17 Douglas Bader House, 9 Gibson Close, Isleworth, TW7 6NE
About 17 Douglas Bader House
17 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. 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, with this unit at the bottom. The latest certificate (April 2022) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity.
Untraded for 22 years, with the last transfer in October 2004. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2000–2004, sale prices on this property compounded at 27.5% per year. Today's modelled estimate of £219,000 is 37.7% above the 2004 sale price. On a £-per-square-foot basis, the last sale (£284/sq ft) was about 19.4% above the typical sold price in the postcode.
Know exactly what you're buying at 17 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
- Bathrooms1
Energy performance
17 Douglas Bader House sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
17 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 17 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
Sale price has at least doubled since 2000.
£219,000
Modelled from EPC, postcode comparables and a sale-price growth of 27.5% per year over 4 years.
£159,000
Growth on file: 27.5% per year over 4 years.
Sales timeline
27 October 2004Most recent
£159,000
+165.0%over 4 years25 October 2000
£60,000
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 17 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
On epc rating, 17 Douglas Bader House runs well behind the street norm.
Price per m²
£3,058
Street avg £3,495
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