15 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF
About 15 Clos Nant Ddu
15 Clos Nant Ddu is a three-bedroom detached house in Pontprennau, Cardiff, Cardiff (CF23 8LF). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (August 2025) shows a C (score 70). Records show the property has been extended at some point in its history.
At 100 m² the property is well over the postcode median (55 m² across 15 EPCs), placing it in the larger end of the local stock. A recent sale: £390,000 in October 2025. Across 1995–2025, sale prices on this property compounded at 5.8% per year. On a £-per-square-foot basis, the last sale (£362/sq ft) was about 106.3% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- DrivewayYes
Building
- Previously extendedYes
Energy performance
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
15 Clos Nant Ddu 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
Latest sale on 15 Clos Nant Ddu was the highest on Land Registry record across the postcode.
£396,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 30 years.
£390,000
Growth on file: 5.8% per year over 30 years.
Sales timeline
8 October 2025Most recent
£390,000
+457.1%over 30 years29 June 1995
£70,000
Median price across the last 5 sales in CF23 8LF: £176,500 (2024–2019).
Nearby sales in CF23 8LF
30 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF
Sold Oct 2024
£200,00020 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF
Sold Mar 2023
£215,00016 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF
Sold Apr 2019
£162,00036 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF
Sold Mar 2019
£168,5003 Clos Nant Ddu, Pontprennau, Cardiff, CF23 8LF
Sold Feb 2019
£176,500
Versus other Clos Nant Ddu homes
On price per m², 15 Clos Nant Ddu stands well clear of the street.
Price per m²
£3,900
Street avg £2,736
Floor Area
100 m²
Street avg 72 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
3.2 t/year
Street avg 2.6 t/year
Similar properties nearby
1 Clos Alyn, Pontprennau
CF23 8LB
1 Clos Dol Heulog, Pontprennau
CF23 8AT
1 Amberwood Close, Pontprennau
CF23 8BZ
1 Amblecote Close, Pontprennau
CF23 8BY
1 Amber Close, Pontprennau
CF23 8AW
1 Butterfield Drive, Pontprennau
CF23 8NE
1 Clos Nant Mwlan, Pontprennau
CF23 8NA
1 Allt Y Wennol, Pontprennau
CF23 8AS
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
Pontprennau Community Centre — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







