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 89.1% 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This certificate is over 10 years old and is no longer valid.Expired 06 Oct 2025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
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
3 notable applications 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.
£402,000
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: £305,000 (2021–2012).
Nearby sales in CF15 8RF
5 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
£220,0003 Coed Y Llyn, Radyr, Cardiff, CF15 8RF
Sold Sept 2012
£177,000
Versus other Coed Y Llyn homes
Years Held for 1 Coed Y Llyn lags the street by a wide margin.
Price per m²
£3,628
Street avg £2,890
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
2/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.







