According to data from HM Land Registry, 18, Denham Avenue, Llanelli sits on a plot of 321 m².

We have plot size data on 37 out of 40 other houses in the postcode and 18, Denham Avenue, Llanelli sits on the 11th largest plot.

18, Denham Avenue, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 07 Jul 2020.

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, 18, Denham Avenue, Llanelli was last sold on 25th August 2017 for £180,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since August 2017, the market for similar properties has risen by 60.9%.

• Sold Aug 2017£180,000
• Sold May 2000£32,500
• Sold May 1997£41,000

According to the Land Registry and our network of Estate Agents, there have been 64 sales of properties similar to 18, Denham Avenue, Llanelli within a radius of 990 metres since 2012.

The most recent example is 89, New Road, Llanelli, SA15 3DS, a freehold house which sold for £267,500 on the 22nd July 2025.

Read more about house prices in SA15.

• Sold Jul 2025£267,500 | 4 Bed House89, New Road, Llanelli, SA15 3DS89, New Road, Llanelli, SA15 3DS
• Sold Oct 2024£173,000 | 4 Bed House20, Sandpiper Road, Llanelli, SA15 4SH20, Sandpiper Road, Llanelli, SA15 4SH
• Sold Apr 2024£185,000 | 4 Bed House30, Stryd Bennett, Llanelli, SA15 4DE30, Stryd Bennett, Llanelli, SA15 4DE
• Sold May 2023£335,000 | 4 Bed House66, Stryd Y Maswr, Llanelli, SA15 4DZ66, Stryd Y Maswr, Llanelli, SA15 4DZ
• Sold Dec 2021£240,000 | 4 Bed House14, Denham Avenue, Llanelli, SA15 4DB14, Denham Avenue, Llanelli, SA15 4DB
• Sold Aug 2021£170,000 | 4 Bed House22, St. Margarets Drive, Llanelli, SA15 4EW22, St. Margarets Drive, Llanelli, SA15 4EW
• Sold Dec 2019£235,000 | 4 Bed House69, Stryd Bennett, Llanelli, SA15 4DJ69, Stryd Bennett, Llanelli, SA15 4DJ
• Sold Dec 2019£179,000 | 4 Bed House173, Stryd Bennett, Llanelli, SA15 4DQ173, Stryd Bennett, Llanelli, SA15 4DQ
• Sold Dec 2019£177,000 | 4 Bed House29, Denham Avenue, Llanelli, SA15 4DB29, Denham Avenue, Llanelli, SA15 4DB
• Sold Nov 2019£225,000 | 4 Bed House22, Stryd Y Maswr, Llanelli, SA15 4DZ22, Stryd Y Maswr, Llanelli, SA15 4DZ
• Sold Sep 2019£225,000 | 4 Bed House68, Stryd Y Maswr, Llanelli, SA15 4DZ68, Stryd Y Maswr, Llanelli, SA15 4DZ
• Sold Sep 2018£152,500 | 4 Bed House118, Denham Avenue, Llanelli, SA15 4DD118, Denham Avenue, Llanelli, SA15 4DD
• Sold Apr 2018£217,000 | 4 Bed House10, Heol James Gravell, Llanelli, SA15 4BX10, Heol James Gravell, Llanelli, SA15 4BX
• Sold Dec 2017£205,000 | 4 Bed House7, Heol James Gravell, Llanelli, SA15 4BX7, Heol James Gravell, Llanelli, SA15 4BX
• Sold Oct 2017£184,000 | 4 Bed House23, Denham Avenue, Llanelli, SA15 4DB23, Denham Avenue, Llanelli, SA15 4DB
• Sold Aug 2017£158,000 | 4 Bed House70, Denham Avenue, Llanelli, SA15 4DD70, Denham Avenue, Llanelli, SA15 4DD
• Sold Feb 2016£145,000 | 4 Bed House26, Denham Avenue, Llanelli, SA15 4DD26, Denham Avenue, Llanelli, SA15 4DD
• Sold Mar 2015£176,995 | 4 Bed House1, Heol James Gravell, Llanelli, SA15 4BX1, Heol James Gravell, Llanelli, SA15 4BX
• Sold Oct 2013£176,000 | 4 Bed House10, Denham Avenue, Llanelli, SA15 4DB10, Denham Avenue, Llanelli, SA15 4DB
• Sold Jan 2012£152,500 | 4 Bed House16A, Chapman Street, Llanelli, SA15 3EB16A, Chapman Street, Llanelli, SA15 3EB

Denham Avenue, Llanelli, SA15 has a total of 111 addresses. According to our analysis of all the public data, 18, Denham Avenue, Llanelli is the 7th largest and the 19th most expensive property on the street.

When compared to the postcode district it is £60k more expensive than the average property in SA15.

• Llanelli

  |

  1.9 km away
• Pembrey & Burry Port

  |

  4.7 km away
• Bynea

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  5.8 km away

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