21, Catherine Street, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 Apr 2018.

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

According to HM Land Registry, 21, Catherine Street, Llanelli was last sold on 8th November 2010 for £63,500 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since November 2010, the market for similar properties has risen by 113.0%.

• Sold Nov 2010£63,500
• Sold Apr 2004£55,000

According to the Land Registry and our network of Estate Agents, there have been 90 sales of properties similar to 21, Catherine Street, Llanelli within a radius of 660 metres since 2017.

The most recent example is 30, Glanmor Terrace, Llanelli, SA15 2RD, a freehold house which sold for £119,000 on the 6th March 2026.

Read more about house prices in SA15.

• Sold Mar 2026£119,000 | 3 Bed House30, Glanmor Terrace, Llanelli, SA15 2RD30, Glanmor Terrace, Llanelli, SA15 2RD
• Sold Dec 2025£118,000 | 3 Bed House3, Caroline Street, Llanelli, SA15 2PB3, Caroline Street, Llanelli, SA15 2PB
• Sold Nov 2025£113,000 | 3 Bed House7, Bryn Terrace, Llanelli, SA15 2PD7, Bryn Terrace, Llanelli, SA15 2PD
• Sold Oct 2025£132,000 | 3 Bed House42, Catherine Street, Llanelli, SA15 2NY42, Catherine Street, Llanelli, SA15 2NY
• Sold Sep 2025£105,000 | 3 Bed House24, Glanmor Road, Llanelli, SA15 2LU24, Glanmor Road, Llanelli, SA15 2LU
• Sold Mar 2025£112,000 | 3 Bed House25, Nathan Street, Llanelli, SA15 2PG25, Nathan Street, Llanelli, SA15 2PG
• Sold Jul 2024£108,000 | 3 Bed House17, Glanmor Road, Llanelli, SA15 2LU17, Glanmor Road, Llanelli, SA15 2LU
• Sold Feb 2024£83,000 | 3 Bed House6, Catherine Street, Llanelli, SA15 2PA6, Catherine Street, Llanelli, SA15 2PA
• 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 Jul 2023£90,000 | 3 Bed House8, Catherine Street, Llanelli, SA15 2PA8, Catherine Street, Llanelli, SA15 2PA
• Sold May 2023£92,000 | 3 Bed House23, Catherine Street, Llanelli, SA15 2NY23, Catherine Street, Llanelli, SA15 2NY
• Sold Sep 2022£90,000 | 3 Bed House5, Caroline Street, Llanelli, SA15 2PB5, Caroline Street, Llanelli, SA15 2PB
• Sold Mar 2022£84,000 | 3 Bed House32, Caroline Street, Llanelli, SA15 2PB32, Caroline Street, Llanelli, SA15 2PB
• Sold Dec 2021£85,000 | 3 Bed House3, Catherine Street, Llanelli, SA15 2NY3, Catherine Street, Llanelli, SA15 2NY
• Sold Jul 2019£73,500 | 3 Bed House17, Catherine Street, Llanelli, SA15 2NY17, Catherine Street, Llanelli, SA15 2NY
• Sold Feb 2019£72,500 | 3 Bed House7, Catherine Street, Llanelli, SA15 2NY7, Catherine Street, Llanelli, SA15 2NY
• Sold Nov 2017£61,600 | 3 Bed House5, Catherine Street, Llanelli, SA15 2NY5, Catherine Street, Llanelli, SA15 2NY
• Sold Jul 2017£76,500 | 3 Bed House44, Catherine Street, Llanelli, SA15 2NY44, Catherine Street, Llanelli, SA15 2NY

Catherine Street, Llanelli, SA15 has a total of 44 addresses. According to our analysis of all the public data, 21, Catherine Street, Llanelli is the 41st largest and the 36th most expensive property on the street.

When compared to the postcode district it is £76k less expensive than the average property in SA15.

• Llanelli

  |

  400 m away
• Bynea

  |

  4.7 km away
• Pembrey & Burry Port

  |

  5.8 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.