18 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
About 18 Clos Cwm Du
18 Clos Cwm Du is a three-bedroom detached house in Pontprennau, Cardiff, Cardiff (CF23 8LE). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (May 2014) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump. The latest certificate is from May 2014, so improvements made since then won't be reflected. The home occupies a cul-de-sac position.
One planning record on file: an extension approved in 2017. Past consents include an extension, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£296/sq ft) was about 58.7% above the typical sold price in the postcode. Most recent transfer: January 2022 at £335,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- CloakroomYes
Outside
- ParkingOff road
- Cul-de-sacYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 07 May 2024
EPC Rating
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Planning history
18 Clos Cwm Du has an approved single-storey side extension on the planning record.
1 application on record at 18 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
- Sept 2017ExtensionFullOutcome in report
Extension: Single storey · Side of property
FIRST FLOOR SIDE EXTENSION TO CREATE AN EXTRA BEDROOM AND OFFICE
- Documents
- 13 docs on file
- Reference
- 17/01943/DCH
Unlock 18 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 13 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£364,000
Modelled from EPC, postcode comparables.
£335,000
Recorded with HM Land Registry.
Sales timeline
14 January 2022Most recent
£335,000
Median price across the last 5 sales in CF23 8LE: £335,000 (2023–2017).
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
£505,00012 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
Sold Aug 2017
£315,0009 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
Sold Sept 2016
£249,950
Versus other Clos Cwm Du homes
18 Clos Cwm Du is notably below the street on epc rating.
Price per m²
£3,190
Street avg £2,542
Floor Area
105 m²
Street avg 97 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
4.7 t/year
Street avg 3.8 t/year
Similar properties nearby
1 Clos Alyn, Pontprennau
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1 Amberwood Close, Pontprennau
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1 Amblecote Close, Pontprennau
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1 Amber Close, Pontprennau
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1 Butterfield Drive, Pontprennau
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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.







