HM Land Registry records the plot of land for 4, Derwen Deg, Llanelli as measuring 330 m².

That makes it the 6th largest plot in the postcode, where all 9 other houses have recorded plot data.

The most recent sale of 4, Derwen Deg, Llanelli completed on 14th January 2015 at £185,000 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 risen by 30.5% over the period since January 2015.

• Sold Jan 2015£185,000

Since 2009 53 properties similar to 4, Derwen Deg, Llanelli have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 7th November 2025, was 36, Heol Yr Ysgol, Llanelli, SA14 7EA, a freehold house which sold for £230,000.

Read more about house prices in SA14.

• Sold Nov 2025£230,000 | 4 Bed House36, Heol Yr Ysgol, Llanelli, SA14 7EA36, Heol Yr Ysgol, Llanelli, SA14 7EA
• Sold Feb 2025£280,000 | 4 Bed House15, Heol Y Dre, Llanelli, SA14 7DR15, Heol Y Dre, Llanelli, SA14 7DR
• Sold Oct 2023£279,995 | 4 Bed House6, Heol Yr Ysgol, Llanelli, SA14 7EB6, Heol Yr Ysgol, Llanelli, SA14 7EB
• Sold Sep 2022£255,000 | 4 Bed House143, Carmarthen Road, Llanelli, SA14 6TD143, Carmarthen Road, Llanelli, SA14 6TD
• Sold Sep 2022£148,000 | 4 Bed House1, Heol Y Parc, Llanelli, SA14 7DE1, Heol Y Parc, Llanelli, SA14 7DE
• Sold May 2022£265,000 | 4 Bed House128, Carmarthen Road, Llanelli, SA14 6TH128, Carmarthen Road, Llanelli, SA14 6TH
• Sold May 2021£230,000 | 4 Bed House73, Heol Y Parc, Llanelli, SA14 7DL73, Heol Y Parc, Llanelli, SA14 7DL
• Sold May 2017£235,000 | 4 Bed House7, Derwen Deg, Llanelli, SA14 7DU7, Derwen Deg, Llanelli, SA14 7DU
• Sold Mar 2017£217,500 | 4 Bed House8, Derwen Deg, Llanelli, SA14 7DU8, Derwen Deg, Llanelli, SA14 7DU
• Sold Mar 2017£135,000 | 4 Bed House27, Heol Y Dre, Llanelli, SA14 7DR27, Heol Y Dre, Llanelli, SA14 7DR
• Sold Mar 2017£130,000 | 4 Bed House119, Carmarthen Road, Llanelli, SA14 6TD119, Carmarthen Road, Llanelli, SA14 6TD
• Sold Jan 2017£155,000 | 4 Bed House102, Carmarthen Road, Llanelli, SA14 6SU102, Carmarthen Road, Llanelli, SA14 6SU
• Sold Apr 2015£182,500 | 4 Bed House1, Derwen Deg, Llanelli, SA14 7DU1, Derwen Deg, Llanelli, SA14 7DU
• Sold Mar 2015£193,000 | 4 Bed House6, Derwen Deg, Llanelli, SA14 7DU6, Derwen Deg, Llanelli, SA14 7DU
• Sold Dec 2014£200,000 | 4 Bed House10, Derwen Deg, Llanelli, SA14 7DU10, Derwen Deg, Llanelli, SA14 7DU
• Sold Aug 2014£206,500 | 4 Bed House2, Derwen Deg, Llanelli, SA14 7DU2, Derwen Deg, Llanelli, SA14 7DU
• Sold Sep 2013£160,000 | 4 Bed House3, Derwen Deg, Llanelli, SA14 7DU3, Derwen Deg, Llanelli, SA14 7DU
• Sold Aug 2013£180,000 | 4 Bed House5, Derwen Deg, Llanelli, SA14 7DU5, Derwen Deg, Llanelli, SA14 7DU
• Sold Dec 2012£155,000 | 4 Bed House114, Carmarthen Road, Llanelli, SA14 6TD114, Carmarthen Road, Llanelli, SA14 6TD
• Sold Oct 2009£165,000 | 4 Bed House51, Heol Y Parc, Llanelli, SA14 7DE51, Heol Y Parc, Llanelli, SA14 7DE

Of the 9 addresses on Derwen Deg, Cefneithin, Llanelli, SA14, 4, Derwen Deg, Llanelli comes out as the 5th largest and the 6th most expensive in our analysis of the public data.

It is also £61k more expensive than the average property across the SA14 district.

• Ammanford

  |

  6.8 km away
• Pantyffynnon

  |

  7.2 km away
• Llandybie

  |

  7.8 km away

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