20 Parc Y Nant, Nantgarw, Cardiff, CF15 7TJ
About 20 Parc Y Nant
20 Parc Y Nant is a three-bedroom detached house in Nantgarw, Cardiff, Cardiff (CF15 7TJ). It has a recorded floor area of 75 m² (around 807 sq ft) and construction records dating it to 1983-1990. The latest certificate (May 2018) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to A (score 105), a 3-band jump. Other recorded features include a conservatory.
At 75 m² it sits well below the postcode median (112 m² across 13 EPCs), making it one of the more compact homes locally. Across 1998–2018, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £351,000 is 40.4% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£310/sq ft) was about 71.2% above the typical sold price in the postcode. Sold June 2018 for £249,950.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- ConservatoryYes
Outside
- Private gardenSide and rear
- GarageDetached
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
20 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
20 Parc Y Nant has more than tripled in price since its earliest registered sale in 1998.
£351,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 20 years.
£249,950
Growth on file: 6.4% per year over 20 years.
Sales timeline
27 June 2018Most recent
£249,950
+20.7%over 5 years30 July 2012
£207,000
+187.5%over 14 years5 May 1998
£72,000
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
20 Parc Y Nant outperforms the street on price per m² by a wide margin.
Price per m²
£3,333
Street avg £2,434
Floor Area
75 m²
Street avg 113 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
3.2 t/year
Street avg 4.3 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.







