151, Old Castle Road, Llanelli occupies a 162 m² plot as recorded by HM Land Registry.

Of the 29 other houses in this postcode, 22 have recorded plot sizes, and this one ranks as the 4th largest.

151, Old Castle Road, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 31 Dec 2018.

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

Land Registry records and our Estate Agent network show 37 sales of comparable properties within 610 metres of 151, Old Castle Road, Llanelli since 2007.

Most recently, 26, Pentre Doc Y Gogledd, Llanelli, SA15 2JW, a leasehold house, sold at £199,995 on the 22nd August 2025.

Read more about house prices in SA15.

• Sold Aug 2025£199,995 | 3 Bed House26, Pentre Doc Y Gogledd, Llanelli, SA15 2JW26, Pentre Doc Y Gogledd, Llanelli, SA15 2JW
• Sold May 2025£80,000 | 3 Bed House1, Coldstream Street, Llanelli, SA15 3BG1, Coldstream Street, Llanelli, SA15 3BG
• Sold Feb 2025£86,000 | 3 Bed House144, Old Castle Road, Llanelli, SA15 2SW144, Old Castle Road, Llanelli, SA15 2SW
• Sold Dec 2024£80,100 | 3 Bed House126, Old Castle Road, Llanelli, SA15 2SW126, Old Castle Road, Llanelli, SA15 2SW
• Sold Dec 2023£97,500 | 3 Bed House145, Old Castle Road, Llanelli, SA15 2SW145, Old Castle Road, Llanelli, SA15 2SW
• Sold Sep 2023£132,000 | 3 Bed House141, Old Castle Road, Llanelli, SA15 2SW141, Old Castle Road, Llanelli, SA15 2SW
• Sold Jan 2023£90,000 | 3 Bed House35, Albert Street, Llanelli, SA15 2SY35, Albert Street, Llanelli, SA15 2SY
• Sold Dec 2021£130,000 | 3 Bed House132, Old Castle Road, Llanelli, SA15 2SW132, Old Castle Road, Llanelli, SA15 2SW
• Sold Jul 2021£119,000 | 3 Bed House30, Brynmor Road, Llanelli, SA15 2TG30, Brynmor Road, Llanelli, SA15 2TG
• Sold Oct 2020£86,500 | 3 Bed House22, Brynmor Road, Llanelli, SA15 2TG22, Brynmor Road, Llanelli, SA15 2TG
• Sold Sep 2020£110,500 | 3 Bed House5, Coldstream Street, Llanelli, SA15 3BG5, Coldstream Street, Llanelli, SA15 3BG
• Sold Sep 2018£63,000 | 3 Bed House158, Old Castle Road, Llanelli, SA15 2SW158, Old Castle Road, Llanelli, SA15 2SW
• Sold Oct 2016£90,000 | 3 Bed House5, Parkview Terrace, Llanelli, SA15 3HA5, Parkview Terrace, Llanelli, SA15 3HA
• Sold Jun 2015£71,000 | 3 Bed House26, Brynmor Road, Llanelli, SA15 2TG26, Brynmor Road, Llanelli, SA15 2TG
• Sold Mar 2014£64,000 | 3 Bed House156, Old Castle Road, Llanelli, SA15 2SW156, Old Castle Road, Llanelli, SA15 2SW
• Sold Sep 2011£70,000 | 3 Bed House7, Albert Street, Llanelli, SA15 2SY7, Albert Street, Llanelli, SA15 2SY
• Sold Apr 2011£42,000 | 3 Bed House147, Old Castle Road, Llanelli, SA15 2SW147, Old Castle Road, Llanelli, SA15 2SW
• Sold Oct 2009£82,500 | 3 Bed House48, Brynmor Road, Llanelli, SA15 2TG48, Brynmor Road, Llanelli, SA15 2TG
• Sold Feb 2008£88,500 | 3 Bed House140, Old Castle Road, Llanelli, SA15 2SW140, Old Castle Road, Llanelli, SA15 2SW
• Sold Jan 2007£98,250 | 3 Bed House157, Old Castle Road, Llanelli, SA15 2SW157, Old Castle Road, Llanelli, SA15 2SW

Our analysis of the public data ranks 151, Old Castle Road, Llanelli as the 63rd largest and the 18th most expensive of the 99 addresses on Old Castle Road, Llanelli, SA15.

Against the SA15 postcode district average, it is £21k less expensive than the typical property.

• Llanelli

  |

  900 m away
• Bynea

  |

  5.0 km away
• Pembrey & Burry Port

  |

  5.4 km away

Environment Agency data suggests this area has a Very Low risk of flooding.