18 Clos Nant Mwlan, Pontprennau, Cardiff, CF23 8NA
About 18 Clos Nant Mwlan
18 Clos Nant Mwlan is a three-bedroom detached house in Pontprennau, Cardiff, Cardiff (CF23 8NA). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (September 2019) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump. The home occupies a cul-de-sac position.
Untraded for 24 years, with the last transfer in April 2002. Today's modelled estimate of £331,000 sits 203.7% above the 2002 sale of £109,000. On a £-per-square-foot basis, the last sale (£123/sq ft) was about 35% below the postcode norm. At 82 m² it's 18% smaller than the typical home in the postcode (100 m² median across 23 EPCs).
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageSingle
- Cul-de-sacYes
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
18 Clos Nant Mwlan 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
18 Clos Nant Mwlan's estimated value is more than triple its earliest registered sale price (2002).
£331,000
Modelled from EPC, postcode comparables.
£109,000
Recorded with HM Land Registry.
Sales timeline
2 April 2002Most recent
£109,000
Median price across the last 5 sales in CF23 8NA: £370,000 (2025–2024).
Nearby sales in CF23 8NA
32 Clos Nant Mwlan, Pontprennau, Cardiff, CF23 8NA
Sold Jul 2025
£326,00011 Clos Nant Mwlan, Pontprennau, Cardiff, CF23 8NA
Sold Jul 2025
£357,50022 Clos Nant Mwlan, Pontprennau, Cardiff, CF23 8NA
Sold Jul 2025
£410,00017 Clos Nant Mwlan, Pontprennau, Cardiff, CF23 8NA
Sold Mar 2025
£423,00012 Clos Nant Mwlan, Pontprennau, Cardiff, CF23 8NA
Sold Sept 2024
£370,000
Versus other Clos Nant Mwlan homes
18 Clos Nant Mwlan is notably below the street on habitable rooms.
Price per m²
£1,329
Street avg £2,781
Floor Area
82 m²
Street avg 100 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
4.1 t/year
Street avg 3.8 t/year
Similar properties nearby
1 Clos Dol Heulog, Pontprennau
CF23 8AT
1 Amberwood Close, Pontprennau
CF23 8BZ
1 Clos Alyn, Pontprennau
CF23 8LB
1 Amblecote Close, Pontprennau
CF23 8BY
1 Amber Close, Pontprennau
CF23 8AW
1 Butterfield Drive, Pontprennau
CF23 8NE
1 Blackberry Way, Pontprennau
CF23 8FE
1 Clos Nant Mwlan, Pontprennau
CF23 8NA
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
0.2 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.







