21 Ffordd Williamson, Old St Mellons, Cardiff, CF3 6AE
About 21 Ffordd Williamson
21 Ffordd Williamson is an end-of-terrace house in Old St. Mellons, Cardiff, Cardiff (CF3 6AE). It has a recorded floor area of 78 m² (around 840 sq ft). The latest certificate (December 2017) returns a B (score 82), comfortably above the UK average. The recommended improvements would push it to A (score 95).
At 78 m² the property is well over the postcode median (58 m² across 43 EPCs), placing it in the larger end of the local stock.
Energy performance
21 Ffordd Williamson's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 11 December 2027
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Planning history
21 Ffordd Williamson 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 Ffordd Williamson has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£234,000
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 Ffordd Williamson homes
On co₂ emissions, 21 Ffordd Williamson runs well behind the street norm.
EPC Rating
82 (B)
Street avg 82 (B)
Floor Area
78 m²
Street avg 60 m²
CO₂ Emissions
1.3 t/year
Street avg 1.0 t/year
Similar properties nearby
1 Boyce Way, Old St Mellons
CF3 6AB
1 Clos Grehan, Old St Mellons
CF3 6BF
1 Rhodfa Price, Old St Mellons
CF3 6BD
1 Ffordd Williamson, Old St Mellons
CF3 6AE
1 Ffordd Crabtree, Old St Mellons
CF3 6AN
1 Lewis Crescent, Old St Mellons
CF3 6YQ
1 Druidstone House, Druidstone Road, Old St Mellons
CF3 6XF
1 Bridge Terrace, Michaelston Y Fedw
CF3 6YZ
The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
St Ederyns — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







