What kind of home is 17 Gisbey House, Union Lane, TW7 6GH?

17 Gisbey House, Union Lane, TW7 6GH is a 2-bedroom semi-detached house.

What did 17 Gisbey House, Union Lane, TW7 6GH sell for?

17 Gisbey House, Union Lane, TW7 6GH last sold for £350,000 in February 2018, around 8 years ago. Before that, it sold for £233,000 in June 2010, so prices have been rising over 8 years on record. Source: HM Land Registry.

How has the value of 17 Gisbey House, Union Lane, TW7 6GH changed over time?

Across 2 sales between June 2010 and February 2018, 17 Gisbey House, Union Lane, TW7 6GH rose from £233,000 to £350,000, a change of £117,000. That works out to roughly +5.5% per year compounded over 8 years. Source: HM Land Registry.

How energy efficient is 17 Gisbey House, Union Lane, TW7 6GH?

The current EPC rating for 17 Gisbey House, Union Lane, TW7 6GH is B with a score of 83 out of 100, lodged in March 2025. Source: EPC Register.

How big is 17 Gisbey House, Union Lane, TW7 6GH?

17 Gisbey House, Union Lane, TW7 6GH has a recorded floor area of 68 m² (732 sq ft), around 34 m² per bedroom. That makes it about 14% larger than the median EPC-recorded property in TW7 6GH. Source: EPC Register.

What heating system does 17 Gisbey House, Union Lane, TW7 6GH use?

The latest EPC at 17 Gisbey House, Union Lane, TW7 6GH records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 17 Gisbey House, Union Lane, TW7 6GH?

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

Which area is 17 Gisbey House, Union Lane, TW7 6GH in?

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

How safe is the area around 17 Gisbey House, Union Lane, TW7 6GH?

Police records around 17 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 17 Gisbey House, Union Lane, TW7 6GH?

The closest primary school to 17 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.

How well connected is 17 Gisbey House, Union Lane, TW7 6GH?

The closest bus stop to 17 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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17 Gisbey House, Union Lane, Isleworth, TW7 6GH

EPC B

Property type

Semi-detached

Floor 01

Bedrooms

Bathroom

Floor area

68 m²

732 sq ft

Energy rating

Score 83

Council tax

Band D

Tenure

Owner Occupied

Overview

About 17 Gisbey House

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

17 Gisbey House is a two-bedroom semi-detached house in Isleworth (TW7 6GH). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 2007-2011 and council tax band D. The latest certificate (March 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, wall efficiency dropped from Very Good to Good. At 68 m² this is the 26th 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. Other recorded features include a balcony.

At 68 m² it's 24.5% larger than the typical home in the postcode (55 m² median across 26 EPCs). Across 2010–2018, sale prices on this property compounded at 5.5% per year. On a £-per-square-foot basis, the last sale (£478/sq ft) was about 34.9% above the typical sold price in the postcode. Last changed hands 8 years ago, in February 2018.

Before you offer

Know exactly what you're buying at 17 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

Outside

BalconyYes

Building

LiftYes
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.

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

Current Certificate(1 of 2)

Mar 2025

EPC Rating

B83

Main Heating

—

Main Fuel

Gas

Hot Water

Good

Windows

Good

CO2 Emissions

1.1 t/year

Occupancy

Owner Occupied

Property Improvements

Changes detected from historical EPC data

Mar 2025from Mar 2010

Heating Controls

Prog + TRVsProg + Stat

Heating controls upgraded for better temperature management

Low Energy Lighting

10%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 17 Gisbey House, Union Lane, Isleworth, TW7 6GH, sourced from the PlanIt planning register.

17 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 17 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.

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

Current estimate

£365,000

Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 8 years.

See how we calculated this

Last sold (2018)

£350,000

Growth on file: 5.5% per year over 8 years.

Sales timeline

2 February 2018Most recent
£350,000
+50.2%over 7 years
30 June 2010
£233,000

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 17 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 floor area, 17 Gisbey House stands well clear of the street.

Price per m²

£5,147

Street avg £4,634

On par

Floor Area

68 m²

Street avg 57 m²

Strongly above

Habitable Rooms

3 rooms

Street avg 3 rooms

Above

CO₂ Emissions

1.1 t/year

Street avg 1.0 t/year

On par

Comparables

Similar properties nearby

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

£344k

1 Chase Court, Amhurst Gardens

TW7 6AH

2 bed1 bath

£333k

1 Hawkfield Court, Woodlands Grove

TW7 6NU

2 bed

£492k

1 Gumley Gardens

TW7 6PW

2 bed1 bath

£518k

1 Busch Close

TW7 6UE

2 bed1 bath

£345k

1 Gisbey House, Union Lane

TW7 6GH

1 bed1 bath

£331k

1 Christabel Close

TW7 6EJ

1 bed1 bath

£319k

1 Bridge Wharf Road

TW7 6BS

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