Plas Cywyn, Carmarthen occupies a 3,854 m² plot as recorded by HM Land Registry.

Of the 6 other houses in this postcode, 5 have recorded plot sizes, and this one ranks as the 2nd largest.

Plas Cywyn, Carmarthen has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 12 Feb 2016.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (oil).

Plas Cywyn, Carmarthen last changed hands on 6th June 2019, selling for £370,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 37.7% since June 2019.

• Sold Jun 2019£370,000
• Sold Aug 2004£255,000

Land Registry records and our Estate Agent network show 28 sales of comparable properties within 4.3 kilometres of Plas Cywyn, Carmarthen since 2011.

Most recently, 12, Clos Nathaniel, Carmarthen, SA33 4AW, a freehold house, sold at £430,000 on the 16th December 2025.

Read more about house prices in SA33.

• Sold Dec 2025£430,000 | 5 Bed House12, Clos Nathaniel, Carmarthen, SA33 4AW12, Clos Nathaniel, Carmarthen, SA33 4AW
• Sold Oct 2025£435,000 | 5 Bed HouseCrofty, Salem Road, Carmarthen, SA33 4DDCrofty, Salem Road, Carmarthen, SA33 4DD
• Sold Jan 2025£545,000 | 5 Bed HouseAwel Deg, Salem Road, Carmarthen, SA33 4DDAwel Deg, Salem Road, Carmarthen, SA33 4DD
• Sold Apr 2024£220,000 | 5 Bed HouseSelwyn Forge, Carmarthen, SA33 4JPSelwyn Forge, Carmarthen, SA33 4JP
• Sold Mar 2023£2,825,000 | 5 Bed HouseWern Farm, Carmarthen, SA33 5NEWern Farm, Carmarthen, SA33 5NE
• Sold Oct 2022£370,000 | 5 Bed HouseSouthlands, Meidrim Road, Carmarthen, SA33 4DNSouthlands, Meidrim Road, Carmarthen, SA33 4DN
• Sold Jun 2022£1,140,000 | 5 Bed HouseCastellwaun, Carmarthen, SA33 5NSCastellwaun, Carmarthen, SA33 5NS
• Sold Apr 2022£335,000 | 5 Bed HouseCartrefle, Salem Road, Carmarthen, SA33 4DDCartrefle, Salem Road, Carmarthen, SA33 4DD
• Sold Feb 2022£480,000 | 5 Bed House1, Cae Glas, Carmarthen, SA33 4EY1, Cae Glas, Carmarthen, SA33 4EY
• Sold Jun 2021£361,000 | 5 Bed House11, Clos Nathaniel, Carmarthen, SA33 4AW11, Clos Nathaniel, Carmarthen, SA33 4AW
• Sold Nov 2019£345,000 | 5 Bed HouseMaes Glas, Carmarthen, SA33 5DBMaes Glas, Carmarthen, SA33 5DB
• Sold Oct 2018£280,000 | 5 Bed House9, Clos Nathaniel, Carmarthen, SA33 4AW9, Clos Nathaniel, Carmarthen, SA33 4AW
• Sold Sep 2018£305,000 | 5 Bed House19, Clos Nathaniel, Carmarthen, SA33 4AW19, Clos Nathaniel, Carmarthen, SA33 4AW
• Sold Aug 2017£240,000 | 5 Bed HouseErwr-Felin, Carmarthen, SA33 4LXErwr-Felin, Carmarthen, SA33 4LX
• Sold Jun 2017£343,000 | 5 Bed HouseLlyswen, Salem Road, Carmarthen, SA33 4DDLlyswen, Salem Road, Carmarthen, SA33 4DD
• Sold Mar 2017£225,000 | 5 Bed HouseGreen Gables, High Street, Carmarthen, SA33 4DYGreen Gables, High Street, Carmarthen, SA33 4DY
• Sold Mar 2017£320,000 | 5 Bed House2, Cae Glas, Carmarthen, SA33 4EY2, Cae Glas, Carmarthen, SA33 4EY
• Sold Aug 2016£200,000 | 5 Bed HouseCryd Y Wawr Yard, Carmarthen, SA33 4NBCryd Y Wawr Yard, Carmarthen, SA33 4NB
• Sold Apr 2015£220,000 | 5 Bed HouseLlysawelon, Carmarthen, SA33 4NDLlysawelon, Carmarthen, SA33 4ND
• Sold Dec 2011£245,000 | 5 Bed House5, Clos Nathaniel, Carmarthen, SA33 4AW5, Clos Nathaniel, Carmarthen, SA33 4AW

Our analysis of the public data ranks Plas Cywyn, Carmarthen as the 28th largest and the 31st most expensive of the 250 addresses on St. Clears, Carmarthen, SA33.

Against the SA33 postcode district average, it is £204k more expensive than the typical property.

• Ferryside

  |

  9.0 km away
• Whitland

  |

  10.1 km away
• Carmarthen

  |

  11.6 km away

Environment Agency data suggests this area has a Very Low risk of flooding.