17 Austen Close, Llanrumney, Cardiff, CF3 5QU
About 17 Austen Close
17 Austen Close is a one-bedroom end-of-terrace house in Llanrumney, Cardiff, Cardiff (CF3 5QU). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (December 2025) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since August 2012. Between certificates, roof efficiency went from Average to Good; while lighting dropped from Good to Average. At 50 m² this is the 7th smallest of 18 units on EPC record in the building, where floor areas span 44–81 m². The building's EPC ratings span D to B across 18 units on file.
Untraded for 24 years, with the last transfer in July 2002. Today's modelled estimate of £106,000 sits 212.2% above the 2002 sale of £33,950. On a £-per-square-foot basis, the last sale (£63/sq ft) was about 38.2% below the postcode norm. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Communal gardenYes
- ParkingYes
Building
- Heating systemGas
- RefurbishedYes
Energy performance
17 Austen Close's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 9 December 2035
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
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Planning history
17 Austen Close has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
17 Austen Close's estimated value is more than triple its earliest registered sale price (2002).
£106,000
Modelled from EPC, postcode comparables.
£33,950
Recorded with HM Land Registry.
Sales timeline
18 July 2002Most recent
£33,950
Median price across the last 5 sales in CF3 5QU: £53,000 (2019–2004).
Versus other Austen Close homes
On co₂ emissions, 17 Austen Close stands well clear of the street.
EPC Rating
76 (C)
Street avg 72 (C)
Floor Area
50 m²
Street avg 56 m²
CO₂ Emissions
1.3 t/year
Street avg 1.9 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Okehampton Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







