21 Ambassador Close, Hounslow, TW3 3DW
About 21 Ambassador Close
21 Ambassador Close is a mid-terrace house in Hounslow (TW3 3DW). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1930-1949 and council tax band C. At 66 m² this is the 16th smallest of 27 units on EPC record in the building, where floor areas span 26–89 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (March 2021) shows a C (score 72). The rating has held steady at C across 2 certificates since February 2010. Between certificates, window efficiency dropped from Good to Average.
It hasn't traded since August 2000, a hold of 26 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £300,000 sits 189.9% above the 2000 sale of £103,500. On a £-per-square-foot basis, the last sale (£146/sq ft) was about 20.8% below the postcode norm.
Know exactly what you're buying at 21 Ambassador Close
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
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
21 Ambassador Close has no planning applications on record.
Notable planning nearby
24applications of note in the surrounding area
We flagged 2 things worth checking at 21 Ambassador Close
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
21 Ambassador Close valuation sits well clear of the typical sold price in this postcode.
£300,000
Modelled from EPC, postcode comparables.
£103,500
Recorded with HM Land Registry.
Sales timeline
30 August 2000Most recent
£103,500
Median price across the last 5 sales in TW3 3DW: £275,000 (2024–2015).
Nearby sales in TW3 3DW
Everything we know about 21 Ambassador Close, 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 Ambassador Close homes
On floor area, 21 Ambassador Close stands well clear of the street.
Price per m²
£1,568
Street avg £2,434
Floor Area
66 m²
Street avg 64 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.7 t/year
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
0.2 km
Hounslow West Station — tram stop.
Closest school
0.5 km
Wellington Primary School. 36 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
46.8dB