4 Clos Hafren, St Mellons, Cardiff, CF3 0AW
About 4 Clos Hafren
4 Clos Hafren is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0AW). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (October 2015) returns a B (score 84), comfortably above the UK average. When first surveyed in September 2011 the rating was C, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good; while lighting dropped from Very Good to Good. The latest certificate is from October 2015, so improvements made since then won't be reflected.
Energy performance
4 Clos Hafren's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 30 Oct 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
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Planning history
4 Clos Hafren 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
4 Clos Hafren has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£198,000
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 Hafren homes
On epc rating, 4 Clos Hafren stands well clear of the street.
EPC Rating
84 (B)
Street avg 78 (C)
Floor Area
71 m²
Street avg 72 m²
CO₂ Emissions
1.2 t/year
Street avg 1.7 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
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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
0.3 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.







