According to data from HM Land Registry, 26, Union Buildings, Llanelli sits on a plot of 141 m².

We have plot size data on 9 out of 9 other houses in the postcode and 26, Union Buildings, Llanelli sits on the 4th largest plot.

26, Union Buildings, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 15 Oct 2020.

The property is connected to mains gas and has some double glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 26, Union Buildings, Llanelli was last sold on 2nd May 2025 for £138,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since May 2025, the market for similar properties has risen by 17.7%.

• Sold May 2025£138,000
• Sold Aug 2009£82,250

According to the Land Registry and our network of Estate Agents, there have been 782 property sales within 610 metres of 26, Union Buildings, Llanelli since 2007.

The most recent example is 28, Union Buildings, Llanelli, SA15 3JP, a freehold house which sold for £135,000 on the 12th November 2025.

Read more about house prices in SA15.

• Sold Nov 2025£135,000 | 2 Bed House28, Union Buildings, Llanelli, SA15 3JP28, Union Buildings, Llanelli, SA15 3JP
• Sold Mar 2025£135,000 | 3 Bed House31, Union Buildings, Llanelli, SA15 3JW31, Union Buildings, Llanelli, SA15 3JW
• Sold Nov 2024£150,000 | 3 Bed House71, Felinfoel Road, Llanelli, SA15 3JQ71, Felinfoel Road, Llanelli, SA15 3JQ
• Sold May 2024£115,000 | 2 Bed House9, Union Buildings, Llanelli, SA15 3JW9, Union Buildings, Llanelli, SA15 3JW
• Sold Dec 2022£145,000 | 3 Bed House23, Union Buildings, Llanelli, SA15 3JW23, Union Buildings, Llanelli, SA15 3JW
• Sold Jul 2022£145,000 | 3 Bed House37, Union Buildings, Llanelli, SA15 3JW37, Union Buildings, Llanelli, SA15 3JW
• Sold Mar 2022£80,000 | 3 Bed House15, Union Buildings, Llanelli, SA15 3JW15, Union Buildings, Llanelli, SA15 3JW
• Sold Jan 2022£92,500 | 3 Bed House12, Union Buildings, Llanelli, SA15 3JW12, Union Buildings, Llanelli, SA15 3JW
• Sold Aug 2021£108,000 | 3 Bed House11, Union Buildings, Llanelli, SA15 3JW11, Union Buildings, Llanelli, SA15 3JW
• Sold Jun 2021£130,000 | 3 Bed House79, Felinfoel Road, Llanelli, SA15 3JQ79, Felinfoel Road, Llanelli, SA15 3JQ
• Sold Feb 2020£95,000 | 3 Bed House33, Union Buildings, Llanelli, SA15 3JW33, Union Buildings, Llanelli, SA15 3JW
• Sold Aug 2018£107,000 | 3 Bed House32, Union Buildings, Llanelli, SA15 3JP32, Union Buildings, Llanelli, SA15 3JP
• Sold Sep 2016£74,000 | 2 Bed Flat48, Sunnyhill, Llanelli, SA15 3JN48, Sunnyhill, Llanelli, SA15 3JN
• Sold Jan 2013£67,000 | 2 Bed House14, Union Buildings, Llanelli, SA15 3JW14, Union Buildings, Llanelli, SA15 3JW
• Sold Oct 2011£94,000 | 3 Bed House38, Union Buildings, Llanelli, SA15 3JP38, Union Buildings, Llanelli, SA15 3JP
• Sold Mar 2010£105,000 | 3 Bed House81, Felinfoel Road, Llanelli, SA15 3JQ81, Felinfoel Road, Llanelli, SA15 3JQ
• Sold Jul 2009£110,000 | 3 Bed House73, Felinfoel Road, Llanelli, SA15 3JQ73, Felinfoel Road, Llanelli, SA15 3JQ
• Sold Nov 2007£79,000 | 4 Bed House25, Union Buildings, Llanelli, SA15 3JW25, Union Buildings, Llanelli, SA15 3JW
• Sold Aug 2007£115,000 | 3 Bed House18, Union Buildings, Llanelli, SA15 3JW18, Union Buildings, Llanelli, SA15 3JW
• Sold May 2007£119,995 | 3 Bed House7, Union Buildings, Llanelli, SA15 3JW7, Union Buildings, Llanelli, SA15 3JW

• Llanelli

  |

  1.6 km away
• Bynea

  |

  4.6 km away
• Llangennech

  |

  5.6 km away

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