According to data from HM Land Registry, 21 Upper Mill, Llanelli sits on a plot of 2,272 m².

We have plot size data on 17 out of 18 other houses in the postcode and 21 Upper Mill, Llanelli sits on the largest plot.

21 Upper Mill, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Jun 2016.

The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.

According to the Land Registry and our network of Estate Agents, there have been 811 property sales within 540 metres of 21 Upper Mill, Llanelli over the last 2 years.

The most recent example is 19, Lliedi Crescent, Llanelli, SA15 3SD, a freehold house which sold for £100,000 on the 5th February 2026.

Read more about house prices in SA15.

• Sold Feb 2026£100,000 | 3 Bed House19, Lliedi Crescent, Llanelli, SA15 3SD19, Lliedi Crescent, Llanelli, SA15 3SD
• Sold Jul 2023£72,500 | 3 Bed House57, Brynmelyn Avenue, Llanelli, SA15 3RU57, Brynmelyn Avenue, Llanelli, SA15 3RU
• Sold Jul 2017£89,995 | 3 Bed House53, Brynmelyn Avenue, Llanelli, SA15 3RU53, Brynmelyn Avenue, Llanelli, SA15 3RU

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

• Llanelli

  |

  1.4 km away
• Bynea

  |

  4.3 km away
• Llangennech

  |

  5.4 km away

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