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

Of the 23 other houses in this postcode, 17 have recorded plot sizes, and this one ranks as the 3rd largest.

33, Old Castle Road, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Mar 2021.

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

33, Old Castle Road, Llanelli last changed hands on 15th April 2025, selling for £132,500. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 25.8% since April 2025.

• Sold Apr 2025£132,500
• Sold May 2021£115,250
• Sold Apr 2020£50,000

Land Registry records and our Estate Agent network show 235 sales of comparable properties within 520 metres of 33, Old Castle Road, Llanelli since 2019.

Most recently, 36, Princess Street, Llanelli, SA15 2TD, a freehold house, sold at £127,000 on the 23rd January 2026.

Read more about house prices in SA15.

• Sold Jan 2026£127,000 | 3 Bed House36, Princess Street, Llanelli, SA15 2TD36, Princess Street, Llanelli, SA15 2TD
• Sold Nov 2025£122,000 | 3 Bed House27, Brynmor Road, Llanelli, SA15 2TF27, Brynmor Road, Llanelli, SA15 2TF
• Sold Sep 2025£82,500 | 3 Bed House5, Erw Road, Llanelli, SA15 2TE5, Erw Road, Llanelli, SA15 2TE
• Sold Jul 2025£125,000 | 4 Bed House21, Princess Street, Llanelli, SA15 2TB21, Princess Street, Llanelli, SA15 2TB
• Sold Jul 2025£152,500 | 3 Bed House8, Amos Street, Llanelli, SA15 2TU8, Amos Street, Llanelli, SA15 2TU
• Sold Jun 2025£133,000 | 3 Bed House17, Brynmor Road, Llanelli, SA15 2TF17, Brynmor Road, Llanelli, SA15 2TF
• Sold Dec 2024£135,000 | 4 Bed House13, Princess Street, Llanelli, SA15 2TB13, Princess Street, Llanelli, SA15 2TB
• Sold Oct 2024£120,000 | 3 Bed House31, Princess Street, Llanelli, SA15 2TB31, Princess Street, Llanelli, SA15 2TB
• Sold Jul 2024£116,250 | 3 Bed House10, Glanmor Terrace, Llanelli, SA15 2RD10, Glanmor Terrace, Llanelli, SA15 2RD
• Sold Jul 2024£120,000 | 4 Bed House9, Lloyd Street, Llanelli, SA15 2PU9, Lloyd Street, Llanelli, SA15 2PU
• Sold May 2024£120,000 | 3 Bed House85, Old Castle Road, Llanelli, SA15 2SN85, Old Castle Road, Llanelli, SA15 2SN
• Sold May 2024£119,500 | 3 Bed House1, Downing Street, Llanelli, SA15 2UA1, Downing Street, Llanelli, SA15 2UA
• Sold Dec 2023£120,000 | 3 Bed House49, Brynmor Road, Llanelli, SA15 2TF49, Brynmor Road, Llanelli, SA15 2TF
• Sold Aug 2023£70,000 | 3 Bed House123, Old Castle Road, Llanelli, SA15 2SN123, Old Castle Road, Llanelli, SA15 2SN
• Sold Aug 2023£107,500 | 3 Bed House34, Pemberton Street, Llanelli, SA15 2RB34, Pemberton Street, Llanelli, SA15 2RB
• Sold Jun 2023£153,500 | 3 Bed House9, Downing Street, Llanelli, SA15 2UA9, Downing Street, Llanelli, SA15 2UA
• Sold Feb 2023£96,000 | 4 Bed House7, Lloyd Street, Llanelli, SA15 2PU7, Lloyd Street, Llanelli, SA15 2PU
• Sold Nov 2022£97,000 | 3 Bed House23, Old Castle Road, Llanelli, SA15 2SL23, Old Castle Road, Llanelli, SA15 2SL
• Sold Sep 2022£97,000 | 3 Bed House103, Old Castle Road, Llanelli, SA15 2SN103, Old Castle Road, Llanelli, SA15 2SN
• Sold Apr 2019£80,000 | 3 Bed House4, Princess Street, Llanelli, SA15 2TD4, Princess Street, Llanelli, SA15 2TD

Our analysis of the public data ranks 33, Old Castle Road, Llanelli as the 11th largest and the 44th most expensive of the 99 addresses on Old Castle Road, Llanelli, SA15.

Against the SA15 postcode district average, it is £56k less expensive than the typical property.

• Llanelli

  |

  800 m away
• Bynea

  |

  4.6 km away
• Pembrey & Burry Port

  |

  5.8 km away

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