| 31 Castle Road, Builth Wells, LD2 3EG | Dec 2024 | £172,500 | Semi-detached | Freehold |
| 29 Castle Road, Builth Wells, LD2 3EG | Sep 2024 | £250,000 | Semi-detached | Freehold |
| 1 Castle Road, Builth Wells, LD2 3EG | Jun 2024 | £170,000 | Other property | Freehold |
| Caetansy Castle Road, Builth Wells, LD2 3EG | Feb 2024 | £310,000 | Other property | Freehold |
| 8 Castle Road, Builth Wells, LD2 3EG | Sep 2022 | £210,000 | Detached | Freehold |
| 45 Castle Road, Builth Wells, LD2 3EG | Jun 2021 | £100,000 | Detached | Freehold |
| 47 Castle Road, Builth Wells, LD2 3EG | Jul 2020 | £110,000 | Semi-detached | Freehold |
| 4 Castle Road, Builth Wells, LD2 3EG | Aug 2017 | £130,000 | Semi-detached | Freehold |
| 39 Castle Road, Builth Wells, LD2 3EG | Nov 2016 | £73,500 | Terraced | Freehold |
| 11A Castle Road, Builth Wells, LD2 3EG | Dec 2015 | £105,000 | Terraced | Freehold |
| 12 Castle Road, Builth Wells, LD2 3EG | Nov 2012 | £100,000 | Terraced | Freehold |
| 25 Castle Road, Builth Wells, LD2 3EG | Aug 2012 | £109,000 | Semi-detached | Freehold |
| 41 Castle Road, Builth Wells, LD2 3EG | Feb 2012 | £94,000 | Terraced | Freehold |
| 27 Castle Road, Builth Wells, LD2 3EG | Jul 2009 | £105,000 | Semi-detached | Freehold |
| 21 Castle Road, Builth Wells, LD2 3EG | Mar 2002 | £40,000 | Semi-detached | Freehold |
| 11 Castle Road, Builth Wells, LD2 3EG | Nov 2000 | £32,000 | Terraced | Freehold |
| 35 Castle Road, Builth Wells, LD2 3EG | May 1998 | £35,000 | Terraced | Freehold |