Over the past 7 years, there have been 78 property sales recorded in the CF3 6AQ postcode area. The highest sale price reached £379,950, while the most recent sale was for a terraced house sold in June 2025 for £217,000.

The estimated average property value in CF3 6AQ currently stands at £292,361, which is approximately 13.3% lower than the city average - making it a relatively affordable option for buyers.

In terms of size, the average price per square metre is approximately £3,720.

Property prices in CF3 6AQ have risen by 3.8% over the past year , with a total increase of 26.9% over the past five years, and a long-term rise of 56.2% over the past decade.

The most common type of property sold in the area is semi-detached, making up around 51% of transactions , followed by terraced and detached.

Housing in CF3 6AQ is mixed, with 100% of homes being , indicating a diverse residential makeup.

Click on the map to change the analyzed area

Property Sales

1 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 1216 sq ft
Today
£393,342
streetscan.co.uk estimate
26 Jul 2019
£300,000
More details

10 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£288,095
streetscan.co.uk estimate
18 Oct 2019
£219,995
More details

11 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 549 sq ft
Today
£229,885
streetscan.co.uk estimate
25 Jun 2021
£195,000
30 Nov 2018
£160,000
More details

12 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£285,476
streetscan.co.uk estimate
29 Nov 2019
£217,995
More details

13 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 549 sq ft
Today
£217,848
streetscan.co.uk estimate
9 Jun 2025
£217,000
30 Nov 2018
£164,995
More details

14 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 1066 sq ft
Today
£289,059
streetscan.co.uk estimate
1 Jun 2023
£275,000
7 Aug 2020
£245,000
More details

15 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 549 sq ft
Today
£211,555
streetscan.co.uk estimate
28 Jul 2023
£202,500
19 May 2023
£205,000
View +1 more
More details

16 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 1066 sq ft
Today
£332,123
streetscan.co.uk estimate
28 Mar 2024
£315,000
31 Jan 2020
£254,995
More details

17 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 549 sq ft
Today
£222,578
streetscan.co.uk estimate
1 Sep 2023
£215,000
30 Nov 2018
£169,995
More details

18 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 1066 sq ft
Today
£327,389
streetscan.co.uk estimate
22 Nov 2019
£250,000
More details

19 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£285,257
streetscan.co.uk estimate
17 Dec 2018
£212,000
More details

2 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 1066 sq ft
Today
£319,507
streetscan.co.uk estimate
24 Nov 2020
£252,995
More details

20 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 1066 sq ft
Today
£315,725
streetscan.co.uk estimate
30 Nov 2020
£250,000
More details

21 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£296,014
streetscan.co.uk estimate
21 Dec 2018
£219,995
More details

22 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£275,156
streetscan.co.uk estimate
3 Sep 2024
£269,000
17 Jun 2019
£224,995
More details

23 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 1012 sq ft
Today
£297,572
streetscan.co.uk estimate
29 Oct 2018
£219,995
More details

24 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£302,346
streetscan.co.uk estimate
17 Jun 2019
£224,995
More details

25 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 1012 sq ft
Today
£268,862
streetscan.co.uk estimate
20 Dec 2019
£204,000
More details

26 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£289,477
streetscan.co.uk estimate
30 Sep 2024
£283,000
21 Jun 2019
£215,000
More details

27 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 1012 sq ft
Today
£272,815
streetscan.co.uk estimate
31 Jan 2020
£207,000
More details

28 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£285,476
streetscan.co.uk estimate
29 Nov 2019
£217,995
More details

29 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 549 sq ft
Today
£240,041
streetscan.co.uk estimate
21 Jul 2023
£230,000
29 Oct 2018
£169,995
More details

3 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 969 sq ft
Today
£380,711
streetscan.co.uk estimate
31 May 2019
£289,995
More details

30 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 1066 sq ft
Today
£325,900
streetscan.co.uk estimate
8 Apr 2024
£311,000
20 Jun 2019
£254,995
More details

31 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 549 sq ft
Today
£238,661
streetscan.co.uk estimate
21 Mar 2025
£237,500
7 Dec 2018
£164,995
More details

32 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 1066 sq ft
Today
£329,703
streetscan.co.uk estimate
26 Feb 2024
£314,950
21 Jun 2019
£250,000
More details

34 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 1216 sq ft
Today
£384,000
streetscan.co.uk estimate
8 Nov 2019
£300,000
More details

36 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 1216 sq ft
Today
£386,415
streetscan.co.uk estimate
14 Feb 2020
£300,000
More details

37 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 549 sq ft
Today
£212,690
streetscan.co.uk estimate
3 Feb 2025
£210,000
31 Oct 2018
£169,995
More details

38 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 1001 sq ft
Today
£347,291
streetscan.co.uk estimate
9 Nov 2020
£274,995
More details

39 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 549 sq ft
Today
£211,326
streetscan.co.uk estimate
14 Dec 2018
£155,000
More details

4 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 1066 sq ft
Today
£324,794
streetscan.co.uk estimate
9 Aug 2024
£315,000
25 Sep 2020
£252,995
More details

40 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£290,943
streetscan.co.uk estimate
16 Jan 2025
£285,000
24 Apr 2019
£219,995
More details

41 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 1012 sq ft
Today
£211,326
streetscan.co.uk estimate
20 Dec 2018
£155,000
More details

42 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£294,472
streetscan.co.uk estimate
18 Apr 2019
£219,995
More details

43 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 1012 sq ft
Today
£221,545
streetscan.co.uk estimate
20 Dec 2018
£162,495
More details

44 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£289,571
streetscan.co.uk estimate
16 Aug 2019
£219,995
More details

45 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 1001 sq ft
Today
£371,291
streetscan.co.uk estimate
31 Oct 2018
£284,995
More details

46 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£302,742
streetscan.co.uk estimate
21 Dec 2018
£224,995
More details

48 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 743 sq ft
Today
£265,855
streetscan.co.uk estimate
21 Dec 2018
£194,995
More details

5 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 969 sq ft
Today
£365,708
streetscan.co.uk estimate
21 Dec 2018
£279,995
More details

50 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 743 sq ft
Today
£259,045
streetscan.co.uk estimate
21 Dec 2018
£190,000
More details

52 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 743 sq ft
Today
£255,484
streetscan.co.uk estimate
22 Sep 2023
£247,500
21 Dec 2018
£199,995
More details

54 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 1012 sq ft
Today
£287,218
streetscan.co.uk estimate
18 Jun 2021
£240,000
21 Dec 2018
£224,995
More details

56 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 1012 sq ft
Today
£271,216
streetscan.co.uk estimate
20 Mar 2020
£204,995
More details

58 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 969 sq ft
Today
£347,767
streetscan.co.uk estimate
24 Feb 2020
£269,995
More details

6 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£281,587
streetscan.co.uk estimate
6 Oct 2023
£272,000
25 Oct 2019
£219,995
More details

60 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 1001 sq ft
Today
£341,755
streetscan.co.uk estimate
17 Jan 2020
£270,000
More details

62 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 1001 sq ft
Today
£353,762
streetscan.co.uk estimate
16 Aug 2019
£274,995
More details

64 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 969 sq ft
Today
£347,330
streetscan.co.uk estimate
30 Apr 2020
£269,995
More details

66 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 1098 sq ft
Today
£391,830
streetscan.co.uk estimate
20 Dec 2018
£299,995
More details

68 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 1098 sq ft
Today
£385,217
streetscan.co.uk estimate
14 Nov 2022
£379,950
21 Dec 2018
£300,000
More details

7 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 549 sq ft
Today
£231,463
streetscan.co.uk estimate
30 Nov 2018
£169,995
More details

70 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Detached
🛏️ bed
📐 1216 sq ft
Today
£394,352
streetscan.co.uk estimate
28 Jun 2019
£300,000
More details

8 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Semi-detached
🛏️ bed
📐 764 sq ft
Today
£281,369
streetscan.co.uk estimate
28 Mar 2025
£280,000
15 Nov 2019
£219,995
More details

9 Heol Williams, Old St Mellons, Cardiff, CF3 6AQ

🏠 Terraced
🛏️ bed
📐 549 sq ft
Today
£228,857
streetscan.co.uk estimate
1 Feb 2021
£185,000
21 Dec 2018
£155,000
More details

Area Insights

Data Sources

Properties at CF3 6AQ appear seventy-eight times in the Land Registry records, with the latest transaction recorded on 9 Jun 2025. It also has fifty-six Energy Performance Certificates (EPC) entries, the earliest dating back to 18 Oct 2019. 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.