12 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
About 12 Clos Cwm Du
12 Clos Cwm Du is a four-bedroom detached house in Pontprennau, Cardiff, Cardiff (CF23 8LE). It has a recorded floor area of 93 m² (around 997 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (February 2011) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 70). The latest certificate is from February 2011, so improvements made since then won't be reflected. The home occupies a cul-de-sac position.
Across 1998–2017, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £421,000 is 33.7% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£316/sq ft) was about 69.1% above the typical sold price in the postcode. Last changed hands 9 years ago, in August 2017.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- GarageYes
- Cul-de-sacYes
Energy performance
12 Clos Cwm Du'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This certificate is over 10 years old and is no longer valid.Expired 20 Feb 2021
EPC Rating
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Planning history
12 Clos Cwm Du 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 1998.
£421,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 19 years.
£315,000
Growth on file: 6.2% per year over 19 years.
Sales timeline
24 August 2017Most recent
£315,000
+29.9%over 3 years17 January 2014
£242,500
+142.6%over 15 years17 September 1998
£99,950
Median price across the last 5 sales in CF23 8LE: £335,000 (2023–2018).
Nearby sales in CF23 8LE
30 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
Sold May 2023
£395,00027 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
Sold Oct 2022
£285,00020 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
Sold Oct 2022
£505,00018 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
Sold Jan 2022
£335,0009 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
Sold Sept 2016
£249,950
Versus other Clos Cwm Du homes
12 Clos Cwm Du outperforms the street on price per m² by a wide margin.
Price per m²
£3,400
Street avg £2,528
Floor Area
93 m²
Street avg 98 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.1 t/year
Street avg 3.7 t/year
Similar properties nearby
1 Allt Y Wennol, Pontprennau
CF23 8AS
1 Clos Nant Y Cwm, Pontprennau
CF23 8LG
1 Clos Nant Mwlan, Pontprennau
CF23 8NA
1 Acorn Grove, Pontprennau
CF23 8NG
1 Blackberry Way, Pontprennau
CF23 8FE
1 Clos Alyn, Pontprennau
CF23 8LB
1 Clos Dol Heulog, Pontprennau
CF23 8AT
1 Amberwood Close, Pontprennau
CF23 8BZ
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.







