20 Cwrt Treganna, Cowbridge Road East, Cardiff, CF5 1AU
About 20 Cwrt Treganna
20 Cwrt Treganna is a semi-detached house in Cardiff (CF5 1AU). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 2007-2011 and council tax band D. The latest certificate (October 2022) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since June 2012. Between certificates, roof efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. At 64 m² this is the 10th smallest of 20 units on EPC record in the building, where floor areas span 49–202 m². The building's EPC ratings span C to B, with this unit at the top.
Energy performance
20 Cwrt Treganna's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
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Planning history
20 Cwrt Treganna has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Cwrt Treganna has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£204,000
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.
Versus other Cowbridge Road East homes
20 Cwrt Treganna is notably below the street on co₂ emissions.
EPC Rating
81 (B)
Street avg 83 (B)
Floor Area
64 m²
Street avg 60 m²
CO₂ Emissions
1.2 t/year
Street avg 0.9 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Radnor Court — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







