17, Duffryn Avenue, Cardiff occupies a 405 m² plot as recorded by HM Land Registry.

All 21 other houses in this postcode have recorded plot sizes, and this one ranks as the 7th largest.

17, Duffryn Avenue, Cardiff last changed hands on 26th May 2017, selling for £320,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 16.0% since May 2017.

• Sold May 2017£320,000

Land Registry records and our Estate Agent network show 92 sales of comparable properties within 640 metres of 17, Duffryn Avenue, Cardiff since 2010.

Most recently, 10, Padarn Close, Cardiff, CF23 6ER, a freehold house, sold at £480,000 on the 12th December 2025.

Read more about house prices in CF23.

• Sold Dec 2025£480,000 | 3 Bed House10, Padarn Close, Cardiff, CF23 6ER10, Padarn Close, Cardiff, CF23 6ER
• Sold Nov 2025£360,000 | 3 Bed House41, Torrens Drive, Cardiff, CF23 6DR41, Torrens Drive, Cardiff, CF23 6DR
• Sold Oct 2025£490,000 | 4 Bed House57, Celyn Avenue, Cardiff, CF23 6EJ57, Celyn Avenue, Cardiff, CF23 6EJ
• Sold Sep 2024£410,000 | 4 Bed House88, Woolaston Avenue, Cardiff, CF23 6HA88, Woolaston Avenue, Cardiff, CF23 6HA
• Sold Jul 2024£445,000 | 4 Bed House3, Llyn Close, Cardiff, CF23 6LG3, Llyn Close, Cardiff, CF23 6LG
• Sold Feb 2024£375,000 | 4 Bed House30, Celyn Avenue, Cardiff, CF23 6EN30, Celyn Avenue, Cardiff, CF23 6EN
• Sold Jul 2023£440,000 | 4 Bed House15, Duffryn Avenue, Cardiff, CF23 6LE15, Duffryn Avenue, Cardiff, CF23 6LE
• Sold Apr 2023£390,000 | 3 Bed House55, Celyn Avenue, Cardiff, CF23 6EJ55, Celyn Avenue, Cardiff, CF23 6EJ
• Sold Mar 2023£382,500 | 3 Bed House18, Leven Close, Cardiff, CF23 6DN18, Leven Close, Cardiff, CF23 6DN
• Sold Dec 2022£475,000 | 4 Bed House52, Celyn Avenue, Cardiff, CF23 6EP52, Celyn Avenue, Cardiff, CF23 6EP
• Sold Dec 2022£475,000 | 4 Bed House9, Carnegie Drive, Cardiff, CF23 6DH9, Carnegie Drive, Cardiff, CF23 6DH
• Sold Aug 2021£385,000 | 3 Bed House20, Duffryn Avenue, Cardiff, CF23 6LF20, Duffryn Avenue, Cardiff, CF23 6LF
• Sold Aug 2021£330,500 | 4 Bed House24, Carnegie Drive, Cardiff, CF23 6DH24, Carnegie Drive, Cardiff, CF23 6DH
• Sold Mar 2021£415,000 | 4 Bed House23, Celyn Avenue, Cardiff, CF23 6EH23, Celyn Avenue, Cardiff, CF23 6EH
• Sold Oct 2020£349,950 | 3 Bed House24, Duffryn Avenue, Cardiff, CF23 6LF24, Duffryn Avenue, Cardiff, CF23 6LF
• Sold Aug 2019£377,500 | 4 Bed House49, Ogwen Drive, Cardiff, CF23 6LJ49, Ogwen Drive, Cardiff, CF23 6LJ
• Sold Jan 2019£385,000 | 3 Bed House12, Padarn Close, Cardiff, CF23 6ER12, Padarn Close, Cardiff, CF23 6ER
• Sold Apr 2016£320,000 | 3 Bed House26, Padarn Close, Cardiff, CF23 6ER26, Padarn Close, Cardiff, CF23 6ER
• Sold Aug 2014£226,000 | 3 Bed House6, Llyn Close, Cardiff, CF23 6LG6, Llyn Close, Cardiff, CF23 6LG
• Sold Sep 2010£228,250 | 4 Bed House13, Gwynant Crescent, Cardiff, CF23 6LT13, Gwynant Crescent, Cardiff, CF23 6LT

Our analysis of the public data ranks 17, Duffryn Avenue, Cardiff as the 38th largest and the 44th most expensive of the 52 addresses on Duffryn Avenue, Cardiff, CF23.

Against the CF23 postcode district average, it is £76k more expensive than the typical property.

• Heath High Level

  |

  700 m away
• Heath Low Level

  |

  800 m away
• Ty Glas

  |

  1.8 km away

Environment Agency data suggests this area has a Very Low risk of flooding.