According to data from HM Land Registry, 15, Union Buildings, Llanelli sits on a plot of 124 m².

We have plot size data on 30 out of 31 other houses in the postcode and 15, Union Buildings, Llanelli sits on the 21st largest plot.

15, Union Buildings, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Sep 2021.

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, 15, Union Buildings, Llanelli was last sold on 31st March 2022 for £80,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since March 2022, the market for similar properties has risen by 49.3%.

• Sold Mar 2022£80,000

According to the Land Registry and our network of Estate Agents, there have been 38 sales of properties similar to 15, Union Buildings, Llanelli within a radius of 610 metres since 2007.

The most recent example is 15, Old Road, Llanelli, SA15 3HR, a freehold house which sold for £122,500 on the 1st May 2026.

Read more about house prices in SA15.

• Sold May 2026£122,500 | 3 Bed House15, Old Road, Llanelli, SA15 3HR15, Old Road, Llanelli, SA15 3HR
• Sold Mar 2025£135,000 | 3 Bed House31, Union Buildings, Llanelli, SA15 3JW31, Union Buildings, Llanelli, SA15 3JW
• Sold Mar 2025£138,000 | 3 Bed House36, Pentrepoeth Road, Llanelli, SA15 4HL36, Pentrepoeth Road, Llanelli, SA15 4HL
• Sold Aug 2024£83,000 | 3 Bed House35, Felinfoel Road, Llanelli, SA15 3JQ35, Felinfoel Road, Llanelli, SA15 3JQ
• Sold May 2024£140,500 | 3 Bed House21, Gilbert Crescent, Llanelli, SA15 3RB21, Gilbert Crescent, Llanelli, SA15 3RB
• Sold Feb 2024£50,000 | 3 Bed House41, Felinfoel Road, Llanelli, SA15 3JQ41, Felinfoel Road, Llanelli, SA15 3JQ
• Sold Dec 2022£145,000 | 3 Bed House23, Union Buildings, Llanelli, SA15 3JW23, Union Buildings, Llanelli, SA15 3JW
• Sold Sep 2022£99,995 | 3 Bed House3, Felinfoel Road, Llanelli, SA15 3JQ3, Felinfoel Road, Llanelli, SA15 3JQ
• Sold Jul 2022£145,000 | 3 Bed House37, Union Buildings, Llanelli, SA15 3JW37, 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 Aug 2021£98,500 | 3 Bed House4, Sunnyhill, Llanelli, SA15 3JN4, Sunnyhill, Llanelli, SA15 3JN
• Sold Feb 2021£56,500 | 3 Bed House55, Felinfoel Road, Llanelli, SA15 3JQ55, Felinfoel Road, Llanelli, SA15 3JQ
• Sold Feb 2021£56,500 | 3 Bed House53, Felinfoel Road, Llanelli, SA15 3JQ53, Felinfoel Road, Llanelli, SA15 3JQ
• Sold Feb 2020£95,000 | 3 Bed House33, Union Buildings, Llanelli, SA15 3JW33, Union Buildings, Llanelli, SA15 3JW
• Sold Jan 2020£112,000 | 3 Bed House10, Union Buildings, Llanelli, SA15 3JW10, Union Buildings, Llanelli, SA15 3JW
• Sold Dec 2018£55,000 | 3 Bed House37, Felinfoel Road, Llanelli, SA15 3JQ37, Felinfoel Road, Llanelli, SA15 3JQ
• Sold Aug 2018£107,000 | 3 Bed House32, Union Buildings, Llanelli, SA15 3JP32, Union Buildings, Llanelli, SA15 3JP
• Sold Oct 2011£94,000 | 3 Bed House38, Union Buildings, Llanelli, SA15 3JP38, Union Buildings, Llanelli, SA15 3JP
• Sold Aug 2007£115,000 | 3 Bed House18, Union Buildings, Llanelli, SA15 3JW18, Union Buildings, Llanelli, SA15 3JW

Union Buildings, Llanelli, SA15 has a total of 40 addresses. According to our analysis of all the public data, 15, Union Buildings, Llanelli is the 25th largest and the 26th most expensive property on the street.

When compared to the postcode district it is £51k less expensive than the average property in SA15.

• 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.