| 3, Princess Street, Llanelli | - | 74 m² | - |
| 5, Princess Street, Llanelli | Freehold | 95 m² | £107,000 (2017) |
| 7 Princess Street, Llanelli | Freehold | 108 m² | £83,000 (2020) |
| 11, Princess Street, Llanelli | Freehold | 95 m² | £95,500 (2020) |
| 13 Princess Street, Llanelli | Freehold | 110 m² | £135,000 (2024) |
| 17, Princess Street, Llanelli | Freehold | 138 m² | £87,000 (2014) |
| 19 Princess Street, Llanelli | Freehold | 98 m² | £34,500 (2003) |
| 21 Princess Street, Llanelli | Freehold | 111 m² | £125,000 (2025) |
| 27 Princess Street, Llanelli | Freehold | 89 m² | £115,000 (2023) |
| 29 Princess Street, Llanelli | Freehold | 81 m² | £75,000 (2004) |
| 31, Princess Street, Llanelli | Freehold | 100 m² | £120,000 (2024) |
| 33 Princess Street, Llanelli | Freehold | 107 m² | £62,500 (2003) |
| 43, Princess Street, Llanelli | Freehold | 90 m² | £90,000 (2011) |
| 45, Princess Street, Llanelli | Freehold | 80 m² | £76,000 (2014) |
| 47 Princess Street, Llanelli, Llanelli | Freehold | 115 m² | £57,000 (2011) |
| 51 Princess Street, Llanelli | Freehold | 93 m² | £85,500 (2013) |
| 53, Princess Street, Llanelli | Freehold | 100 m² | £33,500 (2001) |
| 57 Princess Street, Llanelli | - | 110 m² | - |
| 59 Princess Street, Llanelli | Freehold | 113 m² | £110,000 (2025) |
| 61 Princess Street, Llanelli, Llanelli | - | 113 m² | - |
| 63, Princess Street, Llanelli | Freehold | 114 m² | £87,000 (2011) |
| 65, Princess Street, Llanelli | - | 110 m² | - |
| 67 Princess Street, Llanelli | Freehold | 133 m² | £93,000 (2013) |
| 69, Princess Street, Llanelli | Freehold | 120 m² | £22,000 (2001) |