123a, High Street, Hounslow, TW3 1QL
About 123a
123a is an end-of-terrace house in Hounslow (TW3 1QL). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1930-1949 and council tax band C. At 65 m² this is the 9th smallest of 14 units on EPC record in the building, where floor areas span 19–92 m². The building's EPC ratings span G to A across 14 units on file. The latest certificate (May 2017) shows a D (score 59), a step below the typical UK home. The recommended improvements would push it to C (score 74).
At 65 m² the property is well over the postcode median (49 m² across 13 EPCs), placing it in the larger end of the local stock. One historical planning record sits against the property in 2023.
Know exactly what you're buying at 123a
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
Energy performance
EPC Rating
Planning history
A recent planning application at 123a was refused — worth checking the council file.
- Jul 2023ConversionFullIn report
Conversion of the existing first floor flat into a seating area as part of the ground floor commercial property
- Documents
- 8 docs on file
- Reference
- P/2023/1436
We flagged 3 things worth checking at 123a
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
- A planning decision worth checking
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Sales history & valuation
123a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£288,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in TW3 1QL: £1,000,001 (2024–2014).
Nearby sales in TW3 1QL
Everything we know about 123a, 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
- A planning decision worth checking

Versus other High Street homes
CO₂ Emissions for 123a lags the street by a wide margin.
EPC Rating
59 (D)
Street avg 67 (D)
Floor Area
65 m²
Street avg 58 m²
CO₂ Emissions
3.5 t/year
Street avg 1.8 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
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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
0.0 km
Fair Street — bus stop.
Closest school
0.2 km
Lift Kingsley. 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
53.9dB

Night-time· 23:00 – 07:00
43.9dB