42, Catherine Street, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Dec 2023.

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

42, Catherine Street, Llanelli last changed hands on 1st October 2025, selling for £132,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 33.3% since October 2025.

Land Registry records and our Estate Agent network show 175 sales of comparable properties within 670 metres of 42, Catherine Street, Llanelli since 2016.

Most recently, 22, George Street, Llanelli, SA15 2NB, a freehold house, sold at £119,000 on the 16th January 2026.

Read more about house prices in SA15.

• Sold Jan 2026£119,000 | 3 Bed House22, George Street, Llanelli, SA15 2NB22, George Street, Llanelli, SA15 2NB
• Sold Dec 2025£118,000 | 3 Bed House3, Caroline Street, Llanelli, SA15 2PB3, Caroline Street, Llanelli, SA15 2PB
• Sold Sep 2025£137,500 | 3 Bed House50, Catherine Street, Llanelli, SA15 2NY50, Catherine Street, Llanelli, SA15 2NY
• Sold Jun 2025£120,000 | 3 Bed House4, Nathan Street, Llanelli, SA15 2PG4, Nathan Street, Llanelli, SA15 2PG
• Sold May 2025£132,000 | 3 Bed House5, George Street, Llanelli, SA15 2NB5, George Street, Llanelli, SA15 2NB
• Sold Mar 2025£112,000 | 3 Bed House25, Nathan Street, Llanelli, SA15 2PG25, Nathan Street, Llanelli, SA15 2PG
• Sold Dec 2024£82,000 | 3 Bed House23, Glanmor Road, Llanelli, SA15 2LU23, Glanmor Road, Llanelli, SA15 2LU
• Sold Jul 2024£108,000 | 3 Bed House17, Glanmor Road, Llanelli, SA15 2LU17, Glanmor Road, Llanelli, SA15 2LU
• Sold Feb 2024£109,000 | 3 Bed House33, Catherine Street, Llanelli, SA15 2NY33, Catherine Street, Llanelli, SA15 2NY
• Sold Dec 2023£35,000 | 3 Bed House9, Bryn Terrace, Llanelli, SA15 2PD9, Bryn Terrace, Llanelli, SA15 2PD
• Sold Dec 2023£100,000 | 3 Bed House26, George Street, Llanelli, SA15 2NB26, George Street, Llanelli, SA15 2NB
• Sold Nov 2023£86,950 | 3 Bed House39, Caroline Street, Llanelli, SA15 2PB39, Caroline Street, Llanelli, SA15 2PB
• Sold May 2023£92,000 | 3 Bed House23, Catherine Street, Llanelli, SA15 2NY23, Catherine Street, Llanelli, SA15 2NY
• Sold Oct 2022£108,500 | 3 Bed House4, Caroline Street, Llanelli, SA15 2PB4, Caroline Street, Llanelli, SA15 2PB
• Sold Sep 2022£90,000 | 3 Bed House5, Caroline Street, Llanelli, SA15 2PB5, Caroline Street, Llanelli, SA15 2PB
• Sold Mar 2022£98,000 | 3 Bed House36, Caroline Street, Llanelli, SA15 2PB36, Caroline Street, Llanelli, SA15 2PB
• Sold Dec 2021£85,000 | 3 Bed House3, Catherine Street, Llanelli, SA15 2NY3, Catherine Street, Llanelli, SA15 2NY
• Sold Nov 2018£72,500 | 3 Bed House47, Caroline Street, Llanelli, SA15 2PB47, Caroline Street, Llanelli, SA15 2PB
• Sold Jul 2017£76,500 | 3 Bed House44, Catherine Street, Llanelli, SA15 2NY44, Catherine Street, Llanelli, SA15 2NY
• Sold Jul 2016£76,000 | 3 Bed House46, Catherine Street, Llanelli, SA15 2NY46, Catherine Street, Llanelli, SA15 2NY

Our analysis of the public data ranks 42, Catherine Street, Llanelli as the 24th largest and the 18th most expensive of the 44 addresses on Catherine Street, Llanelli, SA15.

Against the SA15 postcode district average, it is £70k less expensive than the typical property.

• Llanelli

  |

  400 m away
• Bynea

  |

  4.7 km away
• Pembrey & Burry Port

  |

  5.8 km away

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