6 Mallard Close, St Mellons, Cardiff, CF3 0AJ
About 6 Mallard Close
6 Mallard Close is a mid-terrace house in St. Mellons, Cardiff, Cardiff (CF3 0AJ). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (February 2015) returns a B (score 81), comfortably above the UK average. When first surveyed in August 2014 the rating was D, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good. The latest certificate is from February 2015, so improvements made since then won't be reflected.
Its energy rating outperforms most of the postcode (better than 83% of similar EPCs).
Energy performance
6 Mallard Close's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 16 Feb 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Roof insulation improved
More low energy lighting installed
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Planning history
6 Mallard Close 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
6 Mallard Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£167,000
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.
Median price across the last 4 sales in CF3 0AJ: £70,975 (2005–1996).
Versus other Mallard Close homes
6 Mallard Close is notably below the street on floor area.
EPC Rating
81 (B)
Street avg 78 (C)
Floor Area
57 m²
Street avg 83 m²
CO₂ Emissions
1.2 t/year
Street avg 1.9 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
Similar properties nearby
1 Aspen Close, St Mellons
CF3 0BT
1 Caspian Close, St Mellons
CF3 0BQ
1 Caerleon Close, St Mellons
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1 Brookfield Drive, St Mellons
CF3 0BA
1 Caraway Close, St Mellons
CF3 0NF
1 Blaina Close, St Mellons
CF3 0EB
1 Bulrush Close, St Mellons
CF3 0AZ
1 Cathcob Close, 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
0.1 km
Tarwick Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







