25 Cwrt Idris, Arudur Hen, Radyr, Cardiff, CF15 8FU
About 25 Cwrt Idris
25 Cwrt Idris is a detached house in Radyr, Cardiff, Cardiff (CF15 8FU). It has a recorded floor area of 58 m² (around 624 sq ft) and construction records dating it to 2012-2021. At 58 m² this is the 10th smallest of 23 units on EPC record in the building, where floor areas span 40–90 m². The building's EPC ratings span C to A, with this unit at the bottom. The latest certificate (November 2025) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (November 2020); 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 58 m² it's 18.3% smaller than the typical home in the postcode (71 m² median across 22 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs).
Energy performance
25 Cwrt Idris's carbon output is low for the local stock.
EPC Rating
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Planning history
25 Cwrt Idris has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
25 Cwrt Idris has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£182,000
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 Arudur Hen homes
EPC Rating
80 (C)
Street avg 81 (B)
Floor Area
58 m²
Street avg 57 m²
CO₂ Emissions
1.1 t/year
Street avg 1.0 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
1 Clos Y Fwyalchen Wen, Radyr
CF15 8HE
1 Clos Maedref, Radyr
CF15 8DS
1 Chapel Road, Morganstown
CF15 8LL
1 Cefn Coch, Radyr
CF15 8BJ
1 Arudur Hen, Radyr
CF15 8FX
1 Clos Parc Radur, Radyr
CF15 8GH
1 Brunel Court, Radyr
CF15 8FQ
1 Blaen Y Coed, Radyr
CF15 8RL
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Mellingriffith Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







