer (January 2015).
Know exactly what you're buying at 1 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
- Bedrooms3
- Bathrooms2
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenWrap around
- DrivewayYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
1 Gibson Close has an approved single-storey rear extension on the planning record.
- May 2016ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of a single storey rear extension to the house
- Reference
- P/2016/1255
We flagged 2 things worth checking at 1 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
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Sales history & valuation
1 Gibson Close valuation sits well clear of the typical sold price in this postcode.
£592,000
Modelled from EPC, postcode comparables.
£375,000
Recorded with HM Land Registry.
Sales timeline
23 January 2015Most recent
£375,000
Median price across the last 5 sales in TW7 6LZ: £350,000 (2024–2002).
Nearby sales in TW7 6LZ
Everything we know about 1 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 floor area, 1 Gibson Close stands well clear of the street.
Price per m²
£4,412
Street avg £4,048
Floor Area
85 m²
Street avg 76 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.6 t/year
Street avg 3.0 t/year
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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
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