| 55, Old Castle Road, Llanelli | Freehold | 65 m² | £92,000 (2025) |
| 63, Old Castle Road, Llanelli | Freehold | 69 m² | £105,000 (2025) |
| 65 Old Castle Road, Llanelli | Freehold | 64 m² | £64,000 (2015) |
| 67, Old Castle Road, Llanelli | Freehold | 72 m² | £89,000 (2024) |
| 77 Old Castle Road, Llanelli | Freehold | 81 m² | £128,000 (2023) |
| 81, Old Castle Road, Llanelli | Freehold | 90 m² | £29,000 (2001) |
| 83 Old Castle Road, Llanelli | Freehold | 91 m² | £85,000 (2005) |
| 85 Old Castle Road, Llanelli | Freehold | 84 m² | £120,000 (2024) |
| 87, Old Castle Road, Llanelli | Freehold | 89 m² | £91,500 (2018) |
| 89 Old Castle Road, Llanelli | Freehold | 89 m² | £13,000 (1998) |
| 93, Old Castle Road, Llanelli | Freehold | 86 m² | £45,000 (2004) |
| 95 Old Castle Road, Llanelli | Freehold | 80 m² | £65,000 (2018) |
| 97 Old Castle Road, Llanelli | Freehold | 82 m² | £115,000 (2021) |
| 103 Old Castle Road, Llanelli | Freehold | 93 m² | £97,000 (2022) |
| 107 Old Castle Road, Llanelli | Freehold | 87 m² | £89,000 (2008) |
| 111 Old Castle Road, Llanelli | Freehold | 79 m² | £71,000 (2012) |
| 113, Old Castle Road, Llanelli | Freehold | 91 m² | £98,000 (2017) |
| 115 Old Castle Road, Llanelli | Freehold | 79 m² | £60,000 (2013) |
| 116 Old Castle Road, Llanelli, Carmarthenshire, Sa15 2Sn, Llanelli | Freehold | 84 m² | £127,500 (2007) |
| 117 Old Castle Road, Llanelli | Freehold | 79 m² | £126,000 (2025) |
| 118 Old Castle Road, Llanelli | Freehold | 86 m² | £93,000 (2008) |
| 119 Old Castle Road, Llanelli | Freehold | 114 m² | £155,000 (2025) |
| 120, Old Castle Road, Llanelli | Freehold | 102 m² | £90,000 (2017) |
| 121 Old Castle Road, Llanelli | Freehold | 96 m² | £39,000 (1997) |
| 123 Old Castle Road, Llanelli | Freehold | 104 m² | £70,000 (2023) |
| 125, Old Castle Road, Llanelli | Freehold | 90 m² | £58,000 (2003) |
| 127 Old Castle Road, Llanelli | - | 96 m² | - |
| 129, Old Castle Road, Llanelli | Freehold | 94 m² | £106,000 (2018) |
| 131 Old Castle Road, Llanelli | Freehold | 112 m² | £155,000 (2022) |