HM Land Registry records the plot of land for 20, Downing Street, Llanelli as measuring 107 m².

That makes it the 19th largest plot in the postcode, where 24 of the 26 other houses have recorded plot data.

20, Downing Street, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Mar 2020.

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

Since 2021 268 properties similar to 20, Downing Street, Llanelli have sold within a radius of 460 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 23rd January 2026, was 36, Princess Street, Llanelli, SA15 2TD, a freehold house which sold for £127,000.

Read more about house prices in SA15.

• Sold Jan 2026£127,000 | 3 Bed House36, Princess Street, Llanelli, SA15 2TD36, Princess Street, Llanelli, SA15 2TD
• Sold Jul 2025£152,500 | 3 Bed House8, Amos Street, Llanelli, SA15 2TU8, Amos Street, Llanelli, SA15 2TU
• Sold Jun 2025£133,000 | 3 Bed House17, Brynmor Road, Llanelli, SA15 2TF17, Brynmor Road, Llanelli, SA15 2TF
• Sold Apr 2025£123,000 | 3 Bed House11, Ralph Terrace, Llanelli, SA15 2UB11, Ralph Terrace, Llanelli, SA15 2UB
• Sold Mar 2025£140,000 | 3 Bed House81, Brynmor Road, Llanelli, SA15 2TF81, Brynmor Road, Llanelli, SA15 2TF
• Sold Mar 2025£73,000 | 3 Bed House18, High Street, Llanelli, SA15 2RE18, High Street, Llanelli, SA15 2RE
• Sold Aug 2024£100,000 | 3 Bed House53, Brynmor Road, Llanelli, SA15 2TF53, Brynmor Road, Llanelli, SA15 2TF
• Sold Aug 2024£145,000 | 3 Bed House26, Downing Street, Llanelli, SA15 2UA26, Downing Street, Llanelli, SA15 2UA
• Sold Jul 2024£109,000 | 3 Bed House3, Amos Street, Llanelli, SA15 2TU3, Amos Street, Llanelli, SA15 2TU
• Sold Jun 2024£126,500 | 3 Bed House3, High Street, Llanelli, SA15 2RF3, High Street, Llanelli, SA15 2RF
• Sold May 2024£119,500 | 3 Bed House1, Downing Street, Llanelli, SA15 2UA1, Downing Street, Llanelli, SA15 2UA
• Sold Apr 2024£124,950 | 3 Bed House10, Pemberton Street, Llanelli, SA15 2RB10, Pemberton Street, Llanelli, SA15 2RB
• Sold Dec 2023£120,000 | 3 Bed House49, Brynmor Road, Llanelli, SA15 2TF49, Brynmor Road, Llanelli, SA15 2TF
• Sold Aug 2023£107,500 | 3 Bed House34, Pemberton Street, Llanelli, SA15 2RB34, Pemberton Street, Llanelli, SA15 2RB
• Sold Jun 2023£115,000 | 3 Bed House17, Ralph Terrace, Llanelli, SA15 2UB17, Ralph Terrace, Llanelli, SA15 2UB
• Sold Jun 2023£153,500 | 3 Bed House9, Downing Street, Llanelli, SA15 2UA9, Downing Street, Llanelli, SA15 2UA
• Sold Apr 2023£125,000 | 3 Bed House23, Downing Street, Llanelli, SA15 2UA23, Downing Street, Llanelli, SA15 2UA
• Sold Jun 2022£123,000 | 3 Bed House12, Lakefield Road, Llanelli, SA15 2UE12, Lakefield Road, Llanelli, SA15 2UE
• Sold Sep 2021£87,000 | 3 Bed House39, Pemberton Street, Llanelli, SA15 2RB39, Pemberton Street, Llanelli, SA15 2RB
• Sold Jun 2021£95,000 | 3 Bed House41, Brynmor Road, Llanelli, SA15 2TF41, Brynmor Road, Llanelli, SA15 2TF

Of the 26 addresses on Downing Street, Llanelli, SA15, 20, Downing Street, Llanelli comes out as the 16th largest and the 16th most expensive in our analysis of the public data.

It is also £59k less expensive than the average property across the SA15 district.

• Llanelli

  |

  500 m away
• Bynea

  |

  4.6 km away
• Pembrey & Burry Port

  |

  5.8 km away

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