HM Land Registry records the plot of land for 4, Heol Seion, Llanelli as measuring 143 m².

That makes it the 19th largest plot in the postcode, where 19 of the 23 other houses have recorded plot data.

4, Heol Seion, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Aug 2015.

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

Since 2008 94 properties similar to 4, Heol Seion, Llanelli have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 11th June 2025, was 69, Hendre Park, Llanelli, SA14 8UR, a freehold house which sold for £175,000.

Read more about house prices in SA14.

• Sold Jun 2025£175,000 | 3 Bed House69, Hendre Park, Llanelli, SA14 8UR69, Hendre Park, Llanelli, SA14 8UR
• Sold Aug 2024£180,000 | 3 Bed House16, Heol Seion, Llanelli, SA14 8TZ16, Heol Seion, Llanelli, SA14 8TZ
• Sold Aug 2024£175,000 | 3 Bed House12, Heol Plas Isaf, Llanelli, SA14 8TJ12, Heol Plas Isaf, Llanelli, SA14 8TJ
• Sold Dec 2023£153,000 | 2 Bed House9, Clos Cae Fainc, Llanelli, SA14 8TQ9, Clos Cae Fainc, Llanelli, SA14 8TQ
• Sold Feb 2023£195,000 | 3 Bed House26, Heol Seion, Llanelli, SA14 8TZ26, Heol Seion, Llanelli, SA14 8TZ
• Sold Jan 2023£145,000 | 3 Bed House24, Heol Seion, Llanelli, SA14 8TZ24, Heol Seion, Llanelli, SA14 8TZ
• Sold May 2022£249,950 | 3 Bed House13, Heol Seion, Llanelli, SA14 8TZ13, Heol Seion, Llanelli, SA14 8TZ
• Sold May 2022£172,500 | 3 Bed House15, Heol Seion, Llanelli, SA14 8TZ15, Heol Seion, Llanelli, SA14 8TZ
• Sold Dec 2020£124,400 | 3 Bed House5, Heol Plas Isaf, Llanelli, SA14 8TJ5, Heol Plas Isaf, Llanelli, SA14 8TJ
• Sold Mar 2020£90,000 | 3 Bed House4, Clos Plas Isaf, Llanelli, SA14 8RX4, Clos Plas Isaf, Llanelli, SA14 8RX
• Sold Feb 2019£110,000 | 3 Bed House6, Heol Seion, Llanelli, SA14 8TZ6, Heol Seion, Llanelli, SA14 8TZ
• Sold Jun 2018£125,000 | 3 Bed House12, Clos Cae Fainc, Llanelli, SA14 8TQ12, Clos Cae Fainc, Llanelli, SA14 8TQ
• Sold May 2018£123,950 | 3 Bed House14, Heol Seion, Llanelli, SA14 8TZ14, Heol Seion, Llanelli, SA14 8TZ
• Sold Apr 2017£94,500 | 3 Bed House25, Brynhyfryd, Llanelli, SA14 8GA25, Brynhyfryd, Llanelli, SA14 8GA
• Sold Feb 2016£93,000 | 3 Bed House15, Heol Plas Isaf, Llanelli, SA14 8TJ15, Heol Plas Isaf, Llanelli, SA14 8TJ
• Sold Oct 2014£124,000 | 3 Bed House19, Heol Seion, Llanelli, SA14 8TZ19, Heol Seion, Llanelli, SA14 8TZ
• Sold May 2014£85,000 | 3 Bed House12, Heol Seion, Llanelli, SA14 8TZ12, Heol Seion, Llanelli, SA14 8TZ
• Sold Jan 2012£105,000 | 3 Bed House3, Heol Plas Isaf, Llanelli, SA14 8TJ3, Heol Plas Isaf, Llanelli, SA14 8TJ
• Sold Nov 2010£116,000 | 3 Bed House6, Heol Plas Isaf, Llanelli, SA14 8TJ6, Heol Plas Isaf, Llanelli, SA14 8TJ
• Sold Mar 2008£115,000 | 3 Bed House2, Clos Plas Isaf, Llanelli, SA14 8RX2, Clos Plas Isaf, Llanelli, SA14 8RX

Of the 23 addresses on Heol Seion, Llangennech, Llanelli, SA14, 4, Heol Seion, Llanelli comes out as the 8th largest and the 12th most expensive in our analysis of the public data.

It is also £14k less expensive than the average property across the SA14 district.

• Llangennech

  |

  500 m away
• Bynea

  |

  2.3 km away
• Pontarddulais

  |

  4.0 km away

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