HM Land Registry records the plot of land for 37, Caswell Street, Llanelli as measuring 216 m².

That makes it the 6th largest plot in the postcode, where 10 of the 12 other houses have recorded plot data.

37, Caswell Street, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Jul 2025.

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

Since 2016 73 properties similar to 37, Caswell Street, Llanelli have sold within a radius of 530 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 27th May 2026, was 5, Emma Street, Llanelli, SA15 1BA, a freehold house which sold for £102,000.

Read more about house prices in SA15.

• Sold May 2026£102,000 | 3 Bed House5, Emma Street, Llanelli, SA15 1BA5, Emma Street, Llanelli, SA15 1BA
• Sold Mar 2026£109,995 | 3 Bed House25, Dolau Fawr, Llanelli, SA15 2HW25, Dolau Fawr, Llanelli, SA15 2HW
• Sold Nov 2025£105,000 | 3 Bed House69, Llewellyn Street, Llanelli, SA15 1BD69, Llewellyn Street, Llanelli, SA15 1BD
• Sold Jul 2025£77,000 | 3 Bed House71, Llewellyn Street, Llanelli, SA15 1BD71, Llewellyn Street, Llanelli, SA15 1BD
• Sold Jul 2025£85,000 | 3 Bed House24, Emma Street, Llanelli, SA15 1BA24, Emma Street, Llanelli, SA15 1BA
• Sold May 2025£71,000 | 3 Bed House31, Craddock Street, Llanelli, SA15 1BE31, Craddock Street, Llanelli, SA15 1BE
• Sold Mar 2025£97,000 | 3 Bed House37, Dolau Fawr, Llanelli, SA15 2HW37, Dolau Fawr, Llanelli, SA15 2HW
• Sold Feb 2025£80,000 | 3 Bed House21, Mansel Street, Llanelli, SA15 1DA21, Mansel Street, Llanelli, SA15 1DA
• Sold Sep 2024£75,000 | 3 Bed House13, Craddock Street, Llanelli, SA15 1BE13, Craddock Street, Llanelli, SA15 1BE
• Sold Aug 2024£83,500 | 3 Bed House13A, Christopher Street, Llanelli, SA15 1DF13A, Christopher Street, Llanelli, SA15 1DF
• Sold Apr 2024£70,000 | 3 Bed House35, Bond Avenue, Llanelli, SA15 1RL35, Bond Avenue, Llanelli, SA15 1RL
• Sold Dec 2023£74,000 | 3 Bed House24, Dolau Fawr, Llanelli, SA15 2HW24, Dolau Fawr, Llanelli, SA15 2HW
• Sold May 2023£120,000 | 3 Bed House33, Craddock Street, Llanelli, SA15 1BE33, Craddock Street, Llanelli, SA15 1BE
• Sold Apr 2023£94,000 | 3 Bed House19, Dolau Fawr, Llanelli, SA15 2HW19, Dolau Fawr, Llanelli, SA15 2HW
• Sold Nov 2022£106,000 | 3 Bed House22, Bond Avenue, Llanelli, SA15 1RL22, Bond Avenue, Llanelli, SA15 1RL
• Sold Apr 2022£95,000 | 3 Bed House95, Dillwyn Street, Llanelli, SA15 1BT95, Dillwyn Street, Llanelli, SA15 1BT
• Sold May 2021£81,000 | 3 Bed House23, Dolau Fawr, Llanelli, SA15 2HW23, Dolau Fawr, Llanelli, SA15 2HW
• Sold Mar 2021£74,000 | 3 Bed House37, Mansel Street, Llanelli, SA15 1DA37, Mansel Street, Llanelli, SA15 1DA
• Sold Nov 2020£65,000 | 3 Bed House27, Mansel Street, Llanelli, SA15 1DA27, Mansel Street, Llanelli, SA15 1DA
• Sold Jan 2016£60,000 | 3 Bed House2, Martin Road, Llanelli, SA15 1PT2, Martin Road, Llanelli, SA15 1PT

Of the 53 addresses on Caswell Street, Llanelli, SA15, 37, Caswell Street, Llanelli comes out as the 49th largest and the 50th most expensive in our analysis of the public data.

It is also £90k less expensive than the average property across the SA15 district.

• Llanelli

  |

  700 m away
• Bynea

  |

  3.6 km away
• Llangennech

  |

  5.3 km away

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