HM Land Registry records the plot of land for 18, Heol Siloh, Llanelli as measuring 145 m².

That makes it the 8th largest plot in the postcode, where all 17 other houses have recorded plot data.

18, Heol Siloh, Llanelli has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 14 May 2015.

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

The most recent sale of 18, Heol Siloh, Llanelli completed on 13th October 2016 at £78,250 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 116.5% over the period since October 2016.

• Sold Oct 2016£78,250
• Sold Dec 2000£37,000

Since 2020 264 properties similar to 18, Heol Siloh, Llanelli have sold within a radius of 450 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 23rd January 2026, was 36, Princess Street, Llanelli, SA15 2TD, a freehold house which sold for £127,000.

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 Sep 2025£126,750 | 3 Bed House9, Lakefield Road, Llanelli, SA15 2UE9, Lakefield Road, Llanelli, SA15 2UE
• 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 Apr 2025£123,000 | 3 Bed House11, Ralph Terrace, Llanelli, SA15 2UB11, Ralph Terrace, Llanelli, SA15 2UB
• Sold Mar 2025£140,000 | 3 Bed House81, Brynmor Road, Llanelli, SA15 2TF81, Brynmor Road, Llanelli, SA15 2TF
• Sold Aug 2024£145,000 | 3 Bed House26, Downing Street, Llanelli, SA15 2UA26, Downing Street, Llanelli, SA15 2UA
• Sold Jul 2024£109,000 | 3 Bed House3, Amos Street, Llanelli, SA15 2TU3, Amos Street, Llanelli, SA15 2TU
• Sold Jul 2024£116,250 | 3 Bed House10, Glanmor Terrace, Llanelli, SA15 2RD10, Glanmor Terrace, Llanelli, SA15 2RD
• Sold May 2024£119,500 | 3 Bed House1, Downing Street, Llanelli, SA15 2UA1, Downing Street, Llanelli, SA15 2UA
• Sold Apr 2024£124,950 | 3 Bed House10, Pemberton Street, Llanelli, SA15 2RB10, Pemberton Street, Llanelli, SA15 2RB
• Sold Dec 2023£109,995 | 3 Bed House29, Lakefield Road, Llanelli, SA15 2UE29, Lakefield Road, Llanelli, SA15 2UE
• Sold Aug 2023£110,000 | 3 Bed House12, Pemberton Street, Llanelli, SA15 2RB12, Pemberton Street, Llanelli, SA15 2RB
• Sold Aug 2023£107,500 | 3 Bed House34, Pemberton Street, Llanelli, SA15 2RB34, Pemberton Street, Llanelli, SA15 2RB
• Sold Jun 2023£115,000 | 3 Bed House17, Ralph Terrace, Llanelli, SA15 2UB17, Ralph Terrace, Llanelli, SA15 2UB
• Sold Jun 2023£153,500 | 3 Bed House9, Downing Street, Llanelli, SA15 2UA9, Downing Street, Llanelli, SA15 2UA
• Sold Apr 2023£125,000 | 3 Bed House23, Downing Street, Llanelli, SA15 2UA23, Downing Street, Llanelli, SA15 2UA
• Sold Jun 2022£123,000 | 3 Bed House12, Lakefield Road, Llanelli, SA15 2UE12, Lakefield Road, Llanelli, SA15 2UE
• Sold Sep 2021£87,000 | 3 Bed House39, Pemberton Street, Llanelli, SA15 2RB39, Pemberton Street, Llanelli, SA15 2RB
• Sold Sep 2020£84,500 | 3 Bed House10, Lakefield Road, Llanelli, SA15 2UE10, Lakefield Road, Llanelli, SA15 2UE

Of the 17 addresses on Heol Siloh, Llanelli, SA15, 18, Heol Siloh, Llanelli comes out as the 5th largest and the 5th most expensive in our analysis of the public data.

It is also £61k less expensive than the average property across the SA15 district.

• Llanelli

  |

  500 m away
• Bynea

  |

  4.5 km away
• Pembrey & Burry Port

  |

  5.9 km away

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