35, Duffryn Avenue, Cardiff occupies a 353 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 12th largest.

35, Duffryn Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Jun 2014.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

35, Duffryn Avenue, Cardiff last changed hands on 4th November 2014, 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 30.5% since November 2014.

• Sold Nov 2014£320,000

Land Registry records and our Estate Agent network show 75 sales of comparable properties within 640 metres of 35, Duffryn Avenue, Cardiff since 2010.

Most recently, 57, Celyn Avenue, Cardiff, CF23 6EJ, a freehold house, sold at £490,000 on the 28th October 2025.

Read more about house prices in CF23.

• Sold Oct 2025£490,000 | 4 Bed House57, Celyn Avenue, Cardiff, CF23 6EJ57, Celyn Avenue, Cardiff, CF23 6EJ
• Sold Jul 2024£445,000 | 4 Bed House3, Llyn Close, Cardiff, CF23 6LG3, Llyn Close, Cardiff, CF23 6LG
• Sold May 2024£430,000 | 4 Bed House145, Woolaston Avenue, Cardiff, CF23 6EY145, Woolaston Avenue, Cardiff, CF23 6EY
• 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 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 Jun 2021£432,500 | 4 Bed House11, Nantfawr Close, Cardiff, CF23 6JP11, Nantfawr Close, Cardiff, CF23 6JP
• Sold Jun 2021£410,000 | 4 Bed House50, Woolaston Avenue, Cardiff, CF23 6HA50, Woolaston Avenue, Cardiff, CF23 6HA
• Sold Mar 2021£415,000 | 4 Bed House23, Celyn Avenue, Cardiff, CF23 6EH23, Celyn Avenue, Cardiff, CF23 6EH
• Sold Oct 2020£420,000 | 4 Bed House30, Heol Esgyn, Cardiff, CF23 6JT30, Heol Esgyn, Cardiff, CF23 6JT
• Sold Aug 2019£377,500 | 4 Bed House49, Ogwen Drive, Cardiff, CF23 6LJ49, Ogwen Drive, Cardiff, CF23 6LJ
• Sold Nov 2017£350,000 | 4 Bed House37, Celyn Avenue, Cardiff, CF23 6EH37, Celyn Avenue, Cardiff, CF23 6EH
• Sold May 2017£320,000 | 4 Bed House17, Duffryn Avenue, Cardiff, CF23 6LE17, Duffryn Avenue, Cardiff, CF23 6LE
• Sold Dec 2016£350,000 | 3 Bed House31, Duffryn Avenue, Cardiff, CF23 6LE31, Duffryn Avenue, Cardiff, CF23 6LE
• Sold Apr 2016£230,000 | 4 Bed House51, Gwynant Crescent, Cardiff, CF23 6LT51, Gwynant Crescent, Cardiff, CF23 6LT
• 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 35, Duffryn Avenue, Cardiff as the 29th largest and the 39th most expensive of the 52 addresses on Duffryn Avenue, Cardiff, CF23.

Against the CF23 postcode district average, it is £83k 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.