HM Land Registry records the plot of land for 40, Bryn Siriol, Llanelli as measuring 103 m².

That makes it the 25th largest plot in the postcode, where 28 of the 30 other houses have recorded plot data.

40, Bryn Siriol, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Sep 2019.

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

The most recent sale of 40, Bryn Siriol, Llanelli completed on 3rd October 2025 at £112,500 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 11.1% over the period since October 2025.

• Sold Oct 2025£112,500
• Sold Sep 2021£85,000

Since 2007 46 properties similar to 40, Bryn Siriol, Llanelli have sold within a radius of 690 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 26th February 2026, was 27, Panteg, Llanelli, SA15 3TE, a freehold house which sold for £115,000.

Read more about house prices in SA14.

• Sold Feb 2026£115,000 | 3 Bed House27, Panteg, Llanelli, SA15 3TE27, Panteg, Llanelli, SA15 3TE
• Sold Nov 2025£117,000 | 3 Bed House26, Heol Daniel, Llanelli, SA14 8AW26, Heol Daniel, Llanelli, SA14 8AW
• Sold Jul 2025£120,000 | 3 Bed House59, Glasfryn, Llanelli, SA14 8PG59, Glasfryn, Llanelli, SA14 8PG
• Sold May 2025£64,300 | 3 Bed House21, Panteg, Llanelli, SA15 3TE21, Panteg, Llanelli, SA15 3TE
• Sold Aug 2024£105,000 | 3 Bed House1, Tros Maen, Llanelli, SA14 8AA1, Tros Maen, Llanelli, SA14 8AA
• Sold Oct 2023£100,000 | 3 Bed House54, Maes Yr Haf, Llanelli, SA15 3NE54, Maes Yr Haf, Llanelli, SA15 3NE
• Sold Sep 2022£121,250 | 3 Bed House8, Heol Westfa, Llanelli, SA14 8AU8, Heol Westfa, Llanelli, SA14 8AU
• Sold Jul 2022£120,000 | 3 Bed House4, Corporation Avenue, Llanelli, SA15 3NA4, Corporation Avenue, Llanelli, SA15 3NA
• Sold Feb 2022£115,000 | 3 Bed House36, Bryn Siriol, Llanelli, SA14 8AB36, Bryn Siriol, Llanelli, SA14 8AB
• Sold Jan 2022£121,000 | 3 Bed House2, Tros Maen, Llanelli, SA14 8AA2, Tros Maen, Llanelli, SA14 8AA
• Sold Dec 2021£103,000 | 3 Bed House3, Maestir, Llanelli, SA15 3NS3, Maestir, Llanelli, SA15 3NS
• Sold Nov 2020£78,000 | 3 Bed House42, Glasfryn, Llanelli, SA14 8PG42, Glasfryn, Llanelli, SA14 8PG
• Sold Oct 2020£105,000 | 3 Bed House11, Bryn Siriol, Llanelli, SA14 8AB11, Bryn Siriol, Llanelli, SA14 8AB
• Sold Feb 2019£100,000 | 3 Bed House8, Bryn Siriol, Llanelli, SA14 8AB8, Bryn Siriol, Llanelli, SA14 8AB
• Sold Dec 2018£65,000 | 3 Bed House7, Dan Y Cwm, Llanelli, SA14 8AP7, Dan Y Cwm, Llanelli, SA14 8AP
• Sold Jun 2018£44,000 | 3 Bed House50, Maes Werdd, Llanelli, SA15 3TA50, Maes Werdd, Llanelli, SA15 3TA
• Sold May 2017£70,000 | 3 Bed House32, Bryngwyn Bach, Llanelli, SA14 8SH32, Bryngwyn Bach, Llanelli, SA14 8SH
• Sold Nov 2016£89,000 | 3 Bed House52, Maes Yr Haf, Llanelli, SA15 3NE52, Maes Yr Haf, Llanelli, SA15 3NE
• Sold Aug 2014£54,995 | 3 Bed House32, Glasfryn, Llanelli, SA14 8PG32, Glasfryn, Llanelli, SA14 8PG
• Sold Apr 2007£92,000 | 3 Bed House39, Glasfryn, Llanelli, SA14 8PG39, Glasfryn, Llanelli, SA14 8PG

Of the 76 addresses on Bryn Siriol, Llanelli, SA14, 40, Bryn Siriol, Llanelli comes out as the 26th largest and the 37th most expensive in our analysis of the public data.

It is also £75k less expensive than the average property across the SA14 district.

• Llanelli

  |

  2.4 km away
• Bynea

  |

  3.9 km away
• Llangennech

  |

  4.5 km away

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