HM Land Registry records the plot of land for 123, James Street, Llanelli as measuring 128 m².

That makes it the 16th largest plot in the postcode, where 22 of the 26 other houses have recorded plot data.

123, James Street, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Jun 2025.

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

The most recent sale of 123, James Street, Llanelli completed on 21st August 2025 at £125,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 51.2% over the period since August 2025.

• Sold Aug 2025£125,000
• Sold Jan 2022£109,995

Since 2016 101 properties similar to 123, James Street, Llanelli have sold within a radius of 530 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 20th February 2026, was 39, Marble Hall Road, Llanelli, SA15 1NN, a freehold house which sold for £132,000.

Read more about house prices in SA15.

• Sold Feb 2026£132,000 | 4 Bed House39, Marble Hall Road, Llanelli, SA15 1NN39, Marble Hall Road, Llanelli, SA15 1NN
• Sold Nov 2025£178,000 | 3 Bed House7, Bradford Street, Llanelli, SA15 1ET7, Bradford Street, Llanelli, SA15 1ET
• Sold Jul 2025£138,000 | 3 Bed House25, James Street, Llanelli, SA15 1DU25, James Street, Llanelli, SA15 1DU
• Sold Jun 2025£126,000 | 4 Bed House44, James Street, Llanelli, SA15 1EA44, James Street, Llanelli, SA15 1EA
• Sold May 2025£105,000 | 3 Bed House125, James Street, Llanelli, SA15 1EB125, James Street, Llanelli, SA15 1EB
• Sold Feb 2025£110,000 | 3 Bed House109, James Street, Llanelli, SA15 1DY109, James Street, Llanelli, SA15 1DY
• Sold Dec 2024£117,500 | 4 Bed House49, Andrew Street, Llanelli, SA15 3YW49, Andrew Street, Llanelli, SA15 3YW
• Sold Nov 2024£70,500 | 4 Bed House78, James Street, Llanelli, SA15 1EA78, James Street, Llanelli, SA15 1EA
• Sold Apr 2024£126,500 | 4 Bed House68, Andrew Street, Llanelli, SA15 3YP68, Andrew Street, Llanelli, SA15 3YP
• Sold Mar 2024£120,000 | 3 Bed House53, Andrew Street, Llanelli, SA15 3YW53, Andrew Street, Llanelli, SA15 3YW
• Sold Feb 2024£130,000 | 3 Bed House24, James Street, Llanelli, SA15 1DU24, James Street, Llanelli, SA15 1DU
• Sold Dec 2023£110,000 | 3 Bed House97, James Street, Llanelli, SA15 1DY97, James Street, Llanelli, SA15 1DY
• Sold Sep 2023£90,000 | 3 Bed House56, Andrew Street, Llanelli, SA15 3YP56, Andrew Street, Llanelli, SA15 3YP
• Sold Aug 2023£105,000 | 3 Bed House112, Swansea Road, Llanelli, SA15 3BJ112, Swansea Road, Llanelli, SA15 3BJ
• Sold Aug 2023£128,000 | 4 Bed House7, Clifton Terrace, Llanelli, SA15 1HA7, Clifton Terrace, Llanelli, SA15 1HA
• Sold Jun 2022£135,000 | 3 Bed House26, James Street, Llanelli, SA15 1DU26, James Street, Llanelli, SA15 1DU
• Sold Jun 2021£91,500 | 4 Bed House5, Clifton Terrace, Llanelli, SA15 1HA5, Clifton Terrace, Llanelli, SA15 1HA
• Sold Oct 2019£87,500 | 3 Bed House113, James Street, Llanelli, SA15 1EB113, James Street, Llanelli, SA15 1EB
• Sold May 2017£95,000 | 4 Bed House116, Swansea Road, Llanelli, SA15 3BJ116, Swansea Road, Llanelli, SA15 3BJ
• Sold Sep 2016£96,000 | 4 Bed House64, James Street, Llanelli, SA15 1EA64, James Street, Llanelli, SA15 1EA

Of the 132 addresses on James Street, Llanelli, SA15, 123, James Street, Llanelli comes out as the 26th largest and the 50th most expensive in our analysis of the public data.

It is also £55k less expensive than the average property across the SA15 district.

• Llanelli

  |

  1.5 km away
• Bynea

  |

  3.8 km away
• Llangennech

  |

  5.0 km away

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