According to data from HM Land Registry, 16, Heron Avenue, Llanelli sits on a plot of 429 m².

We have plot size data on 16 out of 16 other houses in the postcode and 16, Heron Avenue, Llanelli sits on the 3rd largest plot.

16, Heron Avenue, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Jun 2012.

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, 16, Heron Avenue, Llanelli was last sold on 25th May 2017 for £280,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since May 2017, the market for similar properties has risen by 35.3%.

• Sold May 2017£280,000

According to the Land Registry and our network of Estate Agents, there have been 57 sales of properties similar to 16, Heron Avenue, Llanelli within a radius of 820 metres since 2010.

The most recent example is 203, Stryd Bennett, Llanelli, SA15 4DQ, a freehold house which sold for £310,000 on the 30th October 2025.

Read more about house prices in SA15.

• Sold Oct 2025£310,000 | 4 Bed House203, Stryd Bennett, Llanelli, SA15 4DQ203, Stryd Bennett, Llanelli, SA15 4DQ
• Sold Jul 2025£285,000 | 4 Bed House12, Sandpiper Road, Llanelli, SA15 4SH12, Sandpiper Road, Llanelli, SA15 4SH
• Sold Oct 2024£173,000 | 4 Bed House20, Sandpiper Road, Llanelli, SA15 4SH20, Sandpiper Road, Llanelli, SA15 4SH
• Sold Jun 2021£345,000 | 4 Bed House78, Sandpiper Road, Llanelli, SA15 4SH78, Sandpiper Road, Llanelli, SA15 4SH
• Sold Apr 2021£275,000 | 3 Bed House5, Swan Walk, Llanelli, SA15 4SJ5, Swan Walk, Llanelli, SA15 4SJ
• Sold Oct 2019£231,000 | 4 Bed House21, Stryd Y Maswr, Llanelli, SA15 4DX21, Stryd Y Maswr, Llanelli, SA15 4DX
• Sold Aug 2019£225,000 | 4 Bed House31, Stryd Y Maswr, Llanelli, SA15 4DX31, Stryd Y Maswr, Llanelli, SA15 4DX
• Sold Aug 2019£220,000 | 4 Bed House33, Stryd Y Maswr, Llanelli, SA15 4DX33, Stryd Y Maswr, Llanelli, SA15 4DX
• Sold Jun 2019£215,000 | 4 Bed House37, Stryd Y Maswr, Llanelli, SA15 4DX37, Stryd Y Maswr, Llanelli, SA15 4DX
• Sold May 2019£225,000 | 4 Bed House35, Stryd Y Maswr, Llanelli, SA15 4DX35, Stryd Y Maswr, Llanelli, SA15 4DX
• Sold May 2019£229,995 | 4 Bed House167, Stryd Bennett, Llanelli, SA15 4DQ167, Stryd Bennett, Llanelli, SA15 4DQ
• Sold Apr 2019£228,995 | 4 Bed House39, Stryd Y Maswr, Llanelli, SA15 4DX39, Stryd Y Maswr, Llanelli, SA15 4DX
• Sold Apr 2019£219,995 | 4 Bed House43, Stryd Y Maswr, Llanelli, SA15 4DX43, Stryd Y Maswr, Llanelli, SA15 4DX
• Sold Apr 2018£217,000 | 4 Bed House10, Heol James Gravell, Llanelli, SA15 4BX10, Heol James Gravell, Llanelli, SA15 4BX
• Sold May 2017£172,000 | 3 Bed House96, Sandpiper Road, Llanelli, SA15 4SH96, Sandpiper Road, Llanelli, SA15 4SH
• Sold Apr 2017£120,000 | 3 Bed House2, Sandpiper Road, Llanelli, SA15 4SH2, Sandpiper Road, Llanelli, SA15 4SH
• Sold Mar 2016£198,000 | 4 Bed House84, Sandpiper Road, Llanelli, SA15 4SH84, Sandpiper Road, Llanelli, SA15 4SH
• Sold Mar 2013£166,500 | 4 Bed House7, Sandpiper Road, Llanelli, SA15 4SG7, Sandpiper Road, Llanelli, SA15 4SG
• Sold Jul 2011£125,000 | 4 Bed House13, Sandpiper Road, Llanelli, SA15 4SG13, Sandpiper Road, Llanelli, SA15 4SG
• Sold Oct 2010£217,500 | 4 Bed House9, Heron Avenue, Llanelli, SA15 4SL9, Heron Avenue, Llanelli, SA15 4SL

Heron Avenue, Llanelli, SA15 has a total of 16 addresses. According to our analysis of all the public data, 16, Heron Avenue, Llanelli is the 7th largest and the 6th most expensive property on the street.

When compared to the postcode district it is £117k more expensive than the average property in SA15.

• Llanelli

  |

  1.4 km away
• Pembrey & Burry Port

  |

  5.0 km away
• Bynea

  |

  5.5 km away

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