44a, Addison Avenue, Hounslow, TW3 4AP
About 44a
44a is a semi-detached house in Hounslow (TW3 4AP). It has a recorded floor area of 41 m² (around 441 sq ft) and construction records dating it to 1930-1949. At 41 m² this is the 4th smallest of 23 units on EPC record in the building, where floor areas span 18–143 m². The building's EPC ratings span G to C, with this unit at the top. The latest certificate (July 2025) shows a C (score 71). The rating has held steady at C across 4 certificates since October 2009. Between certificates, wall efficiency went from Very Poor to Poor; while lighting dropped from Very Good to Good.
At 41 m² it sits well below the postcode median (91 m² across 22 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 77% of similar EPCs).
Know exactly what you're buying at 44a
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
44a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Window efficiency improved
Wall insulation improved
Heating controls upgraded for better temperature management
Cavity wall insulation installed
Floor insulation added or improved
Low energy lighting percentage decreased
More low energy lighting installed
Planning history
44a has no planning applications on record.
Notable planning nearby
18applications of note in the surrounding area
We flagged 1 thing worth checking at 44a
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
30-day money-back guarantee
Sales history & valuation
44a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£286,000
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 4AP: £530,000 (2025–2021).
Nearby sales in TW3 4AP
Everything we know about 44a, 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
Versus other Addison Avenue homes
On epc rating, 44a stands well clear of the street.
EPC Rating
71 (C)
Street avg 62 (D)
Floor Area
41 m²
Street avg 40 m²
CO₂ Emissions
1.5 t/year
Street avg 2.4 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
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
Spring Grove Crescent — bus stop.
Closest school
0.3 km
Alexandra Primary School. 48 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
54.0dB
Night-time· 23:00 – 07:00
44.6dB