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

EPC B
Property type
Mid terrace
Floor 3rd
Bedrooms
2
Bathroom
1
Floor area
67 m²
721 sq ft
Energy rating
B
Score 81
Council tax
Band D
Tenure
Private Rental
Overview

About 25 Gisbey House

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

25 Gisbey House is a two-bedroom mid-terrace house in Isleworth (TW7 6GH). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 2007 onwards and council tax band D. The latest certificate (June 2020) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since March 2010. At 67 m² this is the 24th 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.

At 67 m² it's 22.6% larger than the typical home in the postcode (55 m² median across 26 EPCs). Across 2010–2018, sale prices on this property compounded at 5.1% per year. On a £-per-square-foot basis, the last sale (£499/sq ft) was about 40.9% above the typical sold price in the postcode. Last sale on file: £360,000 in September 2018.

Before you offer

Know exactly what you're buying at 25 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

  • ParkingAllocated

Building

  • 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.

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

Current Certificate(1 of 2)
Jun 2020

EPC Rating

A
B
B81
C
D
E
F
G
Main Heating
—
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
1.3 t/year
Occupancy
Rented

Property Improvements

Changes detected from historical EPC data

Jun 2020from Mar 2010
Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Low Energy Lighting
10%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 25 Gisbey House, Union Lane, Isleworth, TW7 6GH, sourced from the PlanIt planning register.

25 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 25 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.

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

Current estimate

£344,000

Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 8 years.

See how we calculated this
Last sold (2018)

£360,000

Growth on file: 5.1% per year over 8 years.

Sales timeline

  1. 13 September 2018Most recent

    £360,000

    +50.3%over 8 years

  2. 9 June 2010

    £239,500

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

Before you offer

Everything we know about 25 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
Preview of the full property report
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.

25 Gisbey House outperforms the street on floor area by a wide margin.

Price per m²

£5,373

Street avg £4,624

Above

Floor Area

67 m²

Street avg 57 m²

Strongly above

Habitable Rooms

3 rooms

Street avg 3 rooms

Above

CO₂ Emissions

1.3 t/year

Street avg 1.0 t/year

Below
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 road noise heatmap for TW7 6GH

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