CF23 9AY

Colchester Avenue - CF23 9AY

Last updated Jul 2026

Key Postcode Insights

CF23 9AY is a residential postcode situated on Colchester Avenue, Penylan, Cardiff, CF23 with 19 addresses.

It ranks as the 368th largest and 437th most expensive of the 821 postcodes in the CF23 area. The most common property type is a modern house built after 1980.

The postcode contains a total of 19 properties: 19 houses.

Ave. Sale Price
£394,985
10 Year change
up 40.9%
Ave. Rental Price
£1,573pcm
10 Year change
up 71.8%
Ave. £ per ft²
£376/ft²
Ave. Gross Yield
4.8%/year/yr
All figures are subject to T&Cs
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Explore Propertiesin CF23 9AY

House
18 houses
Group
0 flats

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Sales History

The last sale was on 24th April 2026 for £250,000 and since then the market in the area has increased by 0.2%. The postcode has had a total of 27 sales since 1995.

CF23 9AY has seen 2 sales in the last three years and 1 sale in the last twelve months.

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Nearby Postcodes

CF23 9AY is the 368th largest and the 437th most expensive postcode out of the 821 postcodes in the CF23 area.

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Property Types

  • 18 modern houses built after 1980
  • 1 other address of unknown type
  • modern house (18)
  • Unknown (1)
Energy Efficiency

Energy Efficiency

  • Energy Performance Certificate (EPC) surveys conducted for 18 properties.
  • The most common rating is B.
  • A (0)
  • E (0)
  • B (8)
  • F (0)
  • C (7)
  • G (0)
  • D (3)
  • No EPC (1)
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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 9AY is Cathays station, which is 2.1 kilometres away.

      • Cathays
        |
        2.1 km away
      • Cardiff Queen Street
        |
        2.2 km away
      • Heath Low Level
        |
        2.9 km away
      • Heath High Level
        |
        3.0 km away
      Source: National Rail
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