According to data from HM Land Registry, 46, Derwent Street, Llanelli sits on a plot of 225 m².

We have plot size data on 13 out of 17 other houses in the postcode and 46, Derwent Street, Llanelli sits on the 7th largest plot.

46, Derwent Street, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Feb 2022.

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, 46, Derwent Street, Llanelli was last sold on 14th February 2018 for £87,500 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since February 2018, the market for similar properties has risen by 41.1%.

• Sold Feb 2018£87,500

According to the Land Registry and our network of Estate Agents, there have been 26 sales of properties similar to 46, Derwent Street, Llanelli within a radius of 650 metres since 2007.

The most recent example is 18, Stradey Road, Llanelli, SA15 4ET, a freehold house which sold for £133,500 on the 17th November 2025.

Read more about house prices in SA15.

• Sold Nov 2025£133,500 | 3 Bed House18, Stradey Road, Llanelli, SA15 4ET18, Stradey Road, Llanelli, SA15 4ET
• Sold Jun 2024£125,000 | 3 Bed House10, Stradey Road, Llanelli, SA15 4ET10, Stradey Road, Llanelli, SA15 4ET
• Sold Mar 2024£118,000 | 3 Bed House15, Stradey Road, Llanelli, SA15 4ET15, Stradey Road, Llanelli, SA15 4ET
• Sold Aug 2023£143,500 | 3 Bed House19, Iscoed, Llanelli, SA15 4BY19, Iscoed, Llanelli, SA15 4BY
• Sold Sep 2022£99,995 | 3 Bed House3, Felinfoel Road, Llanelli, SA15 3JQ3, Felinfoel Road, Llanelli, SA15 3JQ
• Sold May 2022£140,000 | 3 Bed House15, New Zealand Street, Llanelli, SA15 3EN15, New Zealand Street, Llanelli, SA15 3EN
• Sold Aug 2021£157,000 | 3 Bed House35, Stryd Bennett, Llanelli, SA15 4DJ35, Stryd Bennett, Llanelli, SA15 4DJ
• Sold May 2021£155,000 | 3 Bed House22, Miles Street, Llanelli, SA15 3DU22, Miles Street, Llanelli, SA15 3DU
• Sold Dec 2020£140,000 | 3 Bed House26, New Zealand Street, Llanelli, SA15 3EN26, New Zealand Street, Llanelli, SA15 3EN
• Sold Oct 2020£106,500 | 3 Bed House8, Stradey Road, Llanelli, SA15 4ET8, Stradey Road, Llanelli, SA15 4ET
• Sold Dec 2019£135,000 | 3 Bed House71, Iscoed, Llanelli, SA15 4DA71, Iscoed, Llanelli, SA15 4DA
• Sold Jul 2019£54,000 | 3 Bed House12, Stradey Road, Llanelli, SA15 4ET12, Stradey Road, Llanelli, SA15 4ET
• Sold Jun 2017£115,000 | 3 Bed House40, Derwent Street, Llanelli, SA15 3ER40, Derwent Street, Llanelli, SA15 3ER
• Sold Sep 2016£57,000 | 3 Bed House10, Chapman Street, Llanelli, SA15 3EL10, Chapman Street, Llanelli, SA15 3EL
• Sold Aug 2016£119,000 | 2 Bed House197, Stryd Bennett, Llanelli, SA15 4DQ197, Stryd Bennett, Llanelli, SA15 4DQ
• Sold Oct 2015£83,500 | 3 Bed House12A, Park Crescent, Llanelli, SA15 3AE12A, Park Crescent, Llanelli, SA15 3AE
• Sold Nov 2014£70,000 | 3 Bed House4, Brettenham Street, Llanelli, SA15 3ED4, Brettenham Street, Llanelli, SA15 3ED
• Sold Jun 2014£105,000 | 3 Bed House58, Derwent Street, Llanelli, SA15 3ER58, Derwent Street, Llanelli, SA15 3ER
• Sold Feb 2012£97,000 | 3 Bed House12, New Zealand Street, Llanelli, SA15 3EN12, New Zealand Street, Llanelli, SA15 3EN
• Sold Sep 2007£97,500 | 3 Bed House44, Derwent Street, Llanelli, SA15 3ER44, Derwent Street, Llanelli, SA15 3ER

Derwent Street, Llanelli, SA15 has a total of 63 addresses. According to our analysis of all the public data, 46, Derwent Street, Llanelli is the 49th largest and the 32nd most expensive property on the street.

When compared to the postcode district it is £38k less expensive than the average property in SA15.

• Llanelli

  |

  1.4 km away
• Bynea

  |

  5.1 km away
• Pembrey & Burry Port

  |

  5.4 km away

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