15a, Pownall Road, Hounslow, TW3 1YN
About 15a
15a is a four-bedroom mid-terrace house in Hounslow (TW3 1YN). It has a recorded floor area of 150 m² (around 1615 sq ft), construction records dating it to 2003-2006 and council tax band F. The latest certificate (June 2024) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (December 2012); the latest reading is one band lower. Between certificates, main heating went from Poor to Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 80). Main heating runs on electricity.
At 150 m² the property is well over the postcode median (81 m² across 30 EPCs), placing it in the larger end of the local stock. 4 bedrooms is on the larger side for this postcode, where 2 is the typical count. Today's modelled estimate of £616,000 sits 54% above the 2013 sale of £400,000. On a £-per-square-foot basis, the last sale (£248/sq ft) was about 32% below the postcode norm. On the market in March 2013 and unlisted since — roughly 13 years.
Know exactly what you're buying at 15a
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
- Bathrooms4
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system changed
Loft insulation upgraded to recommended levels
Planning history
15a has no planning applications on record.
Notable planning nearby
23applications of note in the surrounding area
We flagged 2 things worth checking at 15a
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
15a valuation sits well clear of the typical sold price in this postcode.
£616,000
Modelled from EPC, postcode comparables.
£400,000
Recorded with HM Land Registry.
Sales timeline
13 March 2013Most recent
£400,000
Median price across the last 5 sales in TW3 1YN: £350,000 (2023–2022).
Nearby sales in TW3 1YN
Everything we know about 15a, 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
15a is notably below the street on price per m².
Price per m²
£2,667
Street avg £3,405
Floor Area
150 m²
Street avg 120 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.0 t/year
Street avg 3.8 t/year
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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