5 Clos Nant Mwlan, Pontprennau, Cardiff, CF23 8NA
About 5 Clos Nant Mwlan
5 Clos Nant Mwlan is a four-bedroom detached house in Pontprennau, Cardiff, Cardiff (CF23 8NA). It has a recorded floor area of 136 m² (around 1463 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (January 2010) shows a D (score 57), a step below the typical UK home. The latest certificate is from January 2010, so improvements made since then won't be reflected.
At 136 m² the property is well over the postcode median (98 m² across 23 EPCs), placing it in the larger end of the local stock. Across 2002–2011, sale prices on this property compounded at 6% per year. Today's modelled estimate of £428,000 sits 82.1% above the 2011 sale of £235,000. On a £-per-square-foot basis, the last sale (£161/sq ft) was about 21.5% below the postcode norm. Last changed hands 15 years ago, in October 2011.
What this property has
Inside
- Bedrooms4
Energy performance
5 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This certificate is over 10 years old and is no longer valid.Expired 27 Jan 2020
EPC Rating
Certificate validity
Expired on 27 January 2020
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £695 · Includes VAT
Planning history
5 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
5 Clos Nant Mwlan's estimated value is more than triple its earliest registered sale price (2002).
£428,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 9 years.
£235,000
Growth on file: 6.0% per year over 9 years.
Sales timeline
27 October 2011Most recent
£235,000
+74.1%over 9 years9 May 2002
£135,000
Median price across the last 5 sales in CF23 8NA: £345,000 (2025–2025).
Nearby sales in CF23 8NA
36 Clos Nant Mwlan, Pontprennau, Cardiff, CF23 8NA
Sold Dec 2025
£343,00034 Clos Nant Mwlan, Pontprennau, Cardiff, CF23 8NA
Sold Nov 2025
£345,00032 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
£410,000
Versus other Clos Nant Mwlan homes
On epc rating, 5 Clos Nant Mwlan runs well behind the street norm.
Price per m²
£1,729
Street avg £2,823
Floor Area
136 m²
Street avg 98 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
5.4 t/year
Street avg 3.8 t/year
Similar properties nearby
1 Clos Nant Y Cwm, Pontprennau
CF23 8LG
1 Clos Nant Mwlan, Pontprennau
CF23 8NA
1 Blackberry Way, Pontprennau
CF23 8FE
1 Allt Y Wennol, Pontprennau
CF23 8AS
1 Acorn Grove, Pontprennau
CF23 8NG
1 Clos Dol Heulog, Pontprennau
CF23 8AT
1 Amberwood Close, Pontprennau
CF23 8BZ
1 Clos Alyn, Pontprennau
CF23 8LB
The neighbourhood at a glance
Crime
169/mo
Falling 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.







