1 Clos Yr Onnen, Capel Llanilltern, Cardiff, CF5 6GP
About 1 Clos Yr Onnen
1 Clos Yr Onnen is a detached house in Capel Llanilltern, Cardiff, Cardiff (CF5 6GP). It has a recorded floor area of 113 m² (around 1216 sq ft) and construction records dating it to 2022. The latest certificate (June 2022) returns a B (score 84), comfortably above the UK average. The recommended improvements would push it to A (score 94).
Today's modelled estimate of £419,000 is 15.7% above the 2022 sale price. Last sale on file: £361,995 in June 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
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Planning history
1 Clos Yr Onnen 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£419,000
Modelled from EPC, postcode comparables.
£361,995
Recorded with HM Land Registry.
Sales timeline
29 June 2022Most recent
£361,995
Median price across the last 4 sales in CF5 6GP: £364,995 (2022–2022).
Nearby sales in CF5 6GP
Versus other Clos Yr Onnen homes
On price per m², 1 Clos Yr Onnen runs well behind the street norm.
Price per m²
£3,203
Street avg £3,627
Floor Area
113 m²
Street avg 102 m²
CO₂ Emissions
1.6 t/year
Street avg 1.6 t/year
Years Held
4 years
Street avg 4 years
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Robin Hill — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







