17 Clos Dol Heulog, Pontprennau, Cardiff, CF23 8AT
About 17 Clos Dol Heulog
17 Clos Dol Heulog is a four-bedroom detached house in Pontprennau, Cardiff, Cardiff (CF23 8AT). It has a recorded floor area of 129 m² (around 1383 sq ft), construction records dating it to 2003-2006 and council tax band F. The latest certificate (October 2008) shows a C (score 74). The latest certificate is from October 2008, so improvements made since then won't be reflected.
It hasn't traded since March 2011, a hold of 15 years that's notably long for the area. At 129 m² the property is well over the postcode median (59 m² across 23 EPCs), placing it in the larger end of the local stock. Across 2002–2011, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £403,000 sits 71.5% above the 2011 sale of £235,000. On a £-per-square-foot basis, the last sale (£170/sq ft) was about 18.3% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms4
- Bathrooms2
Outside
- DrivewayYes
Building
- RefurbishedYes
Energy performance
17 Clos Dol Heulog'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This certificate is over 10 years old and is no longer valid.Expired 30 Oct 2018
EPC Rating
Certificate validity
Expired on 30 October 2018
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Planning history
17 Clos Dol Heulog has an approved extension on the planning record.
2 applications on record at 17 Clos Dol Heulog, Pontprennau, Cardiff, CF23 8AT
- Mar 2025ExtensionFullOutcome in report
Extension: Part single, part two storey · Rear of property
Construction of part two storey, part single storey rear extension and reinstatement of part of previously converted garage to storage area.
- Documents
- 13 docs on file
- Reference
- 25/00300/HSE
- More recent applications — locked
- ExtensionMay 2025Decision
Unlock 17 Clos Dol Heulog, Pontprennau, Cardiff, CF23 8AT's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 1 notable nearby
- The 25 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
17 Clos Dol Heulog valuation sits well clear of the typical sold price in this postcode.
£403,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 8 years.
£235,000
Growth on file: 2.9% per year over 8 years.
Sales timeline
28 March 2011Most recent
£235,000
+27.0%over 8 years28 October 2002
£184,995
Median price across the last 5 sales in CF23 8AT: £167,000 (2026–2023).
Nearby sales in CF23 8AT
18 Clos Dol Heulog, Pontprennau, Cardiff, CF23 8AT
Sold Mar 2026
£167,0008 Clos Dol Heulog, Pontprennau, Cardiff, CF23 8AT
Sold Nov 2024
£365,00010 Clos Dol Heulog, Pontprennau, Cardiff, CF23 8AT
Sold Aug 2024
£340,00024 Clos Dol Heulog, Pontprennau, Cardiff, CF23 8AT
Sold Dec 2023
£150,00036 Clos Dol Heulog, Pontprennau, Cardiff, CF23 8AT
Sold Mar 2023
£160,000
Versus other Clos Dol Heulog homes
EPC Rating for 17 Clos Dol Heulog runs comfortably ahead of the street norm.
Price per m²
£1,829
Street avg £2,530
Floor Area
129 m²
Street avg 108 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.6 t/year
Similar properties nearby
1 Clos Nant Mwlan, Pontprennau
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1 Blackberry Way, Pontprennau
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1 Acorn Grove, Pontprennau
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1 Clos Dol Heulog, Pontprennau
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1 Amberwood Close, Pontprennau
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1 Clos Alyn, Pontprennau
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The neighbourhood at a glance
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.3 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.







