HM Land Registry records the plot of land for 20, Bonllwyn, Ammanford as measuring 255 m².

That makes it the 26th largest plot in the postcode, where 41 of the 52 other houses have recorded plot data.

20, Bonllwyn, Ammanford has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 21 Sep 2016.

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

The most recent sale of 20, Bonllwyn, Ammanford completed on 1st September 2021 at £168,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 3 times.

Values of comparable properties have dropped by 4.7% over the period since September 2021.

• Sold Sep 2021£168,000
• Sold Apr 2017£125,000
• Sold Jun 2015£65,500

Since 2007 116 properties similar to 20, Bonllwyn, Ammanford have sold within a radius of 1.2 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 2nd March 2026, was 54, Bonllwyn, Ammanford, SA18 2EF, a freehold house which sold for £155,000.

Read more about house prices in SA18.

• Sold Mar 2026£155,000 | 3 Bed House54, Bonllwyn, Ammanford, SA18 2EF54, Bonllwyn, Ammanford, SA18 2EF
• Sold Feb 2026£165,000 | 3 Bed House31, Harold Street, Ammanford, SA18 2DG31, Harold Street, Ammanford, SA18 2DG
• Sold Dec 2025£135,000 | 3 Bed House15, Bonllwyn, Ammanford, SA18 2EF15, Bonllwyn, Ammanford, SA18 2EF
• Sold Dec 2025£120,000 | 3 Bed House32, Arthur Street, Ammanford, SA18 2DR32, Arthur Street, Ammanford, SA18 2DR
• Sold Nov 2025£165,000 | 3 Bed House7, Riverway, Ammanford, SA18 2EW7, Riverway, Ammanford, SA18 2EW
• Sold Oct 2025£130,000 | 3 Bed House30, Bonllwyn, Ammanford, SA18 2EF30, Bonllwyn, Ammanford, SA18 2EF
• Sold Jul 2025£162,000 | 3 Bed House27, Llandybie Road, Ammanford, SA18 2DP27, Llandybie Road, Ammanford, SA18 2DP
• Sold Jun 2025£142,500 | 3 Bed House13, Harold Street, Ammanford, SA18 2DG13, Harold Street, Ammanford, SA18 2DG
• Sold Apr 2025£138,000 | 3 Bed House48, Bonllwyn, Ammanford, SA18 2EF48, Bonllwyn, Ammanford, SA18 2EF
• Sold Oct 2024£186,000 | 3 Bed House19, Arthur Street, Ammanford, SA18 2DR19, Arthur Street, Ammanford, SA18 2DR
• Sold Aug 2023£138,500 | 3 Bed House14, Station Road, Ammanford, SA18 2DD14, Station Road, Ammanford, SA18 2DD
• Sold Jul 2023£115,000 | 3 Bed House2, Harold Street, Ammanford, SA18 2DF2, Harold Street, Ammanford, SA18 2DF
• Sold Aug 2021£100,000 | 3 Bed House6, Bonllwyn, Ammanford, SA18 2EF6, Bonllwyn, Ammanford, SA18 2EF
• Sold Dec 2020£138,000 | 3 Bed House9, Bonllwyn, Ammanford, SA18 2EF9, Bonllwyn, Ammanford, SA18 2EF
• Sold Apr 2020£113,000 | 3 Bed House46, Bonllwyn, Ammanford, SA18 2EF46, Bonllwyn, Ammanford, SA18 2EF
• Sold May 2019£104,000 | 3 Bed House12, Bonllwyn, Ammanford, SA18 2EF12, Bonllwyn, Ammanford, SA18 2EF
• Sold Jan 2018£120,000 | 3 Bed House11, Bonllwyn, Ammanford, SA18 2EF11, Bonllwyn, Ammanford, SA18 2EF
• Sold Jun 2017£110,000 | 3 Bed House16, Bonllwyn, Ammanford, SA18 2EF16, Bonllwyn, Ammanford, SA18 2EF
• Sold Aug 2016£115,000 | 3 Bed House38, Bonllwyn, Ammanford, SA18 2EF38, Bonllwyn, Ammanford, SA18 2EF
• Sold Oct 2007£105,000 | 3 Bed House44, Bonllwyn, Ammanford, SA18 2EF44, Bonllwyn, Ammanford, SA18 2EF

Of the 54 addresses on Bonllwyn, Ammanford, SA18, 20, Bonllwyn, Ammanford comes out as the 47th largest and the 44th most expensive in our analysis of the public data.

It is also £57k less expensive than the average property across the SA18 district.

• Ammanford

  |

  800 m away
• Pantyffynnon

  |

  2.8 km away
• Llandybie

  |

  3.1 km away

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