According to data from HM Land Registry, 3, Old Castle Road, Llanelli sits on a plot of 173 m².

We have plot size data on 17 out of 23 other houses in the postcode and 3, Old Castle Road, Llanelli sits on the 2nd largest plot.

3, Old Castle Road, Llanelli has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 16 Jul 2015.

The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 3, Old Castle Road, Llanelli was last sold on 27th January 2017 for £65,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since January 2017, the market for similar properties has risen by 122.5%.

• Sold Jan 2017£65,000
• Sold Sep 1996£33,000

According to the Land Registry and our network of Estate Agents, there have been 104 sales of properties similar to 3, Old Castle Road, Llanelli within a radius of 510 metres since 2021.

The most recent example is 4, Erw Road, Llanelli, SA15 2TE, a freehold house which sold for £130,000 on the 13th April 2026.

Read more about house prices in SA15.

• Sold Apr 2026£130,000 | 4 Bed House4, Erw Road, Llanelli, SA15 2TE4, Erw Road, Llanelli, SA15 2TE
• Sold Dec 2025£110,000 | 4 Bed House59, Princess Street, Llanelli, SA15 2TB59, Princess Street, Llanelli, SA15 2TB
• Sold Jul 2025£125,000 | 4 Bed House21, Princess Street, Llanelli, SA15 2TB21, Princess Street, Llanelli, SA15 2TB
• Sold Jun 2025£155,000 | 4 Bed House119, Old Castle Road, Llanelli, SA15 2SN119, Old Castle Road, Llanelli, SA15 2SN
• Sold May 2025£157,000 | 4 Bed House25, Albert Street, Llanelli, SA15 2SY25, Albert Street, Llanelli, SA15 2SY
• Sold Apr 2025£140,000 | 4 Bed House14, Upper Robinson Street, Llanelli, SA15 1TR14, Upper Robinson Street, Llanelli, SA15 1TR
• Sold Nov 2024£112,000 | 4 Bed House20, Queen Victoria Road, Llanelli, SA15 2TL20, Queen Victoria Road, Llanelli, SA15 2TL
• Sold Sep 2024£125,000 | 4 Bed House13, Lloyd Street, Llanelli, SA15 2PU13, Lloyd Street, Llanelli, SA15 2PU
• Sold May 2024£145,000 | 4 Bed House66, Albert Street, Llanelli, SA15 2SU66, Albert Street, Llanelli, SA15 2SU
• Sold May 2024£110,000 | 4 Bed House22, Downing Street, Llanelli, SA15 2UA22, Downing Street, Llanelli, SA15 2UA
• Sold Apr 2024£125,000 | 4 Bed House4, Coldstream Street, Llanelli, SA15 3BH4, Coldstream Street, Llanelli, SA15 3BH
• Sold Feb 2024£125,000 | 4 Bed House16, Brynmor Road, Llanelli, SA15 2TG16, Brynmor Road, Llanelli, SA15 2TG
• Sold Oct 2023£126,500 | 4 Bed House21, Queen Victoria Road, Llanelli, SA15 2TP21, Queen Victoria Road, Llanelli, SA15 2TP
• Sold Sep 2023£126,500 | 4 Bed House2, Amos Street, Llanelli, SA15 2TU2, Amos Street, Llanelli, SA15 2TU
• Sold Jun 2023£135,000 | 4 Bed House17, Lloyd Street, Llanelli, SA15 2PU17, Lloyd Street, Llanelli, SA15 2PU
• Sold Jan 2023£127,000 | 4 Bed House17, Downing Street, Llanelli, SA15 2UA17, Downing Street, Llanelli, SA15 2UA
• Sold Nov 2022£155,000 | 4 Bed House131, Old Castle Road, Llanelli, SA15 2SN131, Old Castle Road, Llanelli, SA15 2SN
• Sold Oct 2022£133,000 | 4 Bed House16, Princess Street, Llanelli, SA15 2TD16, Princess Street, Llanelli, SA15 2TD
• Sold Jan 2022£70,000 | 4 Bed HouseThe Old Parish Hall, Church Street, Llanelli, SA15 3GAThe Old Parish Hall, Church Street, Llanelli, SA15 3GA
• Sold Aug 2021£142,000 | 4 Bed House22, Coldstream Street, Llanelli, SA15 3BH22, Coldstream Street, Llanelli, SA15 3BH

Old Castle Road, Llanelli, SA15 has a total of 99 addresses. According to our analysis of all the public data, 3, Old Castle Road, Llanelli is the largest and the 33rd most expensive property on the street.

When compared to the postcode district it is £37k less expensive than the average property in SA15.

• Llanelli

  |

  800 m away
• Bynea

  |

  4.6 km away
• Pembrey & Burry Port

  |

  5.8 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.