According to data from HM Land Registry, 5, Celyn Avenue, Cardiff sits on a plot of 288 m².

We have plot size data on 17 out of 18 other houses in the postcode and 5, Celyn Avenue, Cardiff sits on the 9th largest plot.

5, Celyn Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Jul 2016.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 5, Celyn Avenue, Cardiff was last sold on 28th July 2017 for £370,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since July 2017, the market for similar properties has risen by 3.5%.

• Sold Jul 2017£370,000

According to the Land Registry and our network of Estate Agents, there have been 163 sales of properties similar to 5, Celyn Avenue, Cardiff within a radius of 630 metres since 2017.

The most recent example is 10, Padarn Close, Cardiff, CF23 6ER, a freehold house which sold for £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 Aug 2025£400,100 | 3 Bed House59, Mountbatten Close, Cardiff, CF23 5QG59, Mountbatten Close, Cardiff, CF23 5QG
• Sold Jul 2025£399,950 | 3 Bed House61, Ogwen Drive, Cardiff, CF23 6LJ61, Ogwen Drive, Cardiff, CF23 6LJ
• Sold Jul 2025£400,000 | 3 Bed House32, Crystal Avenue, Cardiff, CF23 5QL32, Crystal Avenue, Cardiff, CF23 5QL
• Sold May 2025£400,000 | 3 Bed House88, Heath Park Avenue, Cardiff, CF14 3RJ88, Heath Park Avenue, Cardiff, CF14 3RJ
• Sold Mar 2025£425,000 | 3 Bed House19, Carnegie Drive, Cardiff, CF23 6DH19, Carnegie Drive, Cardiff, CF23 6DH
• Sold Dec 2024£380,000 | 3 Bed House16, Carnegie Drive, Cardiff, CF23 6DH16, Carnegie Drive, Cardiff, CF23 6DH
• Sold Oct 2024£392,700 | 3 Bed House14, Crystal Avenue, Cardiff, CF23 5QJ14, Crystal Avenue, Cardiff, CF23 5QJ
• Sold Sep 2024£395,000 | 3 Bed House101, Ogwen Drive, Cardiff, CF23 6LJ101, Ogwen Drive, Cardiff, CF23 6LJ
• Sold Jun 2024£456,500 | 4 Bed House35, Mountbatten Close, Cardiff, CF23 5QG35, Mountbatten Close, Cardiff, CF23 5QG
• Sold May 2024£460,000 | 3 Bed House40, Mountbatten Close, Cardiff, CF23 5QH40, Mountbatten Close, Cardiff, CF23 5QH
• Sold Apr 2023£390,000 | 3 Bed House55, Celyn Avenue, Cardiff, CF23 6EJ55, Celyn Avenue, Cardiff, CF23 6EJ
• Sold Nov 2022£390,000 | 3 Bed House27, Mountbatten Close, Cardiff, CF23 5QG27, Mountbatten Close, Cardiff, CF23 5QG
• Sold Jul 2022£345,000 | 4 Bed House21, Mountbatten Close, Cardiff, CF23 5QG21, Mountbatten Close, Cardiff, CF23 5QG
• Sold Mar 2021£415,000 | 4 Bed House23, Celyn Avenue, Cardiff, CF23 6EH23, Celyn Avenue, Cardiff, CF23 6EH
• Sold Jan 2021£378,000 | 3 Bed House15, Celyn Avenue, Cardiff, CF23 6EH15, Celyn Avenue, Cardiff, CF23 6EH
• Sold Jan 2019£385,000 | 3 Bed House12, Padarn Close, Cardiff, CF23 6ER12, Padarn Close, Cardiff, CF23 6ER
• Sold Aug 2017£525,000 | 3 Bed House5, Padarn Close, Cardiff, CF23 6ER5, Padarn Close, Cardiff, CF23 6ER

Celyn Avenue, Cardiff, CF23 has a total of 148 addresses. According to our analysis of all the public data, 5, Celyn Avenue, Cardiff is the 47th largest and the 38th most expensive property on the street.

When compared to the postcode district it is £72k more expensive than the average property in CF23.

• Heath High Level

  |

  500 m away
• Heath Low Level

  |

  600 m away
• Ty Glas

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  1.7 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.