12 Clos Cas Bach, St Mellons, Cardiff, CF3 0AU
About 12 Clos Cas Bach
12 Clos Cas Bach is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0AU). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1991-1995 and council tax band B. The latest certificate (May 2024) returns a B (score 83), comfortably above the UK average. The rating has held steady at B across 2 certificates since July 2012. Between certificates, window efficiency went from Average to Good; while roof efficiency dropped from Good to Average and lighting dropped from Very Good to Good.
Energy performance
12 Clos Cas Bach's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Low energy lighting percentage decreased
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £495 · Includes VAT
Planning history
12 Clos Cas Bach 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
12 Clos Cas Bach has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£180,000
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 Cas Bach homes
On habitable rooms, 12 Clos Cas Bach runs well behind the street norm.
EPC Rating
83 (B)
Street avg 81 (B)
Floor Area
71 m²
Street avg 69 m²
CO₂ Emissions
1.3 t/year
Street avg 1.4 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Similar properties nearby
1 Caerleon Close, St Mellons
CF3 0HH
1 Aspen Close, St Mellons
CF3 0BT
1 Caraway Close, St Mellons
CF3 0NF
1 Blaina Close, St Mellons
CF3 0EB
1 Caspian Close, St Mellons
CF3 0BQ
1 Bulrush Close, St Mellons
CF3 0AZ
1 Cathcob Close, St Mellons
CF3 0AH
1 Broadwell Close, St Mellons
CF3 0HU
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.







