Over the past 21 years, there have been 18 property sales recorded in the SA31 3PH postcode area. The highest sale price reached £187,500, while the most recent sale was for a semi-detached house sold in June 2025 for £170,000.

The estimated average property value in SA31 3PH currently stands at £149,970, which is approximately 39.1% 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 £2,352.

Property prices in SA31 3PH have risen by 3.5% over the past year , with a total increase of 34.1% over the past five years, and a long-term rise of 40.8% over the past decade.

The most common type of property sold in the area is flat, making up around 39% of transactions , followed by detached and terraced.

Housing in SA31 3PH is predominantly owner-occupied, with an estimated 100% of homes being lived in by the owners.

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Property Sales

1 Plas Ystrad, Johnstown, Carmarthen, Carmarthenshire, SA31 3PH

🏠 Flat
🛏️ 3bed
📐 657 sq ft
Today
£140,894
streetscan.co.uk estimate
30 Sep 2021
£130,000
More details

10 Plas Ystrad, Johnstown, Carmarthen, Carmarthenshire, SA31 3PH

🏠 Detached
🛏️ 2bed
📐 463 sq ft
Today
£77,466
streetscan.co.uk estimate
27 Feb 2023
£76,000
21 Nov 2006
£106,000
More details

The Former Billiard Room, 11 Plas Ystrad Coed Y Plas, Johnstown, Carmarthen, Carmarthenshire, SA31 3PH

Today
£197,832
streetscan.co.uk estimate
24 May 2023
£187,500

2 Plas Ystrad, Johnstown, Carmarthen, Carmarthenshire, SA31 3PH

🏠 Flat
🛏️ 3bed
📐 657 sq ft
Today
£138,726
streetscan.co.uk estimate
30 Sep 2021
£128,000
More details

3 Plas Ystrad, Johnstown, Carmarthen, Carmarthenshire, SA31 3PH

🏠 Flat
🛏️ 3bed
📐 635 sq ft
Today
£135,475
streetscan.co.uk estimate
30 Sep 2021
£125,000
More details

4 Plas Ystrad, Johnstown, Carmarthen, Carmarthenshire, SA31 3PH

🏠 Flat
🛏️ 3bed
📐 614 sq ft
Today
£138,184
streetscan.co.uk estimate
16 Dec 2021
£127,500
More details

5 Plas Ystrad, Johnstown, Carmarthen, Carmarthenshire, SA31 3PH

🏠 Semi-detached
🛏️ 3bed
📐 700 sq ft
Today
£155,991
streetscan.co.uk estimate
28 Jan 2019
£105,000
2 Feb 2010
£117,000
More details

6 Plas Ystrad, Johnstown, Carmarthen, Carmarthenshire, SA31 3PH

🏠 Terraced
🛏️ 3bed
📐 883 sq ft
Today
£219,531
streetscan.co.uk estimate
17 Mar 2009
£122,222
More details

7 Plas Ystrad, Johnstown, Carmarthen, Carmarthenshire, SA31 3PH

🏠 Flat
🛏️ 3bed
📐 840 sq ft
Today
£142,226
streetscan.co.uk estimate
15 Sep 2023
£139,000
28 Apr 2023
£105,000
View +1 more
More details

8 Plas Ystrad, Johnstown, Carmarthen, Carmarthenshire, SA31 3PH

🏠 Terraced
🛏️ 3bed
📐 603 sq ft
Today
£151,360
streetscan.co.uk estimate
9 Feb 2024
£138,000
15 Dec 2006
£125,000
More details

9 Plas Ystrad, Johnstown, Carmarthen, Carmarthenshire, SA31 3PH

🏠 Detached
🛏️ 3bed
📐 624 sq ft
Today
£172,056
streetscan.co.uk estimate
18 Jun 2025
£170,000
13 Apr 2007
£125,000
View +1 more
More details

Area Insights

Data Sources

Properties at SA31 3PH appear eighteen times in the Land Registry records, with the latest transaction recorded on 18 Jun 2025. It also has ten Energy Performance Certificates (EPC) entries, the earliest dating back to 19 Sep 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.