5 Coed Y Llyn, Cyncoed, Cardiff, CF23 6HR
About 5 Coed Y Llyn
5 Coed Y Llyn is a detached house in Cyncoed, Cardiff, Cardiff (CF23 6HR). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (February 2025) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 78), a 2-band jump.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
5 Coed Y Llyn sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
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Planning history
5 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
5 Coed Y Llyn has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£414,000
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.
Median price across the last 5 sales in CF23 6HR: £222,000 (2025–2009).
Nearby sales in CF23 6HR
6 Coed Y Llyn, Cyncoed, Cardiff, CF23 6HR
Sold May 2025
£220,00010 Coed Y Llyn, Cyncoed, Cardiff, CF23 6HR
Sold Sept 2022
£350,0002 Coed Y Llyn, Cyncoed, Cardiff, CF23 6HR
Sold Mar 2015
£222,0007 Coed Y Llyn, Cyncoed, Cardiff, CF23 6HR
Sold Jun 2009
£160,0001 Coed Y Llyn, Cyncoed, Cardiff, CF23 6HR
Sold Sept 1999
£98,000
Versus other Coed Y Llyn homes
EPC Rating for 5 Coed Y Llyn lags the street by a wide margin.
EPC Rating
48 (E)
Street avg 70 (C)
Floor Area
107 m²
Street avg 96 m²
CO₂ Emissions
6.1 t/year
Street avg 3.2 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Cartref — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







