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This certificate is over 10 years old and is no longer valid.Expired 23 Jun 2020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
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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.
£195,000
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
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
0.1 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.







