1 Coed Y Llyn, Radyr, Cardiff, CF15 8RF
About 1 Coed Y Llyn
1 Coed Y Llyn is a four-bedroom semi-detached house in Radyr, Cardiff, Cardiff (CF15 8RF). It has a recorded floor area of 113 m² (around 1216 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (October 2015) shows a C (score 73). The rating has held steady at C across 2 certificates since June 2011. Between certificates, lighting went from Average to Good. The recommended improvements would push it to B (score 85). The latest certificate is from October 2015, so improvements made since then won't be reflected.
Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). Across 2012–2023, sale prices on this property compounded at 6% per year. On a £-per-square-foot basis, the last sale (£337/sq ft) was about 87.8% above the typical sold price in the postcode. Sold September 2023 for £410,000.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 06 Oct 2025
EPC Rating
Certificate validity
Expired on 6 October 2025
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
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Planning history
1 Coed Y Llyn 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
Latest sale on 1 Coed Y Llyn was the highest on Land Registry record across the postcode.
£422,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 12 years.
£410,000
Growth on file: 6.0% per year over 12 years.
Sales timeline
26 September 2023Most recent
£410,000
+51.9%over 7 years11 March 2016
£270,000
+29.5%over 4 years17 February 2012
£208,500
Median price across the last 5 sales in CF15 8RF: £325,000 (2026–2014).
Nearby sales in CF15 8RF
2 Coed Y Llyn, Radyr, Cardiff, CF15 8RF
Sold Jan 2026
£405,0005 Coed Y Llyn, Radyr, Cardiff, CF15 8RF
Sold Aug 2021
£325,00011 Coed Y Llyn, Radyr, Cardiff, CF15 8RF
Sold Jul 2018
£305,0008 Coed Y Llyn, Radyr, Cardiff, CF15 8RF
Sold Jan 2017
£385,0009 Coed Y Llyn, Radyr, Cardiff, CF15 8RF
Sold Aug 2014
£220,000
Versus other Coed Y Llyn homes
EPC Rating for 1 Coed Y Llyn runs comfortably ahead of the street norm.
Price per m²
£3,628
Street avg £3,168
Floor Area
113 m²
Street avg 104 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.3 t/year
Street avg 4.3 t/year
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The neighbourhood at a glance
Crime
85/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Coed y Llyn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







