3, Prosser Close, Carmarthen occupies a 305 m² plot as recorded by HM Land Registry.

Of the 16 other houses in this postcode, 15 have recorded plot sizes, and this one ranks as the 5th largest.

3, Prosser Close, Carmarthen has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 26 Nov 2025.

The property is connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

3, Prosser Close, Carmarthen last changed hands on 30th April 2026, selling for £115,000. 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 43.0% since April 2026.

• Sold Apr 2026£115,000

Land Registry records and our Estate Agent network show 53 sales of comparable properties within 680 metres of 3, Prosser Close, Carmarthen since 2007.

Most recently, 1 Richmond Cottages, Carmarthen, SA31 1HH, a freehold house, sold at £80,000 on the 26th January 2026.

Read more about house prices in SA31.

• Sold Jan 2026£80,000 | 3 Bed House1 Richmond Cottages, Carmarthen, SA31 1HH1 Richmond Cottages, Carmarthen, SA31 1HH
• Sold Jan 2026£112,000 | 3 Bed House20, Belvedere Avenue, Carmarthen, SA31 1JE20, Belvedere Avenue, Carmarthen, SA31 1JE
• Sold Sep 2025£128,750 | 2 Bed House6 Richmond Cottages, Carmarthen, SA31 1HH6 Richmond Cottages, Carmarthen, SA31 1HH
• Sold Sep 2025£105,000 | 2 Bed House3, Myrddin Court, Carmarthen, SA31 1DH3, Myrddin Court, Carmarthen, SA31 1DH
• Sold Aug 2025£120,000 | 3 Bed House12, Belvedere Avenue, Carmarthen, SA31 1JE12, Belvedere Avenue, Carmarthen, SA31 1JE
• Sold Apr 2025£84,500 | 3 Bed House22, Priory Street, Carmarthen, SA31 1NE22, Priory Street, Carmarthen, SA31 1NE
• Sold Apr 2025£75,000 | 2 Bed House32, Priory Street, Carmarthen, SA31 1NN32, Priory Street, Carmarthen, SA31 1NN
• Sold Feb 2025£105,000 | 2 Bed House59, Belvedere Avenue, Carmarthen, SA31 1JA59, Belvedere Avenue, Carmarthen, SA31 1JA
• Sold Jan 2025£113,000 | 2 Bed House64, Belvedere Avenue, Carmarthen, SA31 1JF64, Belvedere Avenue, Carmarthen, SA31 1JF
• Sold Mar 2024£105,000 | 2 Bed House9, Myrddin Court, Carmarthen, SA31 1DH9, Myrddin Court, Carmarthen, SA31 1DH
• Sold Jul 2023£130,000 | 2 Bed House20, Little Water Street, Carmarthen, SA31 1ER20, Little Water Street, Carmarthen, SA31 1ER
• Sold May 2022£100,000 | 2 Bed House4, Ropewalk, Carmarthen, SA31 1NW4, Ropewalk, Carmarthen, SA31 1NW
• Sold Oct 2020£92,000 | 2 Bed House1, Myrddin Court, Carmarthen, SA31 1DH1, Myrddin Court, Carmarthen, SA31 1DH
• Sold Jan 2019£80,000 | 2 Bed House134, Park Hall, Carmarthen, SA31 1JQ134, Park Hall, Carmarthen, SA31 1JQ
• Sold Jul 2018£87,000 | 2 Bed House9, Prosser Close, Carmarthen, SA31 1JB9, Prosser Close, Carmarthen, SA31 1JB
• Sold Feb 2018£83,500 | 2 Bed House52, Richmond Terrace, Carmarthen, SA31 1HQ52, Richmond Terrace, Carmarthen, SA31 1HQ
• Sold Dec 2017£70,000 | 2 Bed House11, Prosser Close, Carmarthen, SA31 1JB11, Prosser Close, Carmarthen, SA31 1JB
• Sold Aug 2017£110,000 | 2 Bed House6, Myrddin Court, Carmarthen, SA31 1DH6, Myrddin Court, Carmarthen, SA31 1DH
• Sold Mar 2016£100,000 | 2 Bed House4, Myrddin Court, Carmarthen, SA31 1DH4, Myrddin Court, Carmarthen, SA31 1DH
• Sold Dec 2007£80,000 | 2 Bed House57, Richmond Terrace, Carmarthen, SA31 1HQ57, Richmond Terrace, Carmarthen, SA31 1HQ

Our analysis of the public data ranks 3, Prosser Close, Carmarthen as the 13th largest and the 13th most expensive of the 16 addresses on Prosser Close, Carmarthen, SA31.

Against the SA31 postcode district average, it is £130k less expensive than the typical property.

• Carmarthen

  |

  1.1 km away
• Ferryside

  |

  11.5 km away
• Kidwelly

  |

  14.3 km away

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