23 Parc Y Nant, Nantgarw, Cardiff, CF15 7TJ
About 23 Parc Y Nant
23 Parc Y Nant is a four-bedroom detached house in Nantgarw, Cardiff, Cardiff (CF15 7TJ). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (August 2014) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. The latest certificate is from August 2014, 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. Last changed hands 11 years ago, in December 2014. Across 1996–2014, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £355,000 is 47.9% above the 2014 sale price.
What this property has
Inside
- Bedrooms4
Energy performance
23 Parc Y Nant 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This certificate is over 10 years old and is no longer valid.Expired 06 Aug 2024
EPC Rating
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Planning history
23 Parc Y Nant 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
Sale price has at least doubled since 1996.
£355,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 18 years.
£240,000
Growth on file: 5.8% per year over 18 years.
Sales timeline
17 December 2014Most recent
£240,000
+4.4%over 7 years4 January 2007
£229,950
+165.1%over 10 years22 November 1996
£86,750
Median price across the last 5 sales in CF15 7TJ: £357,750 (2025–2019).
Nearby sales in CF15 7TJ
19 Parc Y Nant, Nantgarw, Cardiff, CF15 7TJ
Sold Aug 2025
£320,0001 Parc Y Nant, Nantgarw, Cardiff, CF15 7TJ
Sold Aug 2025
£520,0007 Parc Y Nant, Nantgarw, Cardiff, CF15 7TJ
Sold Oct 2022
£335,00016 Parc Y Nant, Nantgarw, Cardiff, CF15 7TJ
Sold Nov 2021
£357,75014 Parc Y Nant, Nantgarw, Cardiff, CF15 7TJ
Sold Feb 2019
£385,000
Versus other Parc Y Nant homes
EPC Rating for 23 Parc Y Nant lags the street by a wide margin.
Price per m²
£2,143
Street avg £2,526
Floor Area
112 m²
Street avg 110 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
6.2 t/year
Street avg 4.1 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
Parc-y-nant — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







