According to data from HM Land Registry, 6, Derwen Fechan, Carmarthen sits on a plot of 879 m².

We have plot size data on 17 out of 17 other houses in the postcode and 6, Derwen Fechan, Carmarthen sits on the largest plot.

6, Derwen Fechan, Carmarthen has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 23 Mar 2015.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 6, Derwen Fechan, Carmarthen was last sold on 11th July 2005 for £249,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

• Sold Jul 2005£249,000

According to the Land Registry and our network of Estate Agents, there have been 85 sales of properties similar to 6, Derwen Fechan, Carmarthen within a radius of 940 metres since 2015.

The most recent example is 6, Llwyn Yr Eos, Carmarthen, SA31 3GH, a freehold house which sold for £316,000 on the 10th November 2025.

Read more about house prices in SA31.

• Sold Nov 2025£316,000 | 4 Bed House6, Llwyn Yr Eos, Carmarthen, SA31 3GH6, Llwyn Yr Eos, Carmarthen, SA31 3GH
• Sold Sep 2025£275,000 | 4 Bed House44, Lime Grove Avenue, Carmarthen, SA31 1SN44, Lime Grove Avenue, Carmarthen, SA31 1SN
• Sold Feb 2025£300,000 | 4 Bed House6, Pant Y Barcud, Carmarthen, SA31 3GL6, Pant Y Barcud, Carmarthen, SA31 3GL
• Sold Mar 2024£310,000 | 4 Bed House12, Meysydd Y Coleg, Carmarthen, SA31 3GU12, Meysydd Y Coleg, Carmarthen, SA31 3GU
• Sold Dec 2023£325,000 | 4 Bed House65, Meysydd Y Coleg, Carmarthen, SA31 3GR65, Meysydd Y Coleg, Carmarthen, SA31 3GR
• Sold Sep 2023£237,000 | 4 Bed House26, Meysydd Y Coleg, Carmarthen, SA31 3GU26, Meysydd Y Coleg, Carmarthen, SA31 3GU
• Sold Jul 2023£307,500 | 4 Bed House25, Trem Y Coleg, Carmarthen, SA31 3ED25, Trem Y Coleg, Carmarthen, SA31 3ED
• Sold Jun 2023£327,000 | 4 Bed House30, Meysydd Y Coleg, Carmarthen, SA31 3GU30, Meysydd Y Coleg, Carmarthen, SA31 3GU
• Sold Dec 2022£235,000 | 4 Bed House3, Maes Yr Ehedydd, Carmarthen, SA31 3GB3, Maes Yr Ehedydd, Carmarthen, SA31 3GB
• Sold Jan 2022£320,000 | 3 Bed House4, Derwen Fechan, Carmarthen, SA31 3QA4, Derwen Fechan, Carmarthen, SA31 3QA
• Sold Aug 2021£285,000 | 4 Bed House17, Derwen Fechan, Carmarthen, SA31 3QA17, Derwen Fechan, Carmarthen, SA31 3QA
• Sold Jul 2020£225,000 | 4 Bed House10, Meysydd Y Coleg, Carmarthen, SA31 3GU10, Meysydd Y Coleg, Carmarthen, SA31 3GU
• Sold Mar 2020£180,000 | 4 Bed House6, Maes Yr Ehedydd, Carmarthen, SA31 3GB6, Maes Yr Ehedydd, Carmarthen, SA31 3GB
• Sold Oct 2018£168,000 | 4 Bed House55, Meysydd Y Coleg, Carmarthen, SA31 3GR55, Meysydd Y Coleg, Carmarthen, SA31 3GR
• Sold Mar 2018£216,000 | 4 Bed House68, Meysydd Y Coleg, Carmarthen, SA31 3GU68, Meysydd Y Coleg, Carmarthen, SA31 3GU
• Sold May 2017£159,950 | 4 Bed House20, Meysydd Y Coleg, Carmarthen, SA31 3GU20, Meysydd Y Coleg, Carmarthen, SA31 3GU
• Sold Nov 2016£159,995 | 4 Bed House52, Meysydd Y Coleg, Carmarthen, SA31 3GU52, Meysydd Y Coleg, Carmarthen, SA31 3GU
• Sold Jul 2016£210,000 | 4 Bed House44, Meysydd Y Coleg, Carmarthen, SA31 3GU44, Meysydd Y Coleg, Carmarthen, SA31 3GU
• Sold Aug 2015£170,000 | 3 Bed House22, Meysydd Y Coleg, Carmarthen, SA31 3GU22, Meysydd Y Coleg, Carmarthen, SA31 3GU
• Sold Jan 2015£200,000 | 4 Bed House29, Meysydd Y Coleg, Carmarthen, SA31 3GR29, Meysydd Y Coleg, Carmarthen, SA31 3GR

Derwen Fechan, Trevaughan, Carmarthen, SA31 has a total of 17 addresses. According to our analysis of all the public data, 6, Derwen Fechan, Carmarthen is the 16th largest and the 15th most expensive property on the street.

When compared to the postcode district it is £71k more expensive than the average property in SA31.

• Carmarthen

  |

  1.7 km away
• Ferryside

  |

  11.2 km away
• Kidwelly

  |

  14.5 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.