According to data from HM Land Registry, 23, Harries Avenue, Llanelli sits on a plot of 249 m².

We have plot size data on 16 out of 18 other houses in the postcode and 23, Harries Avenue, Llanelli sits on the 15th largest plot.

23, Harries Avenue, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 Jul 2017.

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, 23, Harries Avenue, Llanelli was last sold on 19th January 2018 for £138,500 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since January 2018, the market for similar properties has risen by 41.3%.

• Sold Jan 2018£138,500

According to the Land Registry and our network of Estate Agents, there have been 46 sales of properties similar to 23, Harries Avenue, Llanelli within a radius of 600 metres since 2015.

The most recent example is 70, Stryd Bennett, Llanelli, SA15 4DE, a freehold house which sold for £154,000 on the 12th December 2025.

Read more about house prices in SA15.

• Sold Dec 2025£154,000 | 3 Bed House70, Stryd Bennett, Llanelli, SA15 4DE70, Stryd Bennett, Llanelli, SA15 4DE
• Sold Sep 2024£210,000 | 3 Bed House16, Heol James Gravell, Llanelli, SA15 4BX16, Heol James Gravell, Llanelli, SA15 4BX
• Sold Apr 2024£162,000 | 3 Bed House30, Chapman Street, Llanelli, SA15 3EB30, Chapman Street, Llanelli, SA15 3EB
• Sold Mar 2023£200,000 | 3 Bed House22, Heol James Gravell, Llanelli, SA15 4BX22, Heol James Gravell, Llanelli, SA15 4BX
• Sold Nov 2022£250,000 | 3 Bed House1, Courtney Road, Llanelli, SA15 3LB1, Courtney Road, Llanelli, SA15 3LB
• Sold Nov 2022£200,000 | 3 Bed House11, Heol James Gravell, Llanelli, SA15 4BX11, Heol James Gravell, Llanelli, SA15 4BX
• Sold Oct 2022£220,000 | 3 Bed House5, Stradey Park Avenue, Llanelli, SA15 3EG5, Stradey Park Avenue, Llanelli, SA15 3EG
• Sold Sep 2022£279,995 | 3 Bed House13, Belvedere Road, Llanelli, SA15 3LD13, Belvedere Road, Llanelli, SA15 3LD
• Sold Aug 2022£185,000 | 3 Bed House255, Stryd Bennett, Llanelli, SA15 4DQ255, Stryd Bennett, Llanelli, SA15 4DQ
• Sold Jan 2022£164,000 | 3 Bed House6, New Zealand Street, Llanelli, SA15 3EN6, New Zealand Street, Llanelli, SA15 3EN
• Sold Nov 2021£150,000 | 4 Bed House21, Coleshill Terrace, Llanelli, SA15 3BT21, Coleshill Terrace, Llanelli, SA15 3BT
• Sold Sep 2021£210,000 | 3 Bed House4, Belvedere Road, Llanelli, SA15 3LD4, Belvedere Road, Llanelli, SA15 3LD
• Sold Nov 2020£182,500 | 3 Bed House31, Coleshill Terrace, Llanelli, SA15 3BT31, Coleshill Terrace, Llanelli, SA15 3BT
• Sold Aug 2019£190,000 | 3 Bed House25, Harries Avenue, Llanelli, SA15 3LF25, Harries Avenue, Llanelli, SA15 3LF
• Sold May 2018£178,995 | 3 Bed House15, Heol James Gravell, Llanelli, SA15 4BX15, Heol James Gravell, Llanelli, SA15 4BX
• Sold May 2018£165,000 | 3 Bed House14, Heol James Gravell, Llanelli, SA15 4BX14, Heol James Gravell, Llanelli, SA15 4BX
• Sold May 2018£166,000 | 3 Bed House13, Heol James Gravell, Llanelli, SA15 4BX13, Heol James Gravell, Llanelli, SA15 4BX
• Sold May 2018£167,000 | 3 Bed House12, Heol James Gravell, Llanelli, SA15 4BX12, Heol James Gravell, Llanelli, SA15 4BX
• Sold Nov 2016£160,000 | 3 Bed House3, Belvedere Road, Llanelli, SA15 3LD3, Belvedere Road, Llanelli, SA15 3LD
• Sold May 2015£114,995 | 4 Bed House29, Coleshill Terrace, Llanelli, SA15 3BT29, Coleshill Terrace, Llanelli, SA15 3BT

Harries Avenue, Llanelli, SA15 has a total of 26 addresses. According to our analysis of all the public data, 23, Harries Avenue, Llanelli is the 25th largest and the 25th most expensive property on the street.

When compared to the postcode district it is £47k more expensive than the average property in SA15.

• Llanelli

  |

  1.4 km away
• Bynea

  |

  4.8 km away
• Pembrey & Burry Port

  |

  5.7 km away

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