13 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
About 13 Clos Cwm Du
13 Clos Cwm Du is a three-bedroom semi-detached house in Pontprennau, Cardiff, Cardiff (CF23 8LE). It has a recorded floor area of 88 m² (around 952 sq ft) and council tax band E. The latest certificate (October 2009) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 74). The latest certificate is from October 2009, so improvements made since then won't be reflected.
It hasn't traded since February 2010, a hold of 16 years that's notably long for the area. Across 1997–2010, sale prices on this property compounded at 6.6% per year. Today's modelled estimate of £314,000 sits 79.4% above the 2010 sale of £175,000. One planning record on file: an extension approved in 2019. Past consents include an extension, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms3
- Dining roomYes
Building
- RefurbishedYes
Energy performance
13 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This certificate is over 10 years old and is no longer valid.Expired 29 Oct 2019
EPC Rating
Certificate validity
Expired on 29 October 2019
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
13 Clos Cwm Du has an approved single-storey extension on the planning record.
1 application on record at 13 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
- Mar 2019ExtensionFullOutcome in report
Extension: Single storey
PROPOSED FIRST FLOOR EXTENSION OVER GARAGE
- Documents
- 7 docs on file
- Reference
- 19/00208/DCH
Unlock 13 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- Every decision — granted, refused or withdrawn (1 on record)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 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
13 Clos Cwm Du has more than doubled in price since the earliest registered sale in 1997.
£314,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 12 years.
£175,000
Growth on file: 6.6% per year over 12 years.
Sales timeline
22 February 2010Most recent
£175,000
+73.3%over 9 years11 May 2000
£101,000
+25.5%over 2 years15 December 1997
£80,500
Median price across the last 5 sales in CF23 8LE: £335,000 (2025–2022).
Nearby sales in CF23 8LE
23 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
Sold Nov 2025
£280,00030 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
Sold May 2023
£395,00020 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
Sold Oct 2022
£505,00027 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
Sold Oct 2022
£285,00018 Clos Cwm Du, Pontprennau, Cardiff, CF23 8LE
Sold Jan 2022
£335,000
Versus other Clos Cwm Du homes
On epc rating, 13 Clos Cwm Du runs well behind the street norm.
Price per m²
£1,978
Street avg £2,766
Floor Area
88 m²
Street avg 96 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
5.3 t/year
Street avg 3.6 t/year
Similar properties nearby
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The neighbourhood at a glance
Crime
169/mo
Falling 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.







