17a, Flat 3, Wales Avenue, Carshalton, SM5 3QN
About 17a
17a is a semi-detached house in Carshalton (SM5 3QN). It has a recorded floor area of 33 m² (around 355 sq ft) and construction records dating it to 1983-1990. At 33 m² this is the 2nd smallest of 4 units on EPC record in 17a, where floor areas span 30–53 m². On EPC score it ranks last in the building (71 versus a best of 77). The latest certificate (October 2019) shows a C (score 71).
At 33 m² it sits well below the postcode median (71 m² across 24 EPCs), making it one of the more compact homes locally.
Everything you need to know about 17a
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
17a's carbon output is low for the local stock.
EPC Rating
Planning history
17a has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 17a
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.
- Larger development activity nearby
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Sales history & valuation
17a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£205,000
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 SM5 3QN: £450,000 (2025–2023).
Nearby sales in SM5 3QN
Versus other Wales Avenue homes
On habitable rooms, 17a runs well behind the street norm.
EPC Rating
71 (C)
Street avg 71 (C)
Floor Area
33 m²
Street avg 45 m²
CO₂ Emissions
1.4 t/year
Street avg 1.8 t/year
Habitable Rooms
1 rooms
Street avg 2 rooms
Everything you need to know about 17a
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
14/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cambridge Road / Carlshalton Road — bus stop.
Closest school
0.3 km
St Philomena's Catholic High School for Girls. 38 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
52.5dB
Night-time· 23:00 – 07:00
43.0dB