HM Land Registry records the plot of land for 18, Brettenham Street, Llanelli as measuring 306 m².

That makes it the 9th largest plot in the postcode, where all 30 other houses have recorded plot data.

18, Brettenham Street, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 08 Jun 2021.

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 18, Brettenham Street, Llanelli completed on 22nd October 2021 at £130,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 2.4% over the period since October 2021.

• Sold Oct 2021£130,000

Since 2009 135 properties similar to 18, Brettenham Street, Llanelli have sold within a radius of 660 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 12th December 2025, was 70, Stryd Bennett, Llanelli, SA15 4DE, a freehold house which sold for £154,000.

Read more about house prices in SA15.

• Sold Dec 2025£154,000 | 3 Bed House70, Stryd Bennett, Llanelli, SA15 4DE70, Stryd Bennett, Llanelli, SA15 4DE
• Sold Apr 2024£162,000 | 3 Bed House30, Chapman Street, Llanelli, SA15 3EB30, Chapman Street, Llanelli, SA15 3EB
• Sold Oct 2023£230,000 | 3 Bed House28, Hillside, Llanelli, SA15 4ES28, Hillside, Llanelli, SA15 4ES
• Sold Oct 2023£187,000 | 4 Bed House26, Hillside, Llanelli, SA15 4ES26, Hillside, Llanelli, SA15 4ES
• Sold Aug 2023£236,000 | 4 Bed House8, Brettenham Street, Llanelli, SA15 3ED8, Brettenham Street, Llanelli, SA15 3ED
• Sold Jul 2023£185,000 | 3 Bed House31, Chapman Street, Llanelli, SA15 3EB31, Chapman Street, Llanelli, SA15 3EB
• Sold Jan 2023£149,995 | 4 Bed House3, Brettenham Street, Llanelli, SA15 3ED3, Brettenham Street, Llanelli, SA15 3ED
• Sold Oct 2022£220,000 | 3 Bed House5, Stradey Park Avenue, Llanelli, SA15 3EG5, Stradey Park Avenue, Llanelli, SA15 3EG
• Sold Jan 2022£137,000 | 4 Bed House5, Pryce Street, Llanelli, SA15 3DY5, Pryce Street, Llanelli, SA15 3DY
• Sold Jan 2022£164,000 | 3 Bed House6, New Zealand Street, Llanelli, SA15 3EN6, New Zealand Street, Llanelli, SA15 3EN
• Sold Apr 2021£160,000 | 4 Bed House33, Hillside, Llanelli, SA15 4ES33, Hillside, Llanelli, SA15 4ES
• Sold Oct 2020£118,000 | 3 Bed House2, Pryce Street, Llanelli, SA15 3DY2, Pryce Street, Llanelli, SA15 3DY
• Sold Sep 2020£190,000 | 3 Bed House27, Chapman Street, Llanelli, SA15 3EB27, Chapman Street, Llanelli, SA15 3EB
• Sold Dec 2019£197,500 | 4 Bed House25, Miles Street, Llanelli, SA15 3DU25, Miles Street, Llanelli, SA15 3DU
• Sold Jun 2019£122,000 | 3 Bed House21, Brettenham Street, Llanelli, SA15 3ED21, Brettenham Street, Llanelli, SA15 3ED
• Sold May 2018£116,000 | 3 Bed House1, Pryce Street, Llanelli, SA15 3DY1, Pryce Street, Llanelli, SA15 3DY
• Sold Dec 2017£89,499 | 3 Bed House42, Chapman Street, Llanelli, SA15 3EB42, Chapman Street, Llanelli, SA15 3EB
• Sold Dec 2014£120,000 | 4 Bed House13, Stradey Park Avenue, Llanelli, SA15 3EG13, Stradey Park Avenue, Llanelli, SA15 3EG
• Sold May 2012£107,000 | 3 Bed House8, Pryce Street, Llanelli, SA15 3DY8, Pryce Street, Llanelli, SA15 3DY
• Sold Jun 2009£81,750 | 3 Bed House28, Chapman Street, Llanelli, SA15 3EB28, Chapman Street, Llanelli, SA15 3EB

Of the 30 addresses on Brettenham Street, Llanelli, SA15, 18, Brettenham Street, Llanelli comes out as the 6th largest and the 6th most expensive in our analysis of the public data.

It is also £11k more expensive than the average property across the SA15 district.

• Llanelli

  |

  1.6 km away
• Bynea

  |

  5.2 km away
• Pembrey & Burry Port

  |

  5.4 km away

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