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

3 sales on record
Property type
Semi-detached
Floor 00
Bedroom
1
Bathroom
1
Floor area
49 m²
527 sq ft
Energy rating
C
Score 73
Council tax
Band C
Tenure
Owner Occupied
Overview

About 14 Gisbey House

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

14 Gisbey House is a one-bedroom semi-detached house in Isleworth (TW7 6GH). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 2007-2011 and council tax band C. The latest certificate (November 2020) shows a C (score 73). Earlier certificates rated it B (March 2010); the latest reading is one band lower. Between certificates, wall efficiency 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 across 27 units on file.

Across 2010–2024, sale prices on this property compounded at 2.5% per year. Today's modelled estimate of £281,000 is 10.2% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£483/sq ft) was about 37.1% 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). Last sale on file: £255,000 in June 2024.

Before you offer

Know exactly what you're buying at 14 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

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.

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

Current Certificate(1 of 2)
Nov 2020

EPC Rating

A
B
C
C73
D
E
F
G
Main Heating
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
1.5 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Nov 2020from Mar 2010
EPC improved fromB81toC73
Heating Controls
Prog + TRVsProg + Stat

Heating controls upgraded for better temperature management

Floor Insulation
PartialInsulated

Floor insulation added or improved

Low Energy Lighting
10%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 14 Gisbey House, Union Lane, Isleworth, TW7 6GH, sourced from the PlanIt planning register.

14 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 14 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

£281,000

Modelled from EPC, postcode comparables and a sale-price growth of 2.5% per year over 14 years.

See how we calculated this
Last sold (2024)

£255,000

Growth on file: 2.5% per year over 14 years.

Sales timeline

  1. 17 June 2024Most recent

    £255,000

    -3.8%over 3 years
  2. 26 March 2021

    £265,000

    +46.0%over 10 years
  3. 23 June 2010

    £181,500

Median price across the last 5 sales in TW7 6GH: £265,000 (2024–2019).

Before you offer

Everything we know about 14 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.

On years held, 14 Gisbey House runs well behind the street norm.

Price per m²

£5,204

Street avg £4,631

Above

Floor Area

49 m²

Street avg 58 m²

Strongly below

Habitable Rooms

2 rooms

Street avg 3 rooms

Below

CO₂ Emissions

1.5 t/year

Street avg 1.0 t/year

Below
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.

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