CF3 0JS

CF3 0JSHouse Prices / Wales, Cardiff, Clos Yr Onnen

Last updated Jun 2026

Key Postcode Insights

CF3 0JS is a residential postcode situated on Clos Yr Onnen, St. Mellons, Cardiff, CF3 with 23 addresses.

It ranks as the 491st largest and 509th most expensive of the 889 postcodes in the CF3 area. The dominant property type is a modern house built after 1980.

The postcode contains a total of 23 properties: 19 houses and 4 flats.

23
Properties
  • Houses
  • Flats

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House Pricesin CF3 0JS

Sale prices range from £110,998 for 2 bedroom Leasehold flats (538 ft2) to £462,714 for 5 bedroom freehold houses with a garden (2,378 ft2) .

Monthly rental prices range from £757 pcm for 2 bed flats to £2,210 pcm for 5 bed houses.

The gross rental yield is between 5.7% and 8.2%.

The average value per square foot is £341.

Average Sale Value
£240,407
Average Rental Value
£1,302 pcm
Average Rental Yield
6.5% /year
Average Value Per Sqft
£341 /ft2
Prices last updated 1st June 2026
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Nearby Postcodesto CF3 0JS

CF3 0JS is the 491st largest and the 509th most expensive postcode out of the 889 postcodes in the CF3 area.

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Property Typesin CF3 0JS

  • 13 modern houses built after 1980
  • 3 modern flats built after 1980
  • 1 mid-century flat built between 1936 and 1979
  • 6 other addresses of unknown type
  • modern house (13)
  • modern flat (3)
  • mid-century flat (1)
  • Unknown (6)
Energy Efficiency

Energy Efficiencyof properties in CF3 0JS

  • Energy Performance Certificate (EPC) surveys conducted for 17 properties.
  • The dominant rating is C.
  • A (0)
  • E (0)
  • B (0)
  • F (0)
  • C (15)
  • G (0)
  • D (2)
  • No EPC (6)
Schools Nearby

Schools Nearby

      More reading links
      Source: Ofsted 2026
      Public Transport Nearby

      Public Transport Nearby

      The closest station to CF3 0JS is Heath High Level station, which is 6.0 kilometres away.

      • 6.0
        km
        Heath High Level
      • 6.0
        km
        Heath Low Level
      • 6.1
        km
        Llanishen
      • 6.8
        km
        Lisvane & Thornhill
      Source: National Rail
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