14 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU
About 14 Parc Castell Y Mynach
14 Parc Castell Y Mynach is a four-bedroom detached house in Creigiau, Cardiff, Cardiff (CF15 9NU). It has a recorded floor area of 187 m² (around 2013 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (May 2022) shows a C (score 80), near the top of the C band. The rating has held steady at C across 2 certificates since April 2012. Between certificates, roof efficiency went from Good to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 82). Other recorded features include a conservatory. The home occupies a cul-de-sac position.
At 187 m² the property is well over the postcode median (120 m² across 19 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). One planning record on file: an extension approved in 2012. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£315/sq ft) was about 49.1% above the typical sold price in the postcode. Most recent transfer: September 2022 at £635,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- ConservatoryYes
Outside
- Private gardenFront
- GarageYes
- Cul-de-sacYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Window efficiency improved
Roof insulation improved
More low energy lighting installed
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Planning history
14 Parc Castell Y Mynach has an approved rear extension on the planning record.
1 application on record at 14 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU
- Dec 2012ConservatoryFullOutcome in report
Extension: Rear of property
REPLACE AND ENLARGE CONSERVATORY TO THE REAR
Extension- Documents
- 5 docs on file
- Reference
- 12/01808/DCH
Unlock 14 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 5 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 14 Parc Castell Y Mynach was the highest on Land Registry record across the postcode.
£669,000
Modelled from EPC, postcode comparables.
£635,000
Recorded with HM Land Registry.
Sales timeline
14 September 2022Most recent
£635,000
Median price across the last 5 sales in CF15 9NU: £366,200 (2025–2021).
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
£366,20012 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU
Sold Apr 2022
£355,0003 Parc Castell Y Mynach, Creigiau, Cardiff, CF15 9NU
Sold Jun 2021
£320,000
Versus other Parc Castell Y Mynach homes
On epc rating, 14 Parc Castell Y Mynach stands well clear of the street.
Price per m²
£3,396
Street avg £2,721
Floor Area
187 m²
Street avg 127 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.1 t/year
Street avg 4.8 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 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.







