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13 Douglas Bader House, 9 Gibson Close, Isleworth, TW7 6NE

Property type
Semi-detached
Floor 01
Habitable rooms
2
From EPC
Floor area
43 m²
463 sq ft
Energy rating
D
Score 66
Tenure
Owner Occupied
Overview

About 13 Douglas Bader House

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

13 Douglas Bader House is a semi-detached house in Isleworth (TW7 6NE). It has a recorded floor area of 43 m² (around 463 sq ft) and construction records dating it to 1976-1982. The latest certificate (November 2023) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (November 2013); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average and window efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 83), a 2-band jump. Main heating runs on electricity. At 43 m² this is the 2nd smallest of 19 units on EPC record in the building, where floor areas span 41–67 m². The building's EPC ratings span E to B across 19 units on file.

Across 1995–2014, sale prices on this property compounded at 10.6% per year. On a £-per-square-foot basis, the last sale (£367/sq ft) was about 54.4% above the typical sold price in the postcode. 12 years since the last transfer (July 2014).

Before you offer

Know exactly what you're buying at 13 Douglas Bader 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

Energy

Energy performance

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

Recommended upgrades on file would lift this property by multiple EPC bands.

Current Certificate(1 of 2)
Nov 2023

EPC Rating

A
B
C
D
D66
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Average
Windows
Very Poor
CO2 Emissions
3.1 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Nov 2023from Nov 2013
EPC improved fromC78toD66
Low Energy Lighting
0%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 13 Douglas Bader House, 9 Gibson Close, Isleworth, TW7 6NE, sourced from the PlanIt planning register.

13 Douglas Bader 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 13 Douglas Bader 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.

Price for 13 Douglas Bader House has grown more than fourfold since the 1995 starting point.

Current estimate

£184,000

Modelled from EPC, postcode comparables and a sale-price growth of 10.6% per year over 19 years.

See how we calculated this
Last sold (2014)

£169,950

Growth on file: 10.6% per year over 19 years.

Sales timeline

  1. 24 July 2014Most recent

    £169,950

    +593.7%over 19 years

  2. 2 April 1995

    £24,500

Median price across the last 5 sales in TW7 6NE: £200,000 (2025–2021).

Before you offer

Everything we know about 13 Douglas Bader 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 Gibson Close homes

Four headline reads against 18 similar flats on this street, drawn from the latest EPC and Land Registry data.

On floor area, 13 Douglas Bader House runs well behind the street norm.

Price per m²

£3,952

Street avg £3,435

Above

Floor Area

43 m²

Street avg 50 m²

Strongly below

Habitable Rooms

2 rooms

Street avg 2 rooms

On par

CO₂ Emissions

3.1 t/year

Street avg 2.7 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.
£212k

1 Farnells Court, St Johns Road

TW7 6PD

£220k

1 Douglas Bader House, 9 Gibson Close

TW7 6NE

1 bed1 bath
£299k

1 Church Street

TW7 6BL

1 bed1 bath
£301k

1 Hardy House, Union Lane

TW7 6GU

£319k

1 Bridge Wharf Road

TW7 6BS

1 bed1 bath
£320k

1 Bourne Close

TW7 6HD

£331k

1 Christabel Close

TW7 6EJ

1 bed1 bath
£333k

1 Hawkfield Court, Woodlands Grove

TW7 6NU

2 bed
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

Farnell Road — bus stop.

Closest school

0.6 km

Spring Grove Primary School. 53 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 6NE from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for TW7 6NE

Daytime· 07:00 – 23:00

50.8dB

Low
Night-time road noise heatmap for TW7 6NE

Night-time· 23:00 – 07:00

40.4dB

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 13 Douglas Bader House, 9 Gibson Close, Isleworth, TW7 6NE. Each answer is also embedded as structured data for search engines.