13b, Cefn Coed Avenue, Cardiff, CF23 6HE
About 13b
13b is a semi-detached house in Cardiff (CF23 6HE). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1967-1975 and council tax band D. At 67 m² this is the 4th smallest of 19 units on EPC record in the building, where floor areas span 66–156 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (November 2018) shows a C (score 74). The rating has held steady at C across 2 certificates since July 2011.
Today's modelled estimate of £208,000 sits 51.8% above the 2011 sale of £137,000. 15 years since the last transfer (October 2011). At 67 m² it's 17.4% smaller than the typical home in the postcode (81 m² median across 18 EPCs).
Energy performance
EPC Rating
Certificate validity
Valid until 17 November 2028
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
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Planning history
13b has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£208,000
Modelled from EPC, postcode comparables.
£137,000
Recorded with HM Land Registry.
Sales timeline
31 October 2011Most recent
£137,000
Median price across the last 5 sales in CF23 6HE: £390,000 (2025–2018).
Nearby sales in CF23 6HE
Versus other Cefn Coed Avenue homes
On price per m², 13b runs well behind the street norm.
Price per m²
£2,045
Street avg £2,347
Floor Area
67 m²
Street avg 73 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.0 t/year
Street avg 2.5 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.3 km
Torrens Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







