CF23 6JJ

Llandennis Avenue - CF23 6JJ

Last updated Jul 2026

Key Postcode Insights

CF23 6JJ is a residential postcode situated on Llandennis Avenue, Cardiff, CF23 with 14 addresses.

It ranks as the 261st largest and 599th most expensive of the 821 postcodes in the CF23 area. The most common property type is a early-century house built between 1912 and 1935.

The postcode contains a total of 14 properties: 14 houses.

Ave. Sale Price
£478,740
10 Year change
up 37.5%
Ave. Rental Price
£1,697pcm
10 Year change
up 64.4%
Ave. £ per ft²
£411/ft²
Ave. Gross Yield
4.3%/year/yr
All figures are subject to T&Cs
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Sales History

The last sale was on 16th October 2019 for £415,000 and since then the market in the area has increased by 26.9%. The postcode has had a total of 15 sales since 1995.

CF23 6JJ has seen no sales in the last three years and no sales in the last twelve months.

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Nearby Postcodes

CF23 6JJ is the 261st largest and the 599th most expensive postcode out of the 821 postcodes in the CF23 area.

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Property Types

  • 2 houses of an unknown age
  • 3 early-century houses built between 1912 and 1935
  • 9 other addresses of unknown type
  • house (2)
  • early-century house (3)
  • Unknown (9)
Energy Efficiency

Energy Efficiency

  • Energy Performance Certificate (EPC) surveys conducted for 3 properties.
  • The most common rating is D.
  • A (0)
  • E (0)
  • B (0)
  • F (0)
  • C (1)
  • G (0)
  • D (2)
  • No EPC (11)
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Schools Nearby

Schools Nearby

      More reading links
      Source: Ofsted 2026
      Public Transport Nearby

      Public Transport Nearby

      The closest station to CF23 6JJ is Heath High Level station, which is 800 metres away.

      • Heath High Level
        |
        800 m away
      • Heath Low Level
        |
        800 m away
      • Llanishen
        |
        1.6 km away
      • Ty Glas
        |
        1.7 km away
      Source: National Rail
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