1a, Catherine Gardens, Hounslow, TW3 2PP
About 1a
1a is a detached house in Hounslow (TW3 2PP). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1991-1995 and council tax band B. At 51 m² this is the 6th smallest of 11 units on EPC record in the building, where floor areas span 17–183 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (March 2019) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (March 2009); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good.
Held since January 1995 — that's 31 years off the open market, well above the local norm. 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 £306,000 sits 206% above the 1995 sale of £100,000. On a £-per-square-foot basis, the last sale (£182/sq ft) was about 38.5% below the postcode norm. At 51 m² it's 19% smaller than the typical home in the postcode (63 m² median across 10 EPCs). One historical planning record sits against the property in 2013.
Know exactly what you're buying at 1a
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
- Nov 2013ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of a single storey rear extension.
- Documents
- 5 docs on file
- Reference
- P/2013/3321
We flagged 1 thing worth checking at 1a
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
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Sales history & valuation
1a's estimated value is more than triple its earliest registered sale price (1995).
£306,000
Modelled from EPC, postcode comparables.
£100,000
Recorded with HM Land Registry.
Sales timeline
13 January 1995Most recent
£100,000
Median price across the last 5 sales in TW3 2PP: £468,000 (2023–2000).
Nearby sales in TW3 2PP
Everything we know about 1a, 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 Catherine Gardens homes
1a is notably below the street on epc rating.
EPC Rating
65 (D)
Street avg 72 (C)
Floor Area
51 m²
Street avg 31 m²
CO₂ Emissions
2.3 t/year
Street avg 1.3 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
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1 Catherine Gardens
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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
0.2 km
Eaton Road — bus stop.
Closest school
0.3 km
Chatsworth Primary School. 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
49.6dB

Night-time· 23:00 – 07:00
39.0dB