| 1, Catherine Street, Llanelli | - | 61 m² | - |
| 3, Catherine Street, Llanelli | Freehold | 71 m² | £85,000 (2021) |
| 5 Catherine Street, Llanelli | Freehold | 70 m² | £61,600 (2017) |
| 7, Catherine Street, Llanelli | Freehold | 66 m² | £72,500 (2019) |
| 9 Catherine Street, Llanelli | Freehold | 70 m² | £76,000 (2005) |
| 11 Catherine Street, Llanelli | Freehold | 54 m² | £102,000 (2022) |
| 13-15 Catherine Street, Llanelli | - | 128 m² | - |
| 17, Catherine Street, Llanelli | Freehold | 67 m² | £73,500 (2019) |
| 18, Catherine Street, Llanelli | - | 102 m² | - |
| 21, Catherine Street, Llanelli | Freehold | 67 m² | £63,500 (2010) |
| 22 Catherine Street, Llanelli | - | 80 m² | - |
| 23 Catherine Street, Llanelli | Freehold | 69 m² | £92,000 (2023) |
| 24 Catherine Street, Llanelli, Llanelli | Freehold | 77 m² | £23,000 (2000) |
| 25 Catherine Street, Llanelli, Llanelli | Freehold | 68 m² | £82,500 (2007) |
| 26 Catherine Street, Llanelli | - | 101 m² | - |
| 27 Catherine Street, Llanelli | - | 76 m² | - |
| 28, Catherine Street, Llanelli | - | 78 m² | - |
| 30 Catherine Street, Llanelli | Freehold | 118 m² | £45,000 (2012) |
| 33, Catherine Street, Llanelli | Freehold | 75 m² | £109,000 (2024) |
| 34, Catherine Street, Llanelli | Freehold | 84 m² | £85,000 (2010) |
| 35 Catherine Street, Llanelli | - | 81 m² | - |
| 36 Catherine Street, Llanelli, Llanelli | - | 93 m² | - |
| 38 Catherine Street, Llanelli, Llanelli | - | 71 m² | - |
| 40 Catherine Street, Llanelli | Freehold | 90 m² | £118,000 (2025) |
| 42 Catherine Street, Llanelli | Freehold | 76 m² | £132,000 (2025) |
| 44 Catherine Street, Llanelli | Freehold | 74 m² | £76,500 (2017) |
| 46, Catherine Street, Llanelli | Freehold | 74 m² | £76,000 (2016) |
| 50 Catherine Street, Llanelli, Llanelli | Freehold | 79 m² | £137,500 (2025) |