15 Clos Nant Mwlan, Pontprennau, Cardiff, CF23 8NA
About 15 Clos Nant Mwlan
15 Clos Nant Mwlan is a three-bedroom detached house in Pontprennau, Cardiff, Cardiff (CF23 8NA). It has a recorded floor area of 79 m² (around 846 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (July 2010) shows a D (score 60), on the cusp of jumping into the C band. The latest certificate is from July 2010, so improvements made since then won't be reflected.
It hasn't traded since November 1997, a hold of 29 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £323,000 sits 368.1% above the 1997 sale of £69,000. On a £-per-square-foot basis, the last sale (£82/sq ft) was about 57.1% below the postcode norm. At 79 m² it's 21.5% smaller than the typical home in the postcode (100 m² median across 23 EPCs).
What this property has
Inside
- Bedrooms3
Energy performance
15 Clos Nant Mwlan's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 26 Jul 2020
EPC Rating
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Planning history
15 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
15 Clos Nant Mwlan's modelled value sits at over four times its earliest registered sale price (1997).
£323,000
Modelled from EPC, postcode comparables.
£69,000
Recorded with HM Land Registry.
Sales timeline
28 November 1997Most recent
£69,000
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
On price per m², 15 Clos Nant Mwlan runs well behind the street norm.
Price per m²
£878
Street avg £2,802
Floor Area
79 m²
Street avg 100 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.0 t/year
Street avg 3.8 t/year
Similar properties nearby
1 Amberwood Close, Pontprennau
CF23 8BZ
1 Clos Dol Heulog, Pontprennau
CF23 8AT
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.







