7 Clos Dyfnaint, St Mellons, Cardiff, CF3 0DY
About 7 Clos Dyfnaint
7 Clos Dyfnaint is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0DY). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1996-2002 and council tax band B. The latest certificate (March 2023) shows a C (score 74). The rating has held steady at C across 2 certificates since March 2009. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 86).
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Window efficiency improved
Floor insulation added or improved
More low energy lighting installed
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Planning history
7 Clos Dyfnaint 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 Dyfnaint has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£193,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Versus other Clos Dyfnaint homes
On co₂ emissions, 7 Clos Dyfnaint runs well behind the street norm.
EPC Rating
74 (C)
Street avg 79 (C)
Floor Area
78 m²
Street avg 72 m²
CO₂ Emissions
2.2 t/year
Street avg 1.7 t/year
Habitable Rooms
5 rooms
Street avg 4 rooms
Similar properties nearby
1 Caraway Close, St Mellons
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1 Blaina Close, St Mellons
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1 Caerleon Close, St Mellons
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1 Bulrush Close, St Mellons
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1 Cathcob Close, St Mellons
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1 Broadwell Close, St Mellons
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1 Abernethy Close, St Mellons
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1 Ashfield Court, St Mellons
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Clos Gwlad-Yr-Haf — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







