35 Cwrt Idris, Arudur Hen, Radyr, Cardiff, CF15 8FU
About 35 Cwrt Idris
35 Cwrt Idris is a detached house in Radyr, Cardiff, Cardiff (CF15 8FU). It has a recorded floor area of 56 m² (around 603 sq ft) and construction records dating it to 2012-2021. At 56 m² this is the 7th 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 (March 2026) 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 roof efficiency dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
At 56 m² it's 21.1% 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
35 Cwrt Idris's carbon output is low for the local stock.
EPC Rating
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Planning history
35 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
35 Cwrt Idris has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£189,000
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
56 m²
Street avg 58 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.







