20 Caerleon Close, St Mellons, Cardiff, CF3 0HH
About 20 Caerleon Close
20 Caerleon Close is an end-of-terrace house in St. Mellons, Cardiff, Cardiff (CF3 0HH). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (March 2025) shows a C (score 74). The rating has held steady at C across 3 certificates since October 2010. Between certificates, window efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 89).
At 68 m² it's 18.1% smaller than the typical home in the postcode (83 m² median across 39 EPCs).
Energy performance
EPC Rating
Certificate validity
Valid until 28 March 2035
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
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Planning history
20 Caerleon 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
20 Caerleon Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£181,000
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 5 sales in CF3 0HH: £130,000 (2025–2015).
Nearby sales in CF3 0HH
24 Caerleon Close, St Mellons, Cardiff, CF3 0HH
Sold Aug 2025
£178,00039 Caerleon Close, St Mellons, Cardiff, CF3 0HH
Sold Dec 2021
£211,00035 Caerleon Close, St Mellons, Cardiff, CF3 0HH
Sold May 2016
£130,0002 Caerleon Close, St Mellons, Cardiff, CF3 0HH
Sold Oct 2015
£128,00015 Caerleon Close, St Mellons, Cardiff, CF3 0HH
Sold Sept 2015
£109,000
Versus other Caerleon Close homes
On floor area, 20 Caerleon Close runs well behind the street norm.
EPC Rating
74 (C)
Street avg 72 (C)
Floor Area
68 m²
Street avg 82 m²
CO₂ Emissions
2.0 t/year
Street avg 2.4 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
1 Caerleon Close, St Mellons
CF3 0HH
1 Ashfield Court, St Mellons
CF3 0AE
1 Aspen Close, St Mellons
CF3 0BT
1 Bulrush Close, St Mellons
CF3 0AZ
1 Caraway Close, St Mellons
CF3 0NF
1 Blaina Close, St Mellons
CF3 0EB
1 Caspian Close, St Mellons
CF3 0BQ
1 Broadwell Close, St Mellons
CF3 0HU
The neighbourhood at a glance
Crime
242/mo
Falling 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.







