20, Gelli Deg, Llanelli occupies a 254 m² plot as recorded by HM Land Registry.

Of the 48 other houses in this postcode, 45 have recorded plot sizes, and this one ranks as the 23rd largest.

20, Gelli Deg, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Oct 2025.

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

Land Registry records and our Estate Agent network show 135 sales of comparable properties within 670 metres of 20, Gelli Deg, Llanelli since 2012.

Most recently, Burlington House, Gelli Deg, Llanelli, SA14 8RY, a freehold house, sold at £180,000 on the 31st March 2026.

Read more about house prices in SA14.

• Sold Mar 2026£180,000 | 3 Bed HouseBurlington House, Gelli Deg, Llanelli, SA14 8RYBurlington House, Gelli Deg, Llanelli, SA14 8RY
• Sold Mar 2026£185,000 | 3 Bed House19, Gelli Deg, Llanelli, SA14 8RY19, Gelli Deg, Llanelli, SA14 8RY
• Sold Feb 2026£172,000 | 3 Bed House3, Heol Goffa, Llanelli, SA15 3NB3, Heol Goffa, Llanelli, SA15 3NB
• Sold Jul 2025£95,000 | 3 Bed House2, Gelli Deg, Llanelli, SA14 8RY2, Gelli Deg, Llanelli, SA14 8RY
• Sold Feb 2025£195,000 | 3 Bed House24, Gelli Deg, Llanelli, SA14 8RY24, Gelli Deg, Llanelli, SA14 8RY
• Sold Oct 2024£175,000 | 3 Bed House2, Brynelli, Llanelli, SA14 8PW2, Brynelli, Llanelli, SA14 8PW
• Sold Oct 2024£175,000 | 3 Bed House26, Ridgewood Park, Llanelli, SA15 1HX26, Ridgewood Park, Llanelli, SA15 1HX
• Sold Sep 2024£160,000 | 3 Bed House12, Ridgewood Park, Llanelli, SA15 1HX12, Ridgewood Park, Llanelli, SA15 1HX
• Sold May 2024£80,000 | 3 Bed House60, Brynheulog, Llanelli, SA14 8AE60, Brynheulog, Llanelli, SA14 8AE
• Sold Nov 2023£190,000 | 3 Bed House16, Ridgewood Park, Llanelli, SA15 1HX16, Ridgewood Park, Llanelli, SA15 1HX
• Sold Aug 2023£160,000 | 3 Bed House39, Gelli Deg, Llanelli, SA14 8RY39, Gelli Deg, Llanelli, SA14 8RY
• Sold Jul 2022£146,500 | 3 Bed House8, Ridgewood Park, Llanelli, SA15 1HX8, Ridgewood Park, Llanelli, SA15 1HX
• Sold Jul 2021£144,000 | 3 Bed House3, Rhydyrafon, Llanelli, SA15 3NU3, Rhydyrafon, Llanelli, SA15 3NU
• Sold Jun 2021£108,000 | 3 Bed House31, Gelli Deg, Llanelli, SA14 8RY31, Gelli Deg, Llanelli, SA14 8RY
• Sold Dec 2020£155,000 | 3 Bed House28, Gelli Deg, Llanelli, SA14 8RY28, Gelli Deg, Llanelli, SA14 8RY
• Sold Nov 2020£105,000 | 3 Bed House15, Gelli Deg, Llanelli, SA14 8RY15, Gelli Deg, Llanelli, SA14 8RY
• Sold Apr 2020£110,000 | 3 Bed House30, Gelli Deg, Llanelli, SA14 8RY30, Gelli Deg, Llanelli, SA14 8RY
• Sold Jun 2017£85,000 | 3 Bed House6, Gelli Deg, Llanelli, SA14 8RY6, Gelli Deg, Llanelli, SA14 8RY
• Sold Nov 2016£110,000 | 3 Bed House23, Gelli Deg, Llanelli, SA14 8RY23, Gelli Deg, Llanelli, SA14 8RY
• Sold Oct 2012£50,000 | 3 Bed House21, Gelli Deg, Llanelli, SA14 8RY21, Gelli Deg, Llanelli, SA14 8RY

Our analysis of the public data ranks 20, Gelli Deg, Llanelli as the 28th largest and the 20th most expensive of the 48 addresses on Gelli Deg, Llanelli, SA14.

Against the SA14 postcode district average, it is £4k less expensive than the typical property.

• Llanelli

  |

  1.9 km away
• Bynea

  |

  3.4 km away
• Llangennech

  |

  4.4 km away

Environment Agency data suggests this area has a Very Low risk of flooding.