21 Clos Nant Y Cor, Pontprennau, Cardiff, CF23 8LD
About 21 Clos Nant Y Cor
21 Clos Nant Y Cor is a three-bedroom detached house in Pontprennau, Cardiff, Cardiff (CF23 8LD). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (December 2023) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2009. Between certificates, roof efficiency went from Average to Good, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 82), a 2-band jump.
Last sale on file: £320,000 in March 2024. Across the public record there are 4 sales, relatively high churn for a single property. Across 2006–2024, sale prices on this property compounded at 2.4% per year. On a £-per-square-foot basis, the last sale (£330/sq ft) was about 46.4% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
Outside
- GarageYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 7 December 2033
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Roof insulation improved
More low energy lighting installed
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Planning history
21 Clos Nant Y Cor 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
21 Clos Nant Y Cor valuation sits well clear of the typical sold price in this postcode.
£346,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.4% per year over 18 years.
£320,000
Growth on file: 2.4% per year over 18 years.
Sales timeline
1 March 2024Most recent
£320,000
+14.3%over 7 years18 July 2016
£279,950
+38.6%over 7 years16 July 2009
£202,000
-3.8%over 3 years16 July 2006
£210,000
Median price across the last 5 sales in CF23 8LD: £331,000 (2026–2021).
Nearby sales in CF23 8LD
18 Clos Nant Y Cor, Pontprennau, Cardiff, CF23 8LD
Sold Apr 2026
£258,0006 Clos Nant Y Cor, Pontprennau, Cardiff, CF23 8LD
Sold Jan 2023
£485,00015 Clos Nant Y Cor, Pontprennau, Cardiff, CF23 8LD
Sold Feb 2022
£388,00020 Clos Nant Y Cor, Pontprennau, Cardiff, CF23 8LD
Sold Sept 2021
£331,00032 Clos Nant Y Cor, Pontprennau, Cardiff, CF23 8LD
Sold Feb 2021
£235,000
Versus other Clos Nant Y Cor homes
On years held, 21 Clos Nant Y Cor runs well behind the street norm.
Price per m²
£3,556
Street avg £2,727
Floor Area
90 m²
Street avg 91 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 3.7 t/year
Similar properties nearby
1 Clos Dol Heulog, Pontprennau
CF23 8AT
1 Amberwood Close, Pontprennau
CF23 8BZ
1 Clos Alyn, Pontprennau
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1 Amblecote Close, Pontprennau
CF23 8BY
1 Amber Close, Pontprennau
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1 Butterfield Drive, Pontprennau
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1 Blackberry Way, Pontprennau
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1 Clos Nant Mwlan, Pontprennau
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The neighbourhood at a glance
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Sindercombe Cl — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







