What did 5 Gisbey House, Union Lane, TW7 6GH sell for?

5 Gisbey House, Union Lane, TW7 6GH last sold for £230,000 in June 2010, around 16 years ago. Source: HM Land Registry.

What energy rating does 5 Gisbey House, Union Lane, TW7 6GH have?

The current EPC rating for 5 Gisbey House, Union Lane, TW7 6GH is C with a score of 78 out of 100, lodged in January 2026. It has dropped from a B recorded in March 2010. Source: EPC Register.

What is the floor area of 5 Gisbey House, Union Lane, TW7 6GH?

5 Gisbey House, Union Lane, TW7 6GH has a recorded floor area of 65 m² (700 sq ft), around 33 m² per bedroom. That makes it about 9% larger than the median EPC-recorded property in TW7 6GH. Source: EPC Register.

How is 5 Gisbey House, Union Lane, TW7 6GH heated?

The latest EPC at 5 Gisbey House, Union Lane, TW7 6GH records biomass as the main heating fuel. Source: EPC Register.

What council tax band is 5 Gisbey House, Union Lane, TW7 6GH?

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

Where is 5 Gisbey House, Union Lane, TW7 6GH located?

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

How safe is the area around 5 Gisbey House, Union Lane, TW7 6GH?

Police records around 5 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.

Which schools serve 5 Gisbey House, Union Lane, TW7 6GH?

The closest primary school to 5 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 is the nearest station to 5 Gisbey House, Union Lane, TW7 6GH?

The closest bus stop to 5 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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5 Gisbey House, Union Lane, Isleworth, TW7 6GH

Bedrooms

Bathroom

Floor area

65 m²

700 sq ft

Energy rating

Score 78

Council tax

Band D

Tenure

Owner Occupied

Overview

About 5 Gisbey House

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

5 Gisbey House is a two-bedroom property in Isleworth (TW7 6GH). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 2007-2011 and council tax band D. At 65 m² this is the 2nd smallest of 3 units on EPC record in 5 Gisbey House, where floor areas span 49–67 m². The building's EPC ratings span C to B, with this unit at the bottom. On EPC score it ranks last in the building (78 versus a best of 84). Other recorded features include a balcony. The latest certificate (January 2026) shows a C (score 78), near the top of the C band. Earlier certificates rated it B (March 2010); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. Main heating runs on biomass. This certificate was lodged in the last six months, so the rating reflects current condition.

Untraded for 16 years, with the last transfer in June 2010. At 65 m² it's 19% larger than the typical home in the postcode (55 m² median across 26 EPCs). Today's modelled estimate of £323,000 is 40.4% above the 2010 sale price.

Before you offer

Know exactly what you're buying at 5 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

Bedrooms2
Bathrooms1
Open-plan layoutYes

Outside

Private gardenYes
ParkingYes
BalconyYes

Building

Central heatingYes

Energy

Energy performance

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

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

Current Certificate(1 of 2)

Jan 2026

EPC Rating

C78

Main Heating

—

Main Fuel

—

Hot Water

Average

Windows

Average

CO2 Emissions

0.2 t/year

Occupancy

Owner Occupied

Property Improvements

Changes detected from historical EPC data

Jan 2026from Mar 2010

EPC improved fromB83toC78

Heating Controls

Prog + TRVsThermostat

Heating controls changed

Hot Water

GoodAverage

Hot water efficiency decreased

Low Energy Lighting

10%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 5 Gisbey House, Union Lane, Isleworth, TW7 6GH, sourced from the PlanIt planning register.

5 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 5 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.

5 Gisbey House valuation sits well clear of the typical sold price in this postcode.

Current estimate

£323,000

Modelled from EPC, postcode comparables.

See how we calculated this

Last sold (2010)

£230,000

Recorded with HM Land Registry.

Sales timeline

29 June 2010Most recent
£230,000

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 5 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.

On co₂ emissions, 5 Gisbey House stands well clear of the street.

Price per m²

£3,538

Street avg £4,698

Strongly below

Floor Area

65 m²

Street avg 57 m²

Above

Habitable Rooms

3 rooms

Street avg 3 rooms

Above

CO₂ Emissions

0.2 t/year

Street avg 1.1 t/year

Strongly above

Comparables

Similar properties nearby

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

£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

£518k

1 Busch Close

TW7 6UE

2 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

£299k

1 Church Street

TW7 6BL

1 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 5 Gisbey House, Union Lane, Isleworth, TW7 6GH. Each answer is also embedded as structured data for search engines.