18, Catherine Street, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Oct 2015.

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

Since 2017 187 properties similar to 18, Catherine Street, Llanelli have sold within a radius of 660 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 9th January 2026, was 2, Nathan Street, Llanelli, SA15 2PG, a freehold house which sold for £70,000.

Read more about house prices in SA15.

• Sold Jan 2026£70,000 | 3 Bed House2, Nathan Street, Llanelli, SA15 2PG2, Nathan Street, Llanelli, SA15 2PG
• Sold Dec 2025£135,000 | 3 Bed House1, Glanmor Road, Llanelli, SA15 2LU1, Glanmor Road, Llanelli, SA15 2LU
• Sold Sep 2025£118,000 | 3 Bed House40, Catherine Street, Llanelli, SA15 2NY40, Catherine Street, Llanelli, SA15 2NY
• Sold Sep 2025£146,000 | 4 Bed House22, Bryn Road, Llanelli, SA15 2LN22, Bryn Road, Llanelli, SA15 2LN
• Sold Mar 2025£119,995 | 3 Bed House32, Nelson Terrace, Llanelli, SA15 2LR32, Nelson Terrace, Llanelli, SA15 2LR
• Sold Mar 2025£70,000 | 3 Bed House20, Glanmor Road, Llanelli, SA15 2LU20, Glanmor Road, Llanelli, SA15 2LU
• Sold Feb 2025£66,500 | 4 Bed House11, Bryn Road, Llanelli, SA15 2LN11, Bryn Road, Llanelli, SA15 2LN
• Sold Oct 2023£150,000 | 3 Bed House31C, Copperworks Road, Llanelli, SA15 2EW31C, Copperworks Road, Llanelli, SA15 2EW
• Sold Aug 2023£107,000 | 3 Bed House37, Caroline Street, Llanelli, SA15 2PB37, Caroline Street, Llanelli, SA15 2PB
• Sold May 2023£120,000 | 3 Bed House10, Caroline Street, Llanelli, SA15 2PB10, Caroline Street, Llanelli, SA15 2PB
• Sold Feb 2023£120,000 | 3 Bed House18, Glanmor Road, Llanelli, SA15 2LU18, Glanmor Road, Llanelli, SA15 2LU
• Sold Oct 2022£110,500 | 3 Bed House7, Nelson Terrace, Llanelli, SA15 2LR7, Nelson Terrace, Llanelli, SA15 2LR
• Sold Jun 2022£79,000 | 3 Bed House16, Caroline Street, Llanelli, SA15 2PB16, Caroline Street, Llanelli, SA15 2PB
• Sold Mar 2022£117,000 | 3 Bed House21, Caroline Street, Llanelli, SA15 2PB21, Caroline Street, Llanelli, SA15 2PB
• Sold Feb 2022£132,500 | 3 Bed House17, Nathan Street, Llanelli, SA15 2PG17, Nathan Street, Llanelli, SA15 2PG
• Sold Mar 2021£119,000 | 3 Bed House25, Bryn Road, Llanelli, SA15 2LN25, Bryn Road, Llanelli, SA15 2LN
• Sold Dec 2019£95,000 | 3 Bed House77, Llysnewydd, Llanelli, SA15 2PS77, Llysnewydd, Llanelli, SA15 2PS
• Sold Oct 2018£98,000 | 3 Bed House2, Catherine Street, Llanelli, SA15 2PA2, Catherine Street, Llanelli, SA15 2PA
• Sold Jun 2018£80,000 | 3 Bed House45, Caroline Street, Llanelli, SA15 2PB45, Caroline Street, Llanelli, SA15 2PB
• Sold Jul 2017£85,000 | 4 Bed House12, Caroline Street, Llanelli, SA15 2PB12, Caroline Street, Llanelli, SA15 2PB

Of the 44 addresses on Catherine Street, Llanelli, SA15, 18, Catherine Street, Llanelli comes out as the 4th largest and the 3rd most expensive in our analysis of the public data.

It is also £51k less expensive than the average property across the SA15 district.

• Llanelli

  |

  400 m away
• Bynea

  |

  4.7 km away
• Pembrey & Burry Port

  |

  5.8 km away

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