When did 6 Gisbey House, Union Lane, TW7 6GH last change hands?

6 Gisbey House, Union Lane, TW7 6GH last sold for £265,000 in October 2019, around 7 years ago. Before that, it sold for £183,950 in June 2010, so prices have been rising over 9 years on record. Source: HM Land Registry.

How has the value of 6 Gisbey House, Union Lane, TW7 6GH changed over time?

Across 2 sales between June 2010 and October 2019, 6 Gisbey House, Union Lane, TW7 6GH rose from £183,950 to £265,000, a change of £81,050. That works out to roughly +4% per year compounded over 9 years. Source: HM Land Registry.

What energy rating does 6 Gisbey House, Union Lane, TW7 6GH have?

The current EPC rating for 6 Gisbey House, Union Lane, TW7 6GH is B with a score of 83 out of 100, lodged in October 2025. Source: EPC Register.

How big is 6 Gisbey House, Union Lane, TW7 6GH?

6 Gisbey House, Union Lane, TW7 6GH has a recorded floor area of 48 m² (517 sq ft), around 48 m² per bedroom. That makes it about 20% smaller than the median EPC-recorded property in TW7 6GH. Source: EPC Register.

What heating system does 6 Gisbey House, Union Lane, TW7 6GH use?

The latest EPC at 6 Gisbey House, Union Lane, TW7 6GH records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 6 Gisbey House, Union Lane, TW7 6GH?

6 Gisbey House, Union Lane, TW7 6GH is in council tax band C.

Which area is 6 Gisbey House, Union Lane, TW7 6GH in?

6 Gisbey House, Union Lane, TW7 6GH sits in Isleworth. It falls within the TW7 postcode district.

How safe is the area around 6 Gisbey House, Union Lane, TW7 6GH?

Police records around 6 Gisbey House, Union Lane, TW7 6GH show an average of 3 reported crimes per month over the last 10 months. Vehicle crime makes up roughly 24% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

What schools are near 6 Gisbey House, Union Lane, TW7 6GH?

The closest primary school to 6 Gisbey House, Union Lane, TW7 6GH is The Smallberry Green Primary School (255m), one of 27 primaries within walking distance. The closest secondary is The Green School for Boys (174m), with 14 secondaries in the surrounding area.

What transport links are near 6 Gisbey House, Union Lane, TW7 6GH?

The closest bus stop to 6 Gisbey House, Union Lane, TW7 6GH is Teesdale Gardens, 21m away. The nearest rail option is Syon Lane Rail Station, 600m away.

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6 Gisbey House, Union Lane, Isleworth, TW7 6GH

EPC B

Bedroom

Bathroom

Floor area

48 m²

517 sq ft

Energy rating

Score 83

Council tax

Band C

Tenure

Owner Occupied

Overview

About 6 Gisbey House

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

6 Gisbey House is a one-bedroom property in Isleworth (TW7 6GH). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 2012-2021 and council tax band C. At 48 m² this is the smallest unit on EPC record across 6 Gisbey House (48–66 m²). The building's EPC ratings span C to B, with this unit at the top. Other recorded features include outbuildings. The latest certificate (October 2025) returns a B (score 83), comfortably above the UK average. The rating has held steady at B across 2 certificates since March 2010. Between certificates, hot-water efficiency went from Good to Very Good and main heating went from Good to Very Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average.

Across 2010–2019, sale prices on this property compounded at 4% per year. Today's modelled estimate of £292,000 is 10.2% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£513/sq ft) was about 45.8% above the typical sold price in the postcode. At 48 m² it's 22% smaller than the typical home in the postcode (62 m² median across 26 EPCs). Sold October 2019 for £265,000.

Before you offer

Know exactly what you're buying at 6 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

Signs of HMO activity in the areaLarger development activity nearby

£14.99

Trusted by UK homebuyers

Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

Bedrooms1
Bathrooms1
EnsuiteYes

Outside

GarageSingle
OutbuildingsYes

Building

Central heatingYes
RefurbishedYes

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

6 Gisbey House's carbon output is low for the local stock.

Current Certificate(1 of 2)

Oct 2025

EPC Rating

B83

Main Heating

—

Main Fuel

Gas

Hot Water

Very Good

Windows

Average

CO2 Emissions

0.8 t/year

Occupancy

Owner Occupied

Property Improvements

Changes detected from historical EPC data

Oct 2025from Mar 2010

Heating Controls

Prog + TRVsThermostat

Heating controls changed

Hot Water

GoodVery Good

Hot water efficiency improved

Low Energy Lighting

10%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 6 Gisbey House, Union Lane, Isleworth, TW7 6GH, sourced from the PlanIt planning register.

6 Gisbey House has no planning applications on record.

Notable planning nearby

6applications of note in the surrounding area

Before you offer

We flagged 2 things worth checking at 6 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

£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Current estimate

£292,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 9 years.

See how we calculated this

Last sold (2019)

£265,000

Growth on file: 4.0% per year over 9 years.

Sales timeline

17 October 2019Most recent
£265,000
+44.1%over 9 years
22 June 2010
£183,950

Median price across the last 5 sales in TW7 6GH: £260,000 (2024–2021).

Nearby sales in TW7 6GH

Before you offer

Everything we know about 6 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

£14.99

Trusted by UK homebuyers

On the street

Versus other Union Lane homes

Four headline reads against 26 similar flats on this street, drawn from the latest EPC and Land Registry data.

Floor Area for 6 Gisbey House lags the street by a wide margin.

Price per m²

£5,521

Street avg £4,619

Strongly above

Floor Area

48 m²

Street avg 58 m²

Strongly below

Habitable Rooms

2 rooms

Street avg 3 rooms

Below

CO₂ Emissions

0.8 t/year

Street avg 1.1 t/year

Above

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£299k

1 Church Street

TW7 6BL

1 bed1 bath

£319k

1 Bridge Wharf Road

TW7 6BS

1 bed1 bath

£331k

1 Christabel Close

TW7 6EJ

1 bed1 bath

£345k

1 Gisbey House, Union Lane

TW7 6GH

1 bed1 bath

£220k

1 Douglas Bader House, 9 Gibson Close

TW7 6NE

1 bed1 bath

£333k

1 Hawkfield Court, Woodlands Grove

TW7 6NU

2 bed

£344k

1 Chase Court, Amhurst Gardens

TW7 6AH

2 bed1 bath

£492k

1 Gumley Gardens

TW7 6PW

2 bed1 bath

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Isleworth district page.

Full Isleworth report

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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around TW7 6GH from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

52.3dB

Low

Night-time road noise heatmap for TW7 6GH

Night-time· 23:00 – 07:00

44.1dB

Low

55 dB

60 dB

65 dB

70 dB

75 dB

80 dB

Defra Road Noise Strategic Mapping, Round 4

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 6 Gisbey House, Union Lane, Isleworth, TW7 6GH. Each answer is also embedded as structured data for search engines.