HM Land Registry records the plot of land for Onnen, Carmarthen as measuring 1,383 m².

That makes it the 7th largest plot in the postcode, where 33 of the 43 other houses have recorded plot data.

Onnen, Carmarthen has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Aug 2020.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (oil).

The most recent sale of Onnen, Carmarthen completed on 4th December 2020 at £286,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 8.8% over the period since December 2020.

• Sold Dec 2020£286,000
• Sold Nov 2014£177,000

Since 2012 74 properties similar to Onnen, Carmarthen have sold within a radius of 8.3 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 15th May 2026, was Ty Newydd, Llandeilo, SA19 7LY, a freehold house which sold for £250,000.

Read more about house prices in SA32.

• Sold May 2026£250,000 | 3 Bed HouseTy Newydd, Llandeilo, SA19 7LYTy Newydd, Llandeilo, SA19 7LY
• Sold Sep 2025£290,000 | 4 Bed HouseDisgwylfa, Abergorlech Road, Carmarthen, SA32 7BJDisgwylfa, Abergorlech Road, Carmarthen, SA32 7BJ
• Sold Feb 2025£300,000 | 4 Bed HouseTroedrhiwfelda, Carmarthen, SA32 7PTTroedrhiwfelda, Carmarthen, SA32 7PT
• Sold Jun 2024£152,923 | 3 Bed HouseBennachie, Llandeilo, SA19 7LYBennachie, Llandeilo, SA19 7LY
• Sold Dec 2023£185,950 | 3 Bed HouseRhoslan, Llandeilo, SA19 7LYRhoslan, Llandeilo, SA19 7LY
• Sold May 2023£425,000 | 4 Bed HouseBwlch Y Llidiart, Llandeilo, SA19 7TEBwlch Y Llidiart, Llandeilo, SA19 7TE
• Sold Feb 2022£600,000 | 4 Bed HouseTir Pant, Llandeilo, SA19 7EPTir Pant, Llandeilo, SA19 7EP
• Sold Nov 2021£290,000 | 4 Bed HouseLlystyn Cottage, Carmarthen, SA32 7QYLlystyn Cottage, Carmarthen, SA32 7QY
• Sold Mar 2021£290,000 | 3 Bed HouseEfail Fach, Carmarthen, SA32 7BWEfail Fach, Carmarthen, SA32 7BW
• Sold Mar 2021£420,000 | 4 Bed HouseDolwerdd, Llandeilo, SA19 7HBDolwerdd, Llandeilo, SA19 7HB
• Sold Oct 2020£355,000 | 3 Bed HouseAberdeunant, Llandeilo, SA19 7LYAberdeunant, Llandeilo, SA19 7LY
• Sold Sep 2020£180,000 | 3 Bed HouseBrynhyfryd, Carmarthen, SA32 7TGBrynhyfryd, Carmarthen, SA32 7TG
• Sold Sep 2019£172,000 | 3 Bed HouseHaulfryn, Carmarthen, SA32 7TGHaulfryn, Carmarthen, SA32 7TG
• Sold Jun 2018£173,500 | 4 Bed HouseY Freuddwyd, Carmarthen, SA32 7TGY Freuddwyd, Carmarthen, SA32 7TG
• Sold Mar 2018£160,000 | 3 Bed HouseFrondeg, Carmarthen, SA32 8SAFrondeg, Carmarthen, SA32 8SA
• Sold Jul 2017£400,000 | 4 Bed HouseTynewydd, Llandeilo, SA19 7TRTynewydd, Llandeilo, SA19 7TR
• Sold Aug 2016£233,500 | 3 Bed HouseMeillionen, Carmarthen, SA32 7QZMeillionen, Carmarthen, SA32 7QZ
• Sold Jul 2015£140,000 | 3 Bed HouseBronsannon, Carmarthen, SA32 7TGBronsannon, Carmarthen, SA32 7TG
• Sold Jan 2015£210,000 | 3 Bed HouseRallt, Llanfynydd Road, Carmarthen, SA32 7DDRallt, Llanfynydd Road, Carmarthen, SA32 7DD
• Sold Mar 2012£176,500 | 4 Bed HouseSchool House, Carmarthen, SA32 7RASchool House, Carmarthen, SA32 7RA

Of the 155 addresses on Llanfynydd, Carmarthen, SA32, Onnen, Carmarthen comes out as the 65th largest and the 48th most expensive in our analysis of the public data.

It is also £72k more expensive than the average property across the SA32 district.

• Llandeilo

  |

  8.9 km away
• Ffairfach

  |

  9.4 km away
• Llandybie

  |

  12.9 km away

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