HM Land Registry records the plot of land for 21, Carmarthen as measuring 54 m².

That makes it the 18th largest plot in the postcode, where 22 of the 32 other houses have recorded plot data.

21, Carmarthen has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 15 Nov 2016.

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

Since 2019 97 properties similar to 21, Carmarthen have sold within a radius of 1.1 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 24th April 2026, was 47, Carmarthen, SA31 3QL, a freehold house which sold for £165,000.

Read more about house prices in SA31.

• Sold Apr 2026£165,000 | 3 Bed House47, Carmarthen, SA31 3QL47, Carmarthen, SA31 3QL
• Sold Jun 2025£203,000 | 3 Bed House36, Heol Rudd, Carmarthen, SA31 1SU36, Heol Rudd, Carmarthen, SA31 1SU
• Sold Oct 2024£150,000 | 3 Bed House44, Hafod Elfed, Carmarthen, SA31 1TD44, Hafod Elfed, Carmarthen, SA31 1TD
• Sold Oct 2024£165,000 | 3 Bed House57, Parcmaen Street, Carmarthen, SA31 3DR57, Parcmaen Street, Carmarthen, SA31 3DR
• Sold Aug 2024£171,000 | 3 Bed House81, Parcmaen Street, Carmarthen, SA31 3DR81, Parcmaen Street, Carmarthen, SA31 3DR
• Sold Aug 2024£143,000 | 3 Bed House48, Parcmaen Street, Carmarthen, SA31 3DR48, Parcmaen Street, Carmarthen, SA31 3DR
• Sold Apr 2024£125,000 | 3 Bed House58, Parcmaen Street, Carmarthen, SA31 3DR58, Parcmaen Street, Carmarthen, SA31 3DR
• Sold Feb 2024£166,000 | 3 Bed House62, Parcmaen Street, Carmarthen, SA31 3DR62, Parcmaen Street, Carmarthen, SA31 3DR
• Sold Oct 2023£160,000 | 3 Bed House39, Carmarthen, SA31 3QL39, Carmarthen, SA31 3QL
• Sold Apr 2023£168,000 | 3 Bed House67, Parcmaen Street, Carmarthen, SA31 3DR67, Parcmaen Street, Carmarthen, SA31 3DR
• Sold Jan 2023£162,000 | 3 Bed House21, Russell Terrace, Carmarthen, SA31 1SX21, Russell Terrace, Carmarthen, SA31 1SX
• Sold Aug 2022£172,500 | 3 Bed House49, Parcmaen Street, Carmarthen, SA31 3DR49, Parcmaen Street, Carmarthen, SA31 3DR
• Sold Jul 2022£175,000 | 3 Bed House73, Parcmaen Street, Carmarthen, SA31 3DR73, Parcmaen Street, Carmarthen, SA31 3DR
• Sold Oct 2021£165,500 | 3 Bed House18B, Russell Terrace, Carmarthen, SA31 1SX18B, Russell Terrace, Carmarthen, SA31 1SX
• Sold Sep 2021£122,000 | 3 Bed House34, Heol Rudd, Carmarthen, SA31 1SU34, Heol Rudd, Carmarthen, SA31 1SU
• Sold Jul 2021£125,000 | 3 Bed House51, Parcmaen Street, Carmarthen, SA31 3DR51, Parcmaen Street, Carmarthen, SA31 3DR
• Sold Sep 2020£128,000 | 3 Bed House2, Heol Rudd, Carmarthen, SA31 1SU2, Heol Rudd, Carmarthen, SA31 1SU
• Sold Apr 2020£112,000 | 3 Bed House63, Parcmaen Street, Carmarthen, SA31 3DR63, Parcmaen Street, Carmarthen, SA31 3DR
• Sold Mar 2020£130,000 | 3 Bed House79, Parcmaen Street, Carmarthen, SA31 3DR79, Parcmaen Street, Carmarthen, SA31 3DR
• Sold Aug 2019£135,000 | 3 Bed House11, Russell Terrace, Carmarthen, SA31 1SX11, Russell Terrace, Carmarthen, SA31 1SX

Of the 131 addresses on Trevaughan, Carmarthen, SA31, 21, Carmarthen comes out as the 39th largest and the 47th most expensive in our analysis of the public data.

It is also £84k less expensive than the average property across the SA31 district.

• Carmarthen

  |

  1.9 km away
• Ferryside

  |

  11.4 km away
• Kidwelly

  |

  14.7 km away

The flood risk here is rated Very Low, based on Environment Agency data.