21 Clos Nant Y Cwm, Pontprennau, Cardiff, CF23 8LG
About 21 Clos Nant Y Cwm
21 Clos Nant Y Cwm is a two-bedroom semi-detached house in Pontprennau, Cardiff, Cardiff (CF23 8LG). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (July 2014) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 89), a 2-band jump. The latest certificate is from July 2014, so improvements made since then won't be reflected.
Last changed hands 12 years ago, in November 2014. Across the public record there are 4 sales, relatively high churn for a single property. Across 1995–2014, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £254,000 is 45.2% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£250/sq ft) was about 112.3% above the typical sold price in the postcode. At 65 m² it's 20.7% smaller than the typical home in the postcode (82 m² median across 16 EPCs).
What this property has
Inside
- Bedrooms2
- Dining roomYes
Outside
- Private gardenYes
- GarageYes
Building
- Central heatingYes
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Jul 2024
EPC Rating
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Planning history
21 Clos Nant Y Cwm 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 grown by over 3x since 1995.
£254,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 19 years.
£174,950
Growth on file: 6.2% per year over 19 years.
Sales timeline
3 November 2014Most recent
£174,950
+84.2%over 12 years21 August 2002
£95,000
+25.1%over 1 year15 December 2000
£75,950
+40.0%over 5 years25 May 1995
£54,250
Median price across the last 5 sales in CF23 8LG: £208,000 (2024–2018).
Nearby sales in CF23 8LG
14 Clos Nant Y Cwm, Pontprennau, Cardiff, CF23 8LG
Sold Oct 2024
£260,0006 Clos Nant Y Cwm, Pontprennau, Cardiff, CF23 8LG
Sold Jan 2021
£276,00025 Clos Nant Y Cwm, Pontprennau, Cardiff, CF23 8LG
Sold Dec 2020
£208,00016 Clos Nant Y Cwm, Pontprennau, Cardiff, CF23 8LG
Sold Nov 2018
£190,00031 Clos Nant Y Cwm, Pontprennau, Cardiff, CF23 8LG
Sold Mar 2018
£137,500
Versus other Clos Nant Y Cwm homes
Price per m²
£2,692
Street avg £2,161
Floor Area
65 m²
Street avg 82 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.6 t/year
Similar properties nearby
1 Almond Drive, Pontprennau
CF23 8HD
1 Butterfield Drive, Pontprennau
CF23 8NE
1 Amber Close, Pontprennau
CF23 8AW
1 Amblecote Close, Pontprennau
CF23 8BY
1 Amberwood Close, Pontprennau
CF23 8BZ
1 Clos Dol Heulog, Pontprennau
CF23 8AT
1 Clos Alyn, Pontprennau
CF23 8LB
1 Blackberry Way, Pontprennau
CF23 8FE
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Clos Cwm Du — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







