3 Blaen Y Coed, Radyr, Cardiff, CF15 8RL
About 3 Blaen Y Coed
3 Blaen Y Coed is a four-bedroom detached house in Radyr, Cardiff, Cardiff (CF15 8RL). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (June 2012) shows an F (score 37), near the bottom of the EPC scale. The recommended improvements would lift it to B (score 84), a 4-band jump. The latest certificate is from June 2012, so improvements made since then won't be reflected.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £425,000 sits 70% above the 2012 sale of £250,000. On a £-per-square-foot basis, the last sale (£204/sq ft) was about 19.1% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. Last sold in September 2012, so it's been off the market for around 14 years.
What this property has
Inside
- Bedrooms4
Energy performance
3 Blaen Y Coed sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Jun 2022
EPC Rating
Certificate validity
Expired on 17 June 2022
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Planning history
2 applications on record at 3 Blaen Y Coed, Radyr, Cardiff, CF15 8RL
- Nov 2020PorchFullOutcome in report
Extension: Two storey
CONSTRUCTION OF A TWO STOREY SIDE EXTENSION, SINGLE STOREY REAR EXTENSION, FRONT PORCH AND ASSOCIATED WORKS
Extension- Documents
- 13 docs on file
- Reference
- 20/01918/DCH
- More recent applications — locked
- RenovationSept 2021Decision
Unlock 3 Blaen Y Coed, Radyr, Cardiff, CF15 8RL's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 1 notable nearby
- The 23 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
£425,000
Modelled from EPC, postcode comparables.
£250,000
Recorded with HM Land Registry.
Sales timeline
20 September 2012Most recent
£250,000
Median price across the last 5 sales in CF15 8RL: £435,000 (2025–2022).
Nearby sales in CF15 8RL
32 Blaen Y Coed, Radyr, Cardiff, CF15 8RL
Sold Dec 2025
£435,00013 Blaen Y Coed, Radyr, Cardiff, CF15 8RL
Sold Mar 2025
£372,5009 Blaen Y Coed, Radyr, Cardiff, CF15 8RL
Sold Feb 2025
£397,7502 Blaen Y Coed, Radyr, Cardiff, CF15 8RL
Sold Jun 2022
£455,0005 Blaen Y Coed, Radyr, Cardiff, CF15 8RL
Sold Apr 2022
£439,050
Versus other Blaen Y Coed homes
EPC Rating for 3 Blaen Y Coed lags the street by a wide margin.
Price per m²
£2,193
Street avg £2,879
Floor Area
114 m²
Street avg 126 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
8.4 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
0.2 km
Dan-Y-Bryn Ave — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







