11 Coed Y Llyn, Radyr, Cardiff, CF15 8RF
About 11 Coed Y Llyn
11 Coed Y Llyn is a four-bedroom detached house in Radyr, Cardiff, Cardiff (CF15 8RF). It has a recorded floor area of 126 m² (around 1356 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (March 2018) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2011. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump.
Last sale on file: £305,000 in July 2018. Across the public record there are 4 sales, relatively high churn for a single property. At 126 m² it's 16.7% larger than the typical home in the postcode (108 m² median across 6 EPCs). Across 2006–2018, sale prices on this property compounded at 3.8% per year. Today's modelled estimate of £415,000 is 36.1% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£225/sq ft) was about 25.3% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- ParkingYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
11 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
11 Coed Y Llyn valuation sits well clear of the typical sold price in this postcode.
£415,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.8% per year over 12 years.
£305,000
Growth on file: 3.8% per year over 12 years.
Sales timeline
19 July 2018Most recent
£305,000
+27.1%over 6 years10 February 2012
£240,000
-4.0%over 4 years17 December 2007
£249,999
+28.2%over 1 year16 July 2006
£195,000
Median price across the last 5 sales in CF15 8RF: £325,000 (2023–2014).
Nearby sales in CF15 8RF
1 Coed Y Llyn, Radyr, Cardiff, CF15 8RF
Sold Sept 2023
£410,0005 Coed Y Llyn, Radyr, Cardiff, CF15 8RF
Sold Aug 2021
£325,0008 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
On price per m², 11 Coed Y Llyn runs well behind the street norm.
Price per m²
£2,421
Street avg £3,091
Floor Area
126 m²
Street avg 102 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.1 t/year
Similar properties nearby
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CF15 8RL
1 Clos Y Gwyddfid, Morganstown
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1 Clos Y Mynydd, Morganstown
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1 Clos Tylaway, Radyr
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1 Caer Idwen, Morganstown
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1 Brynhyfryd, Radyr
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1 Bryn Castell, Radyr
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1 Clos Parc Radur, Radyr
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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.







