According to data from HM Land Registry, 18, Heol Ffynnon, Llanelli sits on a plot of 167 m².

We have plot size data on 20 out of 20 other houses in the postcode and 18, Heol Ffynnon, Llanelli sits on the 15th largest plot.

18, Heol Ffynnon, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 22 Sep 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 the Land Registry and our network of Estate Agents, there have been 65 sales of properties similar to 18, Heol Ffynnon, Llanelli within a radius of 610 metres since 2012.

The most recent example is 69, Llewellyn Street, Llanelli, SA15 1BD, a freehold house which sold for £105,000 on the 4th November 2025.

Read more about house prices in SA15.

• Sold Nov 2025£105,000 | 3 Bed House69, Llewellyn Street, Llanelli, SA15 1BD69, Llewellyn Street, Llanelli, SA15 1BD
• Sold Jul 2025£77,000 | 3 Bed House71, Llewellyn Street, Llanelli, SA15 1BD71, Llewellyn Street, Llanelli, SA15 1BD
• Sold Apr 2025£95,000 | 3 Bed House24, Martin Road, Llanelli, SA15 1PU24, Martin Road, Llanelli, SA15 1PU
• Sold Feb 2025£80,000 | 3 Bed House21, Mansel Street, Llanelli, SA15 1DA21, Mansel Street, Llanelli, SA15 1DA
• Sold Oct 2024£115,000 | 3 Bed House36, Bond Avenue, Llanelli, SA15 1RL36, Bond Avenue, Llanelli, SA15 1RL
• Sold Aug 2024£83,500 | 3 Bed House13A, Christopher Street, Llanelli, SA15 1DF13A, Christopher Street, Llanelli, SA15 1DF
• Sold May 2024£92,000 | 3 Bed House68, Dillwyn Street, Llanelli, SA15 1BU68, Dillwyn Street, Llanelli, SA15 1BU
• Sold Apr 2024£70,000 | 3 Bed House35, Bond Avenue, Llanelli, SA15 1RL35, Bond Avenue, Llanelli, SA15 1RL
• Sold Oct 2023£86,000 | 3 Bed House8, Christopher Street, Llanelli, SA15 1DF8, Christopher Street, Llanelli, SA15 1DF
• Sold Jul 2023£90,000 | 3 Bed House3, Bigyn Park Terrace, Llanelli, SA15 1DN3, Bigyn Park Terrace, Llanelli, SA15 1DN
• Sold Jun 2023£68,000 | 3 Bed House58, Dillwyn Street, Llanelli, SA15 1BU58, Dillwyn Street, Llanelli, SA15 1BU
• Sold Apr 2023£102,500 | 3 Bed House89, Llewellyn Street, Llanelli, SA15 1BD89, Llewellyn Street, Llanelli, SA15 1BD
• Sold Nov 2022£106,000 | 3 Bed House22, Bond Avenue, Llanelli, SA15 1RL22, Bond Avenue, Llanelli, SA15 1RL
• Sold Nov 2022£90,000 | 3 Bed House15, Heol Ffynnon, Llanelli, SA15 1RA15, Heol Ffynnon, Llanelli, SA15 1RA
• Sold Mar 2022£100,000 | 3 Bed House21, Westbury Street, Llanelli, SA15 2AF21, Westbury Street, Llanelli, SA15 2AF
• Sold Mar 2022£95,000 | 3 Bed House49, Coronation Road, Llanelli, SA15 1PD49, Coronation Road, Llanelli, SA15 1PD
• Sold Aug 2021£79,950 | 3 Bed House26, Heol Ffynnon, Llanelli, SA15 1RA26, Heol Ffynnon, Llanelli, SA15 1RA
• Sold Jan 2016£60,000 | 3 Bed House2, Martin Road, Llanelli, SA15 1PT2, Martin Road, Llanelli, SA15 1PT
• Sold Dec 2014£65,000 | 3 Bed House23, Mansel Street, Llanelli, SA15 1DA23, Mansel Street, Llanelli, SA15 1DA
• Sold Sep 2012£58,000 | 3 Bed House17, Bond Avenue, Llanelli, SA15 1RL17, Bond Avenue, Llanelli, SA15 1RL

Heol Ffynnon, Llanelli, SA15 has a total of 32 addresses. According to our analysis of all the public data, 18, Heol Ffynnon, Llanelli is the 14th largest and the 14th most expensive property on the street.

When compared to the postcode district it is £92k less expensive than the average property in SA15.

• Llanelli

  |

  900 m away
• Bynea

  |

  3.5 km away
• Llangennech

  |

  5.1 km away

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