9 Pownall Road, Hounslow, TW3 1YN
About 9 Pownall Road
9 Pownall Road is a four-bedroom detached house in Hounslow (TW3 1YN). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (September 2025) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2012. Between certificates, roof efficiency went from Average to Good, hot-water efficiency went from Average to Good and lighting went from Poor to Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 82), a 2-band jump.
Today's modelled estimate of £662,000 sits 61.5% above the 2014 sale of £410,000. On a £-per-square-foot basis, the last sale (£405/sq ft) was about 20.4% above the typical sold price in the postcode. 6 planning records sit against the property, 1 approved, 3 refused. Past consents include HMO conversion, meaningful when judging how the property has evolved. At 94 m² it's 16.8% larger than the typical home in the postcode (81 m² median across 30 EPCs). 4 bedrooms is on the larger side for this postcode, where 2 is the typical count. On the market in February 2014 and unlisted since — roughly 12 years.
Know exactly what you're buying at 9 Pownall Road
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
- Bedrooms4
- EnsuiteYes
Outside
- ParkingOff street
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Roof insulation improved
More low energy lighting installed
Planning history
9 Pownall Road has 2 separate extension applications on the council record.
- Mar 2021HMOOutlineIn report
Certificate of Lawfulness for existing use of property as House of Multiple Occupation (HMO) of upto six individual people
Retrospective- Documents
- 7 docs on file
- Reference
- P/2021/0835
- Mar 2021HMOOutlineIn report
Change of use from a house to a six bedroomed six person house of multiple occupation.
- Reference
- P/2021/0031
We flagged 2 things worth checking at 9 Pownall Road
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
30-day money-back guarantee
Sales history & valuation
9 Pownall Road valuation sits well clear of the typical sold price in this postcode.
£662,000
Modelled from EPC, postcode comparables.
£410,000
Recorded with HM Land Registry.
Sales timeline
7 February 2014Most recent
£410,000
1 March 2006
£410,000
Median price across the last 5 sales in TW3 1YN: £350,000 (2023–2022).
Nearby sales in TW3 1YN
Everything we know about 9 Pownall Road, 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 Pownall Road homes
On price per m², 9 Pownall Road stands well clear of the street.
Price per m²
£4,362
Street avg £3,284
Floor Area
94 m²
Street avg 123 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.6 t/year
Street avg 3.8 t/year
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1 Pownall Road
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
16/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Pownall Gardens — bus stop.
Closest school
0.5 km
Chatsworth Primary School. 55 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
55.0dB

Night-time· 23:00 – 07:00
45.1dB