7 Clos Heulwen, Taffs Well, Cardiff, CF15 7SZ
About 7 Clos Heulwen
7 Clos Heulwen is a detached house in Taffs Well, Cardiff, Cardiff (CF15 7SZ). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to 2003-2006 and council tax band F. The latest certificate (June 2016) shows a C (score 73). The recommended improvements would push it to B (score 82). The latest certificate is from June 2016, so improvements made since then won't be reflected.
At 115 m² the property is well over the postcode median (59 m² across 5 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £327,000 sits 104.4% above the 2016 sale of £160,000. On a £-per-square-foot basis, the last sale (£129/sq ft) was about 20.2% above the typical sold price in the postcode. 10 years since the last transfer (September 2016).
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Jun 2026
EPC Rating
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Planning history
7 Clos Heulwen 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
7 Clos Heulwen valuation sits well clear of the typical sold price in this postcode.
£327,000
Modelled from EPC, postcode comparables.
£160,000
Recorded with HM Land Registry.
Sales timeline
22 September 2016Most recent
£160,000
Median price across the last 5 sales in CF15 7SZ: £123,500 (2022–2006).
Nearby sales in CF15 7SZ
5 Clos Heulwen, Taffs Well, Cardiff, CF15 7SZ
Sold Dec 2022
£205,0004 Clos Heulwen, Taffs Well, Cardiff, CF15 7SZ
Sold Oct 2012
£123,5003 Clos Heulwen, Taffs Well, Cardiff, CF15 7SZ
Sold Oct 2011
£122,0002 Clos Heulwen, Taffs Well, Cardiff, CF15 7SZ
Sold Feb 2006
£118,0006 Clos Heulwen, Taffs Well, Cardiff, CF15 7SZ
Sold May 2002
£67,950
Versus other Clos Heulwen homes
7 Clos Heulwen is notably below the street on co₂ emissions.
Price per m²
£1,391
Street avg £2,193
Floor Area
115 m²
Street avg 78 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
3.4 t/year
Street avg 2.5 t/year
Similar properties nearby
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1 Bute Street, Tongwynlais
CF15 7LJ
1 Cwm Gwynlais, Tongwynlais
CF15 7HU
1 Brynau Road, Taffs Well
CF15 7SA
1 Church Lane, Nantgarw
CF15 7TQ
1 Forest Cottage, Castle Road, Tongwynlais
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.6 km
Glan-y-llyn Square — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







