Over the past 30 years, there have been 40 property sales recorded in the SA18 1BY postcode area. The highest sale price reached £200,000, while the most recent sale was a property sold in July 2025 for £129,000.

The estimated average property value in SA18 1BY currently stands at £113,936, which is approximately 46% 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 £1,272.

Property prices in SA18 1BY have risen by 4.3% over the past year , with a total increase of 34% over the past five years, and a long-term rise of 59.2% over the past decade.

The most common type of property sold in the area is semi-detached, making up around 43% of transactions , followed by terraced and other.

Housing in SA18 1BY is predominantly owner-occupied, with an estimated 71% of homes being lived in by the owners.

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Property Sales

15 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Semi-detached
🛏️ 7bed
📐 1432 sq ft
Today
£224,007
streetscan.co.uk estimate
10 Jul 2006
£139,950
25 Jun 2004
£84,000
More details

17 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Detached
🛏️ 8bed
📐 1690 sq ft
Today
£140,131
streetscan.co.uk estimate
29 Jan 2016
£85,000
More details

21A Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Flat
🛏️ 2bed
📐 538 sq ft
Today
£30,990
streetscan.co.uk estimate
4 Apr 2022
£30,000
26 Apr 2012
£65,000
View +1 more
More details

21B Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Flat
🛏️ 2bed
📐 560 sq ft
Today
£30,990
streetscan.co.uk estimate
4 Apr 2022
£30,000
More details

21C Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Flat
🛏️ 2bed
📐 484 sq ft
Today
£36,155
streetscan.co.uk estimate
4 Apr 2022
£35,000
More details

23 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Semi-detached
🛏️ 5bed
📐 1044 sq ft
Today
£73,223
streetscan.co.uk estimate
5 Jan 2001
£16,500
More details

27 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Semi-detached
🛏️ 6bed
📐 1658 sq ft
Today
£101,793
streetscan.co.uk estimate
26 Jul 1996
£19,000
More details

29 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Semi-detached
🛏️ 5bed
📐 883 sq ft
Today
£148,624
streetscan.co.uk estimate
30 Jul 2024
£140,000
More details

3 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Detached
🛏️ 7bed
📐 1862 sq ft
Today
£51,860
streetscan.co.uk estimate
10 Oct 2023
£50,000
More details

31 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Semi-detached
🛏️ 7bed
📐 958 sq ft
Today
£117,426
streetscan.co.uk estimate
23 Jun 2017
£72,000
More details

33 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Semi-detached
🛏️ 4bed
📐 840 sq ft
Today
£119,092
streetscan.co.uk estimate
7 Nov 2019
£85,000
More details

35 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

Today
£93,303
streetscan.co.uk estimate
22 Jan 2001
£20,000

39 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

Today
£183,403
streetscan.co.uk estimate
21 Jul 2023
£180,000
17 May 2021
£200,000
10 Jun 2019
£125,000
5 Jul 2002
£100,000

41 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Other
🛏️ 8bed
📐 1432 sq ft
Today
£187,339
streetscan.co.uk estimate
28 Apr 2017
£135,000
2 May 2006
£135,000
More details

47 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Terraced
🛏️ 4bed
📐 753 sq ft
Today
£90,583
streetscan.co.uk estimate
25 Oct 2005
£55,000
25 Oct 2002
£16,000
More details

51 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Semi-detached
🛏️ 2bed
📐 484 sq ft
Today
£107,216
streetscan.co.uk estimate
10 Nov 2004
£59,000
More details

53 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

Today
£129,753
streetscan.co.uk estimate
11 Jul 2025
£129,000

55 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Semi-detached
🛏️ 6bed
📐 840 sq ft
Today
£114,465
streetscan.co.uk estimate
6 May 2021
£90,000
More details

57 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Semi-detached
🛏️ 5bed
📐 1453 sq ft
Today
£189,622
streetscan.co.uk estimate
10 May 2022
£170,000
More details

59 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Semi-detached
🛏️ 5bed
📐 1087 sq ft
Today
£182,657
streetscan.co.uk estimate
5 Mar 2018
£115,000
21 Nov 2002
£60,000
More details

61 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Semi-detached
🛏️ 5bed
📐 829 sq ft
Today
£157,420
streetscan.co.uk estimate
24 Jun 2016
£95,000
19 Sep 2012
£95,000
View +1 more
More details

69 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Terraced
🛏️ 1bed
📐 764 sq ft
Today
£102,394
streetscan.co.uk estimate
15 Mar 2013
£58,000
16 Jun 1995
£22,000
More details

71 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Terraced
🛏️ 4bed
📐 872 sq ft
Today
£114,366
streetscan.co.uk estimate
30 Jun 2015
£67,000
29 Oct 2014
£35,000
More details

73 Cwmgarw Road, Upper Brynamman, Ammanford, Carmarthenshire, SA18 1BY

🏠 Terraced
🛏️ 3bed
📐 570 sq ft
Today
£108,775
streetscan.co.uk estimate
13 Apr 2018
£69,000
22 Aug 2014
£55,500
View +1 more
More details

9 - 11 Cwmgarw Road, Upper Brynamman, Ammanford, Dinefwr, Dyfed, SA18 1BY

Today
£122,830
streetscan.co.uk estimate
24 Feb 1995
£23,000

Area Insights

Data Sources

Properties at SA18 1BY appear fourty times in the Land Registry records, with the latest transaction recorded on 11 Jul 2025. It also has twenty-one Energy Performance Certificates (EPC) entries, the earliest dating back to 29 Mar 2016. 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.