10 Cwrt Y Berllan, Clarence Road, Cardiff, CF10 5DZ
About 10 Cwrt Y Berllan
10 Cwrt Y Berllan is a semi-detached house in Cardiff (CF10 5DZ). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 2012-2021 and council tax band D. At 41 m² this is the smallest unit on EPC record across the building (41–74 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (August 2025) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (August 2014); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average.
At 41 m² it sits well below the postcode median (61 m² across 18 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs).
Energy performance
10 Cwrt Y Berllan's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 11 August 2035
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Planning history
10 Cwrt Y Berllan has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
10 Cwrt Y Berllan has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£149,000
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 Clarence Road homes
10 Cwrt Y Berllan is notably below the street on floor area.
EPC Rating
80 (C)
Street avg 83 (B)
Floor Area
41 m²
Street avg 59 m²
CO₂ Emissions
0.8 t/year
Street avg 0.8 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
485/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Pomeroy Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







