Over the past 23 years, there have been 17 property sales recorded in the CF23 9BS postcode area. The highest sale price reached £513,000, while the most recent sale was for a semi-detached house sold in August 2025 for £505,000.

The estimated average property value in CF23 9BS currently stands at £532,877, which is approximately 57.7% higher than the city average, indicating a potentially more desirable or in-demand location.

In terms of size, the average price per square metre is approximately £3,736.

Property prices in CF23 9BS have risen by 3.8% over the past year , with a total increase of 28.2% over the past five years , and a long-term rise of 63.5% over the past decade .

The most common type of property sold in the area is semi-detached, making up around 88% of transactions , followed by terraced.

Housing in CF23 9BS is predominantly owner-occupied, with an estimated 87% of homes being lived in by the owners.

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Property Sales

15 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

🏠 Semi-detached
🛏️ 8bed
📐 2250 sq ft
Today
£729,631
streetscan.co.uk estimate
25 Oct 2017
£513,000
23 Oct 2006
£365,000
More details

17 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

Today
£616,164
streetscan.co.uk estimate
17 Mar 2006
£320,000

19 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

Today
£809,575
streetscan.co.uk estimate
23 Jan 2004
£344,500

21 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

🏠 Semi-detached
🛏️ 6bed
📐 1206 sq ft
Today
£489,859
streetscan.co.uk estimate
5 Aug 2019
£370,000
More details

23 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

Today
£490,566
streetscan.co.uk estimate
18 Dec 2003
£200,000

25 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

🏠 Terraced
🛏️ 6bed
📐 1292 sq ft
Today
£466,463
streetscan.co.uk estimate
2 Feb 2024
£440,000
More details

29 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

🏠 Semi-detached
🛏️ 5bed
📐 1206 sq ft
Today
£450,718
streetscan.co.uk estimate
1 May 2024
£425,000
More details

35 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

Today
£489,054
streetscan.co.uk estimate
12 Jul 2007
£280,000

37 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

🏠 Semi-detached
🛏️ 5bed
📐 1270 sq ft
Today
£383,157
streetscan.co.uk estimate
9 Nov 2023
£365,000
More details

43 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

🏠 Semi-detached
🛏️ 6bed
📐 1206 sq ft
Today
£514,961
streetscan.co.uk estimate
15 Aug 2025
£505,000
15 Dec 2020
£385,000
More details

45 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

Today
£560,296
streetscan.co.uk estimate
2 Jun 2003
£220,000

49 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

🏠 Semi-detached
🛏️ 6bed
📐 1518 sq ft
Today
£585,118
streetscan.co.uk estimate
26 Feb 2014
£335,000
More details

51 Dorchester Avenue, Penylan, Cardiff, CF23 9BS

🏠 Semi-detached
🛏️ 7bed
📐 1851 sq ft
Today
£511,804
streetscan.co.uk estimate
27 Feb 2023
£492,500
16 Nov 2009
£150,000
View +1 more
More details

Area Insights

Data Sources

Properties at CF23 9BS appear seventeen times in the Land Registry records, with the latest transaction recorded on 15 Aug 2025. It also has eight Energy Performance Certificates (EPC) entries, the earliest dating back to 21 Mar 2014. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.