121, James Street, Llanelli occupies a 126 m² plot as recorded by HM Land Registry.

Of the 26 other houses in this postcode, 22 have recorded plot sizes, and this one ranks as the 17th largest.

121, James Street, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Feb 2023.

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

Land Registry records and our Estate Agent network show 105 sales of comparable properties within 530 metres of 121, James Street, Llanelli since 2017.

Most recently, 39, Marble Hall Road, Llanelli, SA15 1NN, a freehold house, sold at £132,000 on the 20th February 2026.

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 Aug 2025£125,000 | 4 Bed House123, James Street, Llanelli, SA15 1EB123, James Street, Llanelli, SA15 1EB
• 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 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 Oct 2023£100,000 | 3 Bed House88, Swansea Road, Llanelli, SA15 3BJ88, Swansea Road, Llanelli, SA15 3BJ
• 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 Oct 2019£105,000 | 3 Bed House104, Swansea Road, Llanelli, SA15 3BJ104, Swansea Road, Llanelli, SA15 3BJ
• Sold May 2017£95,000 | 4 Bed House116, Swansea Road, Llanelli, SA15 3BJ116, Swansea Road, Llanelli, SA15 3BJ

Our analysis of the public data ranks 121, James Street, Llanelli as the 29th largest and the 57th most expensive of the 132 addresses on James Street, Llanelli, SA15.

Against the SA15 postcode district average, it is £56k less expensive than the typical property.

• Llanelli

  |

  1.5 km away
• Bynea

  |

  3.8 km away
• Llangennech

  |

  5.0 km away

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