21 Broadwell Close, St Mellons, Cardiff, CF3 0HU
About 21 Broadwell Close
21 Broadwell Close is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0HU). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1991-1995 and council tax band A. At 49 m² this is the 4th smallest of 22 units on EPC record in the building, where floor areas span 42–79 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (February 2022) shows a C (score 78), near the top of the C band.
At 49 m² it's 23% smaller than the typical home in the postcode (64 m² median across 21 EPCs).
Energy performance
21 Broadwell Close's carbon output is low for the local stock.
EPC Rating
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Planning history
21 Broadwell 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
21 Broadwell Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£121,000
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 Broadwell Close homes
EPC Rating for 21 Broadwell Close runs comfortably ahead of the street norm.
EPC Rating
78 (C)
Street avg 75 (C)
Floor Area
49 m²
Street avg 48 m²
CO₂ Emissions
1.3 t/year
Street avg 1.4 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
1 Broadlands Court, St Mellons
CF3 0BZ
1 Brookfield Drive, St Mellons
CF3 0BA
1 Caspian Close, St Mellons
CF3 0BQ
1 Aspen Close, St Mellons
CF3 0BT
1 Caerleon Close, St Mellons
CF3 0HH
1 Caraway Close, St Mellons
CF3 0NF
1 Blaina Close, St Mellons
CF3 0EB
1 Bulrush Close, St Mellons
CF3 0AZ
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
Coleford Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







