According to data from HM Land Registry, 20, Heol Siloh, Llanelli sits on a plot of 146 m².

We have plot size data on 17 out of 17 other houses in the postcode and 20, Heol Siloh, Llanelli sits on the 7th largest plot.

20, Heol Siloh, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 May 2022.

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

According to HM Land Registry, 20, Heol Siloh, Llanelli was last sold on 30th March 2000 for £33,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

• Sold Mar 2000£33,000
• Sold Jun 1995£34,000

According to the Land Registry and our network of Estate Agents, there have been 246 sales of properties similar to 20, Heol Siloh, Llanelli within a radius of 450 metres since 2021.

The most recent example is 7, Ralph Street, Llanelli, SA15 1TU, a freehold house which sold for £115,000 on the 30th March 2026.

Read more about house prices in SA15.

• Sold Mar 2026£115,000 | 3 Bed House7, Ralph Street, Llanelli, SA15 1TU7, Ralph Street, Llanelli, SA15 1TU
• Sold Dec 2025£95,000 | 3 Bed House15, Ralph Terrace, Llanelli, SA15 2UB15, Ralph Terrace, Llanelli, SA15 2UB
• Sold Oct 2025£114,500 | 3 Bed House47, Ralph Terrace, Llanelli, SA15 2UB47, Ralph Terrace, Llanelli, SA15 2UB
• Sold Sep 2025£126,750 | 3 Bed House9, Lakefield Road, Llanelli, SA15 2UE9, Lakefield Road, Llanelli, SA15 2UE
• Sold Aug 2025£117,500 | 3 Bed House1, Heol Siloh, Llanelli, SA15 2RA1, Heol Siloh, Llanelli, SA15 2RA
• 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 Feb 2025£55,000 | 3 Bed House1, Pemberton Street, Llanelli, SA15 2RB1, Pemberton Street, Llanelli, SA15 2RB
• Sold Aug 2024£80,000 | 3 Bed House10, Amos Street, Llanelli, SA15 2TU10, Amos Street, Llanelli, SA15 2TU
• Sold Aug 2024£145,000 | 3 Bed House26, Downing Street, Llanelli, SA15 2UA26, Downing Street, Llanelli, SA15 2UA
• Sold Jul 2024£121,500 | 3 Bed House3, Pemberton Street, Llanelli, SA15 2RB3, Pemberton Street, Llanelli, SA15 2RB
• 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 Oct 2023£100,000 | 3 Bed House46, Pemberton Street, Llanelli, SA15 2RB46, Pemberton Street, Llanelli, SA15 2RB
• Sold Dec 2022£95,000 | 3 Bed House20, Lakefield Road, Llanelli, SA15 2UE20, Lakefield Road, Llanelli, SA15 2UE
• Sold Jul 2022£73,325 | 3 Bed House2, Ralph Terrace, Llanelli, SA15 2UB2, Ralph Terrace, Llanelli, SA15 2UB
• Sold Jul 2022£113,000 | 3 Bed House36, Lakefield Road, Llanelli, SA15 2UE36, Lakefield Road, Llanelli, SA15 2UE
• Sold Jul 2022£125,000 | 3 Bed House7, Lakefield Road, Llanelli, SA15 2UE7, Lakefield Road, Llanelli, SA15 2UE
• Sold Jun 2022£123,000 | 3 Bed House12, Lakefield Road, Llanelli, SA15 2UE12, Lakefield Road, Llanelli, SA15 2UE
• Sold Mar 2021£82,000 | 3 Bed House25, Pemberton Street, Llanelli, SA15 2RB25, Pemberton Street, Llanelli, SA15 2RB

Heol Siloh, Llanelli, SA15 has a total of 17 addresses. According to our analysis of all the public data, 20, Heol Siloh, Llanelli is the 13th largest and the 13th most expensive property on the street.

When compared to the postcode district it is £68k less expensive than the average property in SA15.

• Llanelli

  |

  500 m away
• Bynea

  |

  4.5 km away
• Pembrey & Burry Port

  |

  5.9 km away

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