21, Lon Hir, Carmarthen occupies a 292 m² plot as recorded by HM Land Registry.

Of the 37 other houses in this postcode, 34 have recorded plot sizes, and this one ranks as the 23rd largest.

21, Lon Hir, Carmarthen has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Aug 2020.

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

21, Lon Hir, Carmarthen last changed hands on 24th August 2007, selling for £145,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 92.4% since August 2007.

• Sold Aug 2007£145,000

Land Registry records and our Estate Agent network show 93 sales of comparable properties within 610 metres of 21, Lon Hir, Carmarthen since 2014.

Most recently, 20, College Road, Carmarthen, SA31 3EG, a freehold house, sold at £191,000 on the 2nd April 2026.

Read more about house prices in SA31.

• Sold Apr 2026£191,000 | 3 Bed House20, College Road, Carmarthen, SA31 3EG20, College Road, Carmarthen, SA31 3EG
• Sold Jul 2025£210,000 | 3 Bed House28, Knoll Gardens, Carmarthen, SA31 3EJ28, Knoll Gardens, Carmarthen, SA31 3EJ
• Sold Mar 2025£177,000 | 3 Bed House39, Fountain Hall Terrace, Carmarthen, SA31 1RN39, Fountain Hall Terrace, Carmarthen, SA31 1RN
• Sold Oct 2024£190,000 | 3 Bed House16, Brewery Road, Carmarthen, SA31 1TB16, Brewery Road, Carmarthen, SA31 1TB
• Sold Jun 2024£143,000 | 3 Bed House18, Knoll Gardens, Carmarthen, SA31 3EJ18, Knoll Gardens, Carmarthen, SA31 3EJ
• Sold Mar 2024£200,000 | 3 Bed House19, The Grove, Carmarthen, SA31 3JH19, The Grove, Carmarthen, SA31 3JH
• Sold Mar 2024£235,000 | 3 Bed House3, Lime Grove Avenue, Carmarthen, SA31 1SW3, Lime Grove Avenue, Carmarthen, SA31 1SW
• Sold Aug 2023£175,000 | 3 Bed House37, Brewery Road, Carmarthen, SA31 1TB37, Brewery Road, Carmarthen, SA31 1TB
• Sold Jul 2023£215,000 | 3 Bed House5, Lime Grove Avenue, Carmarthen, SA31 1SW5, Lime Grove Avenue, Carmarthen, SA31 1SW
• Sold Jan 2023£195,000 | 3 Bed House54, College Road, Carmarthen, SA31 3EG54, College Road, Carmarthen, SA31 3EG
• Sold Dec 2022£225,000 | 3 Bed House54, Lime Grove Avenue, Carmarthen, SA31 1SN54, Lime Grove Avenue, Carmarthen, SA31 1SN
• Sold Aug 2022£187,000 | 3 Bed House44, Fountain Hall Terrace, Carmarthen, SA31 1RN44, Fountain Hall Terrace, Carmarthen, SA31 1RN
• Sold Apr 2022£160,000 | 4 Bed House30, Heol Rudd, Carmarthen, SA31 1SU30, Heol Rudd, Carmarthen, SA31 1SU
• Sold Mar 2022£135,000 | 3 Bed House19, Knoll Gardens, Carmarthen, SA31 3EJ19, Knoll Gardens, Carmarthen, SA31 3EJ
• Sold Oct 2021£167,500 | 3 Bed House10, Russell Terrace, Carmarthen, SA31 1SX10, Russell Terrace, Carmarthen, SA31 1SX
• Sold Jun 2021£150,000 | 3 Bed House10, Knoll Gardens, Carmarthen, SA31 3EJ10, Knoll Gardens, Carmarthen, SA31 3EJ
• Sold Apr 2021£145,000 | 3 Bed House13, Russell Terrace, Carmarthen, SA31 1SX13, Russell Terrace, Carmarthen, SA31 1SX
• Sold Jun 2019£126,000 | 3 Bed House4, Heol Rudd, Carmarthen, SA31 1SU4, Heol Rudd, Carmarthen, SA31 1SU
• Sold Oct 2017£114,000 | 3 Bed House6, Russell Terrace, Carmarthen, SA31 1SX6, Russell Terrace, Carmarthen, SA31 1SX
• Sold Apr 2014£122,500 | 3 Bed House12, Lime Grove Avenue, Carmarthen, SA31 1SN12, Lime Grove Avenue, Carmarthen, SA31 1SN

Our analysis of the public data ranks 21, Lon Hir, Carmarthen as the 27th largest and the 26th most expensive of the 37 addresses on Lon Hir, Carmarthen, SA31.

Against the SA31 postcode district average, it is £30k less expensive than the typical property.

• Carmarthen

  |

  1.2 km away
• Ferryside

  |

  11.0 km away
• Kidwelly

  |

  14.2 km away

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