6 Blaenavon Close, St Mellons, Cardiff, CF3 0HQ
About 6 Blaenavon Close
6 Blaenavon Close is an end-of-terrace house in St. Mellons, Cardiff, Cardiff (CF3 0HQ). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (March 2020) shows a C (score 76), near the top of the C band. The recommended improvements would push it to B (score 88).
Energy performance
EPC Rating
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Planning history
6 Blaenavon 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 Blaenavon Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£247,000
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 3 sales in CF3 0HQ: £145,000 (2022–2000).
Versus other Blaenavon Close homes
6 Blaenavon Close outperforms the street on epc rating by a wide margin.
EPC Rating
76 (C)
Street avg 70 (C)
Floor Area
97 m²
Street avg 87 m²
CO₂ Emissions
2.4 t/year
Street avg 2.9 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
Similar properties nearby
1 Bassaleg Close, St Mellons
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1 Brython Drive, St Mellons
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1 Aster Close, St Mellons
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1 Bodnant Close, St Mellons
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1 Brynmawr Close, St Mellons
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1 Chartley Close, St Mellons
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1 Chervil Close, St Mellons
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1 Aston Place, 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
Meddygfa Willowbrook Surgery — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







