Over the past 27 years, there have been 37 property sales recorded in the SA31 3SD postcode area. The highest sale price reached £265,000, while the most recent sale was for a detached house sold in August 2025 for £265,000.

The estimated average property value in SA31 3SD currently stands at £308,088, which is approximately 25% 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 £2,997.

Property prices in SA31 3SD have risen by 3.8% over the past year , with a total increase of 33.1% over the past five years, and a long-term rise of 60.7% over the past decade.

100% of recorded transactions in the area were for detached properties.

Housing in SA31 3SD is predominantly owner-occupied, with an estimated 77% of homes being lived in by the owners.

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Property Sales

1 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

🏠 Detached
🛏️ 5bed
📐 840 sq ft
Today
£280,349
streetscan.co.uk estimate
9 Dec 2013
£160,000
1 Dec 2004
£162,000
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11 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

🏠 Detached
🛏️ 7bed
📐 1173 sq ft
Today
£266,326
streetscan.co.uk estimate
8 Aug 2025
£265,000
8 Jun 2015
£173,000
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12 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

🏠 Detached
🛏️ 7bed
📐 1206 sq ft
Today
£362,147
streetscan.co.uk estimate
12 Dec 2002
£123,000
17 May 1999
£93,000
More details

13 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

🏠 Detached
🛏️ 8bed
📐 1550 sq ft
Today
£385,495
streetscan.co.uk estimate
4 Jul 2014
£225,000
27 Jun 2008
£189,950
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14 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

🏠 Detached
🛏️ 5bed
📐 872 sq ft
Today
£237,447
streetscan.co.uk estimate
9 May 2022
£219,000
9 Aug 2004
£144,000
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16 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

🏠 Detached
🛏️ 5bed
📐 797 sq ft
Today
£247,697
streetscan.co.uk estimate
16 Jan 2015
£150,000
23 Oct 2009
£162,500
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18 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

🏠 Detached
🛏️ 7bed
📐 1080 sq ft
Today
£293,286
streetscan.co.uk estimate
9 Dec 2016
£189,000
8 Jul 2010
£210,000
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2 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

Today
£446,090
streetscan.co.uk estimate
28 May 1999
£93,750

3 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

Today
£292,044
streetscan.co.uk estimate
4 Aug 2006
£185,000
29 Jun 2001
£88,000
27 Nov 1998
£81,995

4 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

Today
£306,910
streetscan.co.uk estimate
21 May 1999
£64,500

5 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

🏠 Detached
🛏️ 5bed
📐 861 sq ft
Today
£231,902
streetscan.co.uk estimate
16 Dec 2019
£170,000
26 Feb 1999
£67,500
More details

6 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

Today
£396,827
streetscan.co.uk estimate
26 Feb 1999
£81,816

7 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

Today
£342,204
streetscan.co.uk estimate
21 Sep 2007
£227,000
12 Feb 1999
£91,995

8 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

Today
£337,092
streetscan.co.uk estimate
17 Feb 1999
£69,500

9 Pen Y Cae, Johnstown, Carmarthen, Carmarthenshire, SA31 3SD

🏠 Detached
🛏️ 5bed
📐 936 sq ft
Today
£298,587
streetscan.co.uk estimate
2 Apr 2009
£160,000
28 May 1999
£71,995
More details

Area Insights

Data Sources

Properties at SA31 3SD appear thirty-seven times in the Land Registry records, with the latest transaction recorded on 8 Aug 2025. It also has nine Energy Performance Certificates (EPC) entries, the earliest dating back to 13 Jan 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.