3 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU
About 3 Parc Castell Y Mynach
3 Parc Castell Y Mynach is a four-bedroom detached house in Creigiau, Cardiff, Cardiff (CF15 9NU). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (July 2020) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump.
Today's modelled estimate of £488,000 sits 52.5% above the 2021 sale of £320,000. On a £-per-square-foot basis, the last sale (£248/sq ft) was about 17.1% above the typical sold price in the postcode. Sold June 2021 for £320,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms2
Outside
- Private gardenWrap around
- ParkingOff road
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
3 Parc Castell Y Mynach has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£488,000
Modelled from EPC, postcode comparables.
£320,000
Recorded with HM Land Registry.
Sales timeline
3 June 2021Most recent
£320,000
Median price across the last 5 sales in CF15 9NU: £470,000 (2025–2022).
Nearby sales in CF15 9NU
23 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU
Sold Jul 2025
£470,0001 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU
Sold Mar 2025
£560,00017 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU
Sold Sept 2022
£366,20014 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU
Sold Sept 2022
£635,00012 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU
Sold Apr 2022
£355,000
Versus other Parc Castell Y Mynach homes
Habitable Rooms for 3 Parc Castell Y Mynach runs comfortably ahead of the street norm.
Price per m²
£2,667
Street avg £2,764
Floor Area
120 m²
Street avg 130 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
5.1 t/year
Street avg 4.7 t/year
Similar properties nearby
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1 Dol Y Felin, Creigiau
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1 Erw Wen, Pentyrch
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1 Bryn Siriol, Pentyrch
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1 Brodeg, Pentyrch
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Tregarth Lodge — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







