22 Duncan Close, St Mellons, Cardiff, CF3 1NP
About 22 Duncan Close
22 Duncan Close is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 1NP). It has a recorded floor area of 56 m² (around 607 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (June 2010) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). The latest certificate is from June 2010, so improvements made since then won't be reflected.
At 56 m² it's 17.1% smaller than the typical home in the postcode (68 m² median across 17 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs).
Energy performance
22 Duncan Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 23 Jun 2020
EPC Rating
Certificate validity
Expired on 23 June 2020
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Planning history
22 Duncan Close has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
22 Duncan Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£191,000
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 1NP: £245,000 (2025–2024).
Nearby sales in CF3 1NP
1 Duncan Close, St Mellons, Cardiff, CF3 1NP
Sold Oct 2025
£240,0002 Duncan Close, St Mellons, Cardiff, CF3 1NP
Sold Aug 2025
£250,00023 Duncan Close, St Mellons, Cardiff, CF3 1NP
Sold Aug 2025
£245,00010 Duncan Close, St Mellons, Cardiff, CF3 1NP
Sold Jul 2025
£265,00019 Duncan Close, St Mellons, Cardiff, CF3 1NP
Sold Sept 2024
£212,500
Versus other Duncan Close homes
22 Duncan Close is notably below the street on co₂ emissions.
EPC Rating
63 (D)
Street avg 71 (C)
Floor Area
56 m²
Street avg 66 m²
CO₂ Emissions
3.2 t/year
Street avg 2.2 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Ty Coch Court — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







