18 Gisbey House, Union Lane, Isleworth, TW7 6GH
About 18 Gisbey House
18 Gisbey House is an end-of-terrace house in Isleworth (TW7 6GH). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 2007 onwards and council tax band C. The latest certificate (January 2020) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since March 2010. Between certificates, wall efficiency dropped from Very Good to Good and lighting dropped from Very Good to Good. At 49 m² this is the 2nd smallest of 27 units on EPC record in the building, where floor areas span 48–68 m². The building's EPC ratings span D to B, with this unit at the top.
Across 2010–2024, sale prices on this property compounded at 2.6% per year. On a £-per-square-foot basis, the last sale (£493/sq ft) was about 39.8% above the typical sold price in the postcode. At 49 m² it's 20.3% smaller than the typical home in the postcode (62 m² median across 26 EPCs). Most recent transfer: February 2024 at £260,000.
Know exactly what you're buying at 18 Gisbey House
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
Energy performance
18 Gisbey House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
18 Gisbey House has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at 18 Gisbey House
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
£274,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.6% per year over 14 years.
£260,000
Growth on file: 2.6% per year over 14 years.
Sales timeline
14 February 2024Most recent
£260,000
-3.0%over 2 years24 October 2021
£268,000
+46.0%over 11 years16 June 2010
£183,500
Median price across the last 5 sales in TW7 6GH: £265,000 (2024–2019).
Nearby sales in TW7 6GH
14 Gisbey House, Union Lane, Isleworth, TW7 6GH
Sold Jun 2024
£255,00011 Gisbey House, Union Lane, Isleworth, TW7 6GH
Sold Dec 2021
£250,0009 Gisbey House, Union Lane, Isleworth, TW7 6GH
Sold Apr 2021
£320,0006 Gisbey House, Union Lane, Isleworth, TW7 6GH
Sold Oct 2019
£265,00025 Gisbey House, Union Lane, Isleworth, TW7 6GH
Sold Sept 2018
£360,000
Everything we know about 18 Gisbey House, 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 Union Lane homes
On years held, 18 Gisbey House runs well behind the street norm.
Price per m²
£5,306
Street avg £4,627
Floor Area
49 m²
Street avg 58 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.0 t/year
Street avg 1.0 t/year
Similar properties nearby
1 Church Street
TW7 6BL
1 Hardy House, Union Lane
TW7 6GU
1 Bridge Wharf Road
TW7 6BS
1 Bourne Close
TW7 6HD
1 Christabel Close
TW7 6EJ
1 Hawkfield Court, Woodlands Grove
TW7 6NU
1 Douglas Bader House, 9 Gibson Close
TW7 6NE
1 Chase Court, Amhurst Gardens
TW7 6AH
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
0.0 km
Teesdale Gardens — bus stop.
Closest school
0.2 km
The Green School for Boys. 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
52.3dB
Night-time· 23:00 – 07:00
44.1dB