According to data from HM Land Registry, 21, Heol Afallon, Llanelli sits on a plot of 476 m².

We have plot size data on 16 out of 24 other houses in the postcode and 21, Heol Afallon, Llanelli sits on the 12th largest plot.

21, Heol Afallon, Llanelli has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 02 Dec 2015.

The property is not connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (oil).

According to the Land Registry and our network of Estate Agents, there have been 118 sales of properties similar to 21, Heol Afallon, Llanelli within a radius of 2.3 kilometres since 2015.

The most recent example is 14, Bethesda Road, Llanelli, SA14 6HY, a freehold house which sold for £210,000 on the 16th April 2026.

Read more about house prices in SA14.

• Sold Apr 2026£210,000 | 3 Bed House14, Bethesda Road, Llanelli, SA14 6HY14, Bethesda Road, Llanelli, SA14 6HY
• Sold Feb 2026£202,500 | 3 Bed House51, Heol Y Neuadd, Llanelli, SA14 6HR51, Heol Y Neuadd, Llanelli, SA14 6HR
• Sold Sep 2025£182,500 | 3 Bed House48, Rhosyderi, Llanelli, SA14 6LB48, Rhosyderi, Llanelli, SA14 6LB
• Sold Jun 2025£172,000 | 3 Bed House5, Clos Gwyn, Llanelli, SA14 6AJ5, Clos Gwyn, Llanelli, SA14 6AJ
• Sold May 2025£180,000 | 3 Bed House109, Bethesda Road, Llanelli, SA14 6LL109, Bethesda Road, Llanelli, SA14 6LL
• Sold Nov 2024£235,000 | 3 Bed HousePant Y Celyn, Llanelli, SA14 7BBPant Y Celyn, Llanelli, SA14 7BB
• Sold Oct 2024£180,000 | 3 Bed House54, Rhosyderi, Llanelli, SA14 6LB54, Rhosyderi, Llanelli, SA14 6LB
• Sold Oct 2023£155,000 | 3 Bed House6, Nant Y Dderwen, Llanelli, SA14 7DD6, Nant Y Dderwen, Llanelli, SA14 7DD
• Sold Apr 2023£172,500 | 3 Bed House9, Heol Afallon, Llanelli, SA14 7BH9, Heol Afallon, Llanelli, SA14 7BH
• Sold Jan 2023£157,500 | 3 Bed House3, Clos Gwyn, Llanelli, SA14 6AJ3, Clos Gwyn, Llanelli, SA14 6AJ
• Sold May 2022£196,500 | 3 Bed House7, Heol Afallon, Llanelli, SA14 7BH7, Heol Afallon, Llanelli, SA14 7BH
• Sold Dec 2021£162,000 | 3 Bed House73, Heol Cwmmawr, Llanelli, SA14 7AG73, Heol Cwmmawr, Llanelli, SA14 7AG
• Sold Aug 2021£190,000 | 3 Bed House17, Heol Cwmmawr, Llanelli, SA14 7AA17, Heol Cwmmawr, Llanelli, SA14 7AA
• Sold Apr 2021£157,500 | 3 Bed House15, Heol Afallon, Llanelli, SA14 7BH15, Heol Afallon, Llanelli, SA14 7BH
• Sold Dec 2020£106,500 | 3 Bed House81, Heol Cwmmawr, Llanelli, SA14 7AG81, Heol Cwmmawr, Llanelli, SA14 7AG
• Sold Nov 2020£120,000 | 3 Bed House39, Rhosyderi, Llanelli, SA14 6LB39, Rhosyderi, Llanelli, SA14 6LB
• Sold Sep 2020£134,000 | 3 Bed House69, Heol Cwmmawr, Llanelli, SA14 7AS69, Heol Cwmmawr, Llanelli, SA14 7AS
• Sold Nov 2017£112,000 | 3 Bed House8, Nant Y Dderwen, Llanelli, SA14 7DD8, Nant Y Dderwen, Llanelli, SA14 7DD
• Sold Nov 2017£99,950 | 3 Bed House12, Heol Afallon, Llanelli, SA14 7BH12, Heol Afallon, Llanelli, SA14 7BH
• Sold Jan 2015£145,000 | 3 Bed House14, Heol Cwmmawr, Llanelli, SA14 7AA14, Heol Cwmmawr, Llanelli, SA14 7AA

Heol Afallon, Drefach, Llanelli, SA14 has a total of 24 addresses. According to our analysis of all the public data, 21, Heol Afallon, Llanelli is the 13th largest and the 13th most expensive property on the street.

When compared to the postcode district it is £148 more expensive than the average property in SA14.

• Ammanford

  |

  9.6 km away
• Pantyffynnon

  |

  9.8 km away
• Llandybie

  |

  10.7 km away

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