HM Land Registry records the plot of land for 20, Denham Avenue, Llanelli as measuring 328 m².

That makes it the 9th largest plot in the postcode, where 37 of the 40 other houses have recorded plot data.

20, Denham Avenue, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 03 Nov 2022.

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

The most recent sale of 20, Denham Avenue, Llanelli completed on 31st May 2022 at £207,500 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have dropped by 1.2% over the period since May 2022.

• Sold May 2022£207,500

Since 2007 160 properties similar to 20, Denham Avenue, Llanelli have sold within a radius of 980 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 5th August 2025, was 40, Stryd Y Maswr, Llanelli, SA15 4DZ, a freehold house which sold for £245,000.

Read more about house prices in SA15.

• Sold Aug 2025£245,000 | 3 Bed House40, Stryd Y Maswr, Llanelli, SA15 4DZ40, Stryd Y Maswr, Llanelli, SA15 4DZ
• Sold May 2025£167,500 | 3 Bed House9, Denham Avenue, Llanelli, SA15 4DB9, Denham Avenue, Llanelli, SA15 4DB
• Sold Aug 2024£170,000 | 3 Bed House19, Denham Avenue, Llanelli, SA15 4DB19, Denham Avenue, Llanelli, SA15 4DB
• Sold Apr 2024£162,000 | 3 Bed House30, Chapman Street, Llanelli, SA15 3EB30, Chapman Street, Llanelli, SA15 3EB
• Sold Jan 2024£250,000 | 3 Bed House44, Denham Avenue, Llanelli, SA15 4DD44, Denham Avenue, Llanelli, SA15 4DD
• Sold Jan 2024£250,000 | 3 Bed House16, Denham Avenue, Llanelli, SA15 4DB16, Denham Avenue, Llanelli, SA15 4DB
• Sold Jun 2023£295,000 | 3 Bed House89, Stryd Bennett, Llanelli, SA15 4DJ89, Stryd Bennett, Llanelli, SA15 4DJ
• Sold Dec 2022£245,000 | 3 Bed House33, Denham Avenue, Llanelli, SA15 4DB33, Denham Avenue, Llanelli, SA15 4DB
• Sold May 2022£187,000 | 3 Bed House123, Stryd Bennett, Llanelli, SA15 4DJ123, Stryd Bennett, Llanelli, SA15 4DJ
• Sold Dec 2021£165,000 | 3 Bed House177, Stryd Bennett, Llanelli, SA15 4DQ177, Stryd Bennett, Llanelli, SA15 4DQ
• Sold Oct 2021£165,000 | 3 Bed House31, Denham Avenue, Llanelli, SA15 4DB31, Denham Avenue, Llanelli, SA15 4DB
• Sold Oct 2021£178,000 | 3 Bed House179, Stryd Bennett, Llanelli, SA15 4DQ179, Stryd Bennett, Llanelli, SA15 4DQ
• Sold Nov 2019£159,995 | 3 Bed House47, Stryd Bennett, Llanelli, SA15 4DJ47, Stryd Bennett, Llanelli, SA15 4DJ
• Sold Oct 2018£158,000 | 3 Bed House21, Denham Avenue, Llanelli, SA15 4DB21, Denham Avenue, Llanelli, SA15 4DB
• Sold Aug 2018£149,000 | 3 Bed House27, Denham Avenue, Llanelli, SA15 4DB27, Denham Avenue, Llanelli, SA15 4DB
• Sold Dec 2016£153,500 | 3 Bed House5, Denham Avenue, Llanelli, SA15 4DB5, Denham Avenue, Llanelli, SA15 4DB
• Sold Nov 2015£136,000 | 3 Bed House40, Denham Avenue, Llanelli, SA15 4DD40, Denham Avenue, Llanelli, SA15 4DD
• Sold Jul 2013£155,000 | 3 Bed House28, Denham Avenue, Llanelli, SA15 4DD28, Denham Avenue, Llanelli, SA15 4DD
• Sold Oct 2012£118,000 | 4 Bed House6, Denham Avenue, Llanelli, SA15 4DB6, Denham Avenue, Llanelli, SA15 4DB
• Sold Mar 2007£162,000 | 3 Bed House17, Denham Avenue, Llanelli, SA15 4DB17, Denham Avenue, Llanelli, SA15 4DB

Of the 111 addresses on Denham Avenue, Llanelli, SA15, 20, Denham Avenue, Llanelli comes out as the 33rd largest and the 70th most expensive in our analysis of the public data.

It is also £28k more expensive than the average property across the SA15 district.

• Llanelli

  |

  1.9 km away
• Pembrey & Burry Port

  |

  4.7 km away
• Bynea

  |

  5.8 km away

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