3a, Blaina Close, St Mellons, Cardiff, CF3 0EB
About 3a
3a is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0EB). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 2007 onwards and council tax band C. The latest certificate (November 2012) shows a C (score 77), near the top of the C band. The recommended improvements would lift it to A (score 92), a 2-band jump. The latest certificate is from November 2012, so improvements made since then won't be reflected.
At 59 m² it sits well below the postcode median (85 m² across 10 EPCs), making it one of the more compact homes locally.
Energy performance
3a's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 Nov 2022
EPC Rating
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Planning history
3a 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
3a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£222,000
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 0EB: £118,000 (2017–2000).
Versus other Blaina Close homes
3a outperforms the street on epc rating by a wide margin.
EPC Rating
77 (C)
Street avg 71 (C)
Floor Area
59 m²
Street avg 77 m²
CO₂ Emissions
1.5 t/year
Street avg 2.4 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Similar properties nearby
1 Ashfield Court, St Mellons
CF3 0AE
1 Caradoc Close, St Mellons
CF3 0LQ
1 Ashdown Close, St Mellons
CF3 0ER
1 Abernethy Close, St Mellons
CF3 0SB
1 Broadwell Close, St Mellons
CF3 0HU
1 Cathcob Close, St Mellons
CF3 0AH
1 Birkdale Close, St Mellons
CF3 0LF
1 Blaenavon Close, St Mellons
CF3 0HQ
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
St Mellons Police Station — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







