Trefwyn, Carmarthen occupies a 1,479 m² plot as recorded by HM Land Registry.

Of the 40 other houses in this postcode, 32 have recorded plot sizes, and this one ranks as the 9th largest.

Trefwyn, Carmarthen has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 May 2013.

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

Trefwyn, Carmarthen last changed hands on 17th April 2014, selling for £180,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 29.5% since April 2014.

• Sold Apr 2014£180,000

Land Registry records and our Estate Agent network show 128 sales of comparable properties within 5.6 kilometres of Trefwyn, Carmarthen since 2012.

Most recently, Lletty, Carmarthen, SA33 6BL, a freehold house, sold at £290,000 on the 29th September 2025.

Read more about house prices in SA32.

• Sold Sep 2025£290,000 | 4 Bed HouseLletty, Carmarthen, SA33 6BLLletty, Carmarthen, SA33 6BL
• Sold Aug 2025£300,000 | 4 Bed House9, Heol Ffynhonnau, Carmarthen, SA32 7AX9, Heol Ffynhonnau, Carmarthen, SA32 7AX
• Sold Apr 2025£280,000 | 3 Bed House6, Maes Yr Ysgol, Carmarthen, SA32 7BT6, Maes Yr Ysgol, Carmarthen, SA32 7BT
• Sold Nov 2024£220,000 | 3 Bed House2 Brollawddog, Carmarthen, SA32 7DT2 Brollawddog, Carmarthen, SA32 7DT
• Sold May 2022£294,500 | 3 Bed House6, Cwrt Y Gloch, Carmarthen, SA32 7HW6, Cwrt Y Gloch, Carmarthen, SA32 7HW
• Sold Jul 2021£240,000 | 3 Bed House5, Clos Y Fedw, Carmarthen, SA32 7AZ5, Clos Y Fedw, Carmarthen, SA32 7AZ
• Sold Jun 2021£93,240 | 3 Bed House3, Clos Y Fedw, Carmarthen, SA32 7AZ3, Clos Y Fedw, Carmarthen, SA32 7AZ
• Sold Mar 2021£200,000 | 3 Bed House7, Clos Y Fedw, Carmarthen, SA32 7AZ7, Clos Y Fedw, Carmarthen, SA32 7AZ
• Sold Jan 2021£225,000 | 4 Bed House6, Clos Y Fedw, Carmarthen, SA32 7AZ6, Clos Y Fedw, Carmarthen, SA32 7AZ
• Sold Nov 2020£245,000 | 4 Bed HouseYr Einion, Carmarthen, SA32 7DTYr Einion, Carmarthen, SA32 7DT
• Sold Oct 2019£305,000 | 3 Bed HouseFronhaul, Rhydargaeau Road, Carmarthen, SA32 7AHFronhaul, Rhydargaeau Road, Carmarthen, SA32 7AH
• Sold Mar 2019£210,000 | 4 Bed HouseGrug Y Bedw, Carmarthen, SA33 6BLGrug Y Bedw, Carmarthen, SA33 6BL
• Sold Feb 2019£153,000 | 3 Bed House1 Brollawddog, Carmarthen, SA32 7DT1 Brollawddog, Carmarthen, SA32 7DT
• Sold Dec 2018£190,000 | 3 Bed HousePennant, Carmarthen, SA32 7DSPennant, Carmarthen, SA32 7DS
• Sold Jul 2018£180,000 | 3 Bed House4 Bro Dauddwr, Carmarthen, SA32 7AS4 Bro Dauddwr, Carmarthen, SA32 7AS
• Sold Oct 2017£5,000 | 3 Bed HouseGlynteg, Carmarthen, SA33 6BGGlynteg, Carmarthen, SA33 6BG
• Sold Oct 2017£210,000 | 3 Bed HouseTyddyn Haul, Carmarthen, SA32 7DTTyddyn Haul, Carmarthen, SA32 7DT
• Sold Mar 2017£182,500 | 3 Bed House8 Bro Helyg, Carmarthen, SA32 7DT8 Bro Helyg, Carmarthen, SA32 7DT
• Sold Jun 2016£185,000 | 3 Bed HouseThe Bungalow, Gors Farm, Rhydargaeau Road, Carmarthen, SA32 7APThe Bungalow, Gors Farm, Rhydargaeau Road, Carmarthen, SA32 7AP
• Sold May 2012£299,950 | 3 Bed HouseLlwynberis, Rhydargaeau Road, Carmarthen, SA32 7AHLlwynberis, Rhydargaeau Road, Carmarthen, SA32 7AH

Our analysis of the public data ranks Trefwyn, Carmarthen as the 61st largest and the 54th most expensive of the 111 addresses on Rhydargaeau, Carmarthen, SA32.

Against the SA32 postcode district average, it is £23k more expensive than the typical property.

• Carmarthen

  |

  6.9 km away
• Ferryside

  |

  17.3 km away
• Ffairfach

  |

  19.7 km away

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