Flat 4, 170 High Street, Hounslow, TW3 1BQ
About Flat 4
Flat 4 is an end-of-terrace house in Hounslow (TW3 1BQ). It has a recorded floor area of 35 m² (around 377 sq ft) and construction records dating it to 1930-1949. At 35 m² this is the smallest unit on EPC record across the building (35–63 m²). The building's EPC ratings span E to D, with this unit at the top. On EPC score it ranks first in the building (55 versus a worst of 39). The latest certificate (January 2026) shows a D (score 55), a step below the typical UK home. Earlier certificates rated it C (November 2015); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 74). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 35 m² it sits well below the postcode median (63 m² across 15 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at Flat 4
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
Flat 4's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
Flat 4 has no planning applications on record.
Notable planning nearby
23applications of note in the surrounding area
We flagged 2 things worth checking at Flat 4
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
Flat 4 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£180,000
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 1BQ: £970,000 (2021–2010).
Nearby sales in TW3 1BQ
Everything we know about Flat 4, 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 High Street homes
On floor area, Flat 4 runs well behind the street norm.
EPC Rating
55 (D)
Street avg 66 (D)
Floor Area
35 m²
Street avg 72 m²
CO₂ Emissions
0.6 t/year
Street avg 2.5 t/year
Habitable Rooms
1 rooms
Street avg 3 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
0.1 km
Douglas Road (TW3) — bus stop.
Closest school
0.3 km
Lift Kingsley. 50 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
54.5dB
Night-time· 23:00 – 07:00
44.7dB