Over the past 12 years, there have been 62 property sales recorded in the CF46 6EF postcode area. The highest sale price reached £315,000, while the most recent sale was for a detached house sold in August 2025 for £315,000.

The estimated average property value in CF46 6EF currently stands at £299,881, which is approximately 94.4% 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 £3,226.

Property prices in CF46 6EF have fallen by 3.3% over the past year , with a total increase of 29% over the past five years , and a long-term rise of 60.7% over the past decade .

The most common type of property sold in the area is detached, making up around 52% of transactions , followed by semi-detached and terraced.

Housing in CF46 6EF is mixed, with 72% of homes being , indicating a diverse residential makeup.

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Property Sales

1 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ 6bed
📐 1324 sq ft
Today
£390,620
streetscan.co.uk estimate
11 Nov 2016
£248,000
6 Jun 2014
£227,750
More details

10 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Terraced
🛏️ bed
📐 840 sq ft
Today
£201,018
streetscan.co.uk estimate
28 Jun 2021
£170,000
13 Dec 2013
£135,500
More details

11 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Terraced
🛏️ 5bed
📐 872 sq ft
Today
£256,697
streetscan.co.uk estimate
20 Dec 2013
£145,995
More details

12 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ 5bed
📐 1119 sq ft
Today
£285,783
streetscan.co.uk estimate
14 Jun 2024
£291,000
20 May 2016
£214,000
View +1 more
More details

13 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 1184 sq ft
Today
£351,559
streetscan.co.uk estimate
19 Feb 2016
£215,000
23 May 2014
£204,995
More details

14 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Semi-detached
🛏️ bed
📐 958 sq ft
Today
£307,147
streetscan.co.uk estimate
12 Jun 2014
£169,995
More details

15 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Semi-detached
🛏️ bed
📐 958 sq ft
Today
£316,181
streetscan.co.uk estimate
20 Jun 2014
£174,995
More details

16 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 1184 sq ft
Today
£366,422
streetscan.co.uk estimate
20 Jun 2014
£206,995
More details

17 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ 5bed
📐 1076 sq ft
Today
£339,878
streetscan.co.uk estimate
26 Jun 2014
£192,000
More details

18 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 1130 sq ft
Today
£304,442
streetscan.co.uk estimate
1 Nov 2022
£310,000
23 Jun 2017
£212,000
View +1 more
More details

19 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Semi-detached
🛏️ 4bed
📐 840 sq ft
Today
£267,735
streetscan.co.uk estimate
3 Feb 2023
£268,000
19 Sep 2014
£170,000
More details

2 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 1098 sq ft
Today
£319,789
streetscan.co.uk estimate
2 Nov 2018
£229,950
11 Jul 2014
£187,500
More details

20 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Semi-detached
🛏️ bed
📐 958 sq ft
Today
£269,814
streetscan.co.uk estimate
9 Nov 2018
£187,000
23 Jan 2015
£160,000
More details

21 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Terraced
🛏️ bed
📐 904 sq ft
Today
£260,627
streetscan.co.uk estimate
25 Sep 2014
£156,995
More details

22 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Terraced
🛏️ 4bed
📐 721 sq ft
Today
£219,304
streetscan.co.uk estimate
24 Oct 2014
£129,500
More details

23 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Terraced
🛏️ 5bed
📐 893 sq ft
Today
£215,348
streetscan.co.uk estimate
15 Oct 2021
£190,000
25 Oct 2019
£169,250
View +1 more
More details

24 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Terraced
🛏️ bed
📐 904 sq ft
Today
£270,946
streetscan.co.uk estimate
24 Oct 2014
£159,995
More details

25 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ 6bed
📐 1087 sq ft
Today
£303,311
streetscan.co.uk estimate
1 Aug 2025
£315,000
5 Nov 2021
£290,000
View +2 more
More details

26 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 1130 sq ft
Today
£321,890
streetscan.co.uk estimate
24 Jul 2015
£190,000
More details

27 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 1184 sq ft
Today
£351,537
streetscan.co.uk estimate
20 Feb 2015
£209,995
More details

28 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 1184 sq ft
Today
£339,456
streetscan.co.uk estimate
19 Dec 2014
£204,500
More details

29 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 1173 sq ft
Today
£352,143
streetscan.co.uk estimate
29 Jun 2021
£300,000
2 Apr 2015
£192,000
More details

3 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ 5bed
📐 1249 sq ft
Today
£384,484
streetscan.co.uk estimate
26 Sep 2013
£205,500
More details

30 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 1173 sq ft
Today
£334,615
streetscan.co.uk estimate
27 Oct 2017
£225,000
1 May 2015
£192,000
More details

31 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 1055 sq ft
Today
£307,462
streetscan.co.uk estimate
29 Jul 2016
£203,000
27 Mar 2015
£192,000
More details

32 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Semi-detached
🛏️ bed
📐 958 sq ft
Today
£293,080
streetscan.co.uk estimate
12 Mar 2019
£195,000
24 Apr 2015
£165,000
More details

33 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Semi-detached
🛏️ bed
📐 958 sq ft
Today
£265,789
streetscan.co.uk estimate
29 May 2015
£165,000
More details

34 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Semi-detached
🛏️ bed
📐 958 sq ft
Today
£280,556
streetscan.co.uk estimate
26 Mar 2015
£165,000
More details

35 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Semi-detached
🛏️ bed
📐 958 sq ft
Today
£294,654
streetscan.co.uk estimate
23 Jan 2015
£174,750
More details

36 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Semi-detached
🛏️ bed
📐 958 sq ft
Today
£274,686
streetscan.co.uk estimate
19 Jul 2019
£195,000
26 Mar 2015
£165,000
More details

37 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Semi-detached
🛏️ 5bed
📐 915 sq ft
Today
£283,279
streetscan.co.uk estimate
14 Mar 2022
£260,000
18 Nov 2016
£170,000
View +1 more
More details

4 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 818 sq ft
Today
£445,640
streetscan.co.uk estimate
24 Oct 2013
£239,995
More details

5 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 818 sq ft
Today
£415,053
streetscan.co.uk estimate
14 Mar 2014
£228,995
More details

6 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 1184 sq ft
Today
£339,101
streetscan.co.uk estimate
13 Dec 2013
£195,000
More details

7 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Detached
🛏️ bed
📐 1098 sq ft
Today
£328,658
streetscan.co.uk estimate
18 Jul 2014
£192,995
More details

8 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Terraced
🛏️ bed
📐 818 sq ft
Today
£236,491
streetscan.co.uk estimate
23 Jun 2021
£200,000
6 Feb 2019
£170,000
View +1 more
More details

9 River Avenue, Trelewis, Treharris, Merthyr Tydfil, CF46 6EF

🏠 Terraced
🛏️ bed
📐 710 sq ft
Today
£216,217
streetscan.co.uk estimate
15 Jun 2018
£145,000
19 Sep 2013
£124,995
More details

Area Insights

Data Sources

Properties at CF46 6EF appear sixty-two times in the Land Registry records, with the latest transaction recorded on 1 Aug 2025. It also has thirty-seven Energy Performance Certificates (EPC) entries, the earliest dating back to 27 Aug 2013. 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.