21 Douglas Bader House, 9 Gibson Close, Isleworth, TW7 6NE
About 21 Douglas Bader House
21 Douglas Bader House is a one-bedroom semi-detached house in Isleworth (TW7 6NE). It has a recorded floor area of 52 m² (around 560 sq ft) and construction records dating it to 1983-1990. The latest certificate (April 2021) shows a C (score 74). The rating has held steady at C across 2 certificates since April 2010. Between certificates, lighting went from Very Poor to Very Good and main heating went from Poor to Average. Main heating runs on electricity. At 52 m² this is the 15th 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.
Untraded for 22 years, with the last transfer in May 2004. Across 1999–2004, sale prices on this property compounded at 32.4% per year. Today's modelled estimate of £217,000 sits 52.8% above the 2004 sale of £142,000.
Know exactly what you're buying at 21 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
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms1
- StudyYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
21 Douglas Bader House has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at 21 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
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Sales history & valuation
21 Douglas Bader House has more than quadrupled in price since its earliest registered sale in 1999.
£217,000
Modelled from EPC, postcode comparables and a sale-price growth of 32.4% per year over 5 years.
£142,000
Growth on file: 32.4% per year over 5 years.
Sales timeline
27 May 2004Most recent
£142,000
+311.6%over 5 years13 May 1999
£34,500
Median price across the last 5 sales in TW7 6NE: £200,000 (2025–2021).
Nearby sales in TW7 6NE
24 Douglas Bader House, 9 Gibson Close, Isleworth, TW7 6NE
Sold Jul 2025
£190,00019 Douglas Bader House, 9 Gibson Close, Isleworth, TW7 6NE
Sold Feb 2024
£200,00012 Douglas Bader House, 9 Gibson Close, Isleworth, TW7 6NE
Sold Jul 2023
£185,0002 Douglas Bader House, 9 Gibson Close, Isleworth, TW7 6NE
Sold May 2022
£213,75016 Douglas Bader House, 9 Gibson Close, Isleworth, TW7 6NE
Sold Jun 2021
£262,500
Everything we know about 21 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
Versus other Gibson Close homes
Years Held for 21 Douglas Bader House runs comfortably ahead of the street norm.
Price per m²
£2,731
Street avg £3,517
Floor Area
52 m²
Street avg 49 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
2.7 t/year
Street avg 2.7 t/year
Similar properties nearby
1 Douglas Bader House, 9 Gibson Close
TW7 6NE
1 Church Street
TW7 6BL
1 Bridge Wharf Road
TW7 6BS
1 Christabel Close
TW7 6EJ
1 Gisbey House, Union Lane
TW7 6GH
1 Hawkfield Court, Woodlands Grove
TW7 6NU
1 Chase Court, Amhurst Gardens
TW7 6AH
1 Gumley Gardens
TW7 6PW
The neighbourhood at a glance
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.
Road noise across the postcode
Daytime· 07:00 – 23:00
50.8dB
Night-time· 23:00 – 07:00
40.4dB