| 24, St. Marys Avenue, Barry | Freehold | 119 m² | £130,000 (2018) |
| 28, St. Marys Avenue, Barry | Freehold | 91 m² | £184,000 (2023) |
| 30, St. Marys Avenue, Barry | Freehold | 95 m² | £170,000 (2023) |
| 32, St. Marys Avenue, Barry | - | 96 m² | - |
| 34, St. Marys Avenue, Barry | Freehold | 98 m² | £39,000 (1999) |
| 36, St. Marys Avenue, Barry | - | 101 m² | - |
| 38, St. Marys Avenue, Barry | Freehold | 96 m² | £115,000 (2016) |
| 40, St. Marys Avenue, Barry | - | 103 m² | - |
| 42, St. Marys Avenue, Barry | - | 96 m² | - |
| 46, St. Marys Avenue, Barry | - | 103 m² | - |
| 48, St. Marys Avenue, Barry | - | 115 m² | - |
| 50 St. Marys Avenue, Barry | Freehold | 93 m² | £129,950 (2018) |
| 52 St. Marys Avenue, Barry | Freehold | 89 m² | £20,000 (1997) |
| 54, St. Marys Avenue, Barry | - | 92 m² | - |
| 56 St. Marys Avenue, Barry | - | 95 m² | - |
| 58, St. Marys Avenue, Barry | - | 101 m² | - |
| 60, St. Marys Avenue, Barry | - | 100 m² | - |
| 62 St. Marys Avenue, Barry | Freehold | 109 m² | £116,000 (2012) |
| 64, St. Marys Avenue, Barry | Freehold | 104 m² | £65,000 (2003) |
| 66, St. Marys Avenue, Barry | Freehold | 108 m² | £122,500 (2017) |
| 68 St. Marys Avenue, Barry | Freehold | 96 m² | £100,000 (2005) |
| 70 St. Marys Avenue, Barry | Freehold | 111 m² | £101,000 (2010) |
| 72 St. Marys Avenue, Barry | Freehold | 111 m² | £206,000 (2022) |
| 74, St. Marys Avenue, Barry | - | 114 m² | - |
| 76, St. Marys Avenue, Barry | - | 108 m² | - |
| 78, St. Marys Avenue, Barry | - | 92 m² | - |
| 80 St. Marys Avenue, Barry | Freehold | 107 m² | £124,500 (2017) |
| 82 St. Marys Avenue, Barry | Freehold | 91 m² | £120,000 (2014) |
| 84, St. Marys Avenue, Barry | - | 110 m² | - |
| 86 St. Marys Avenue, Barry | - | 89 m² | - |
| 88, St. Marys Avenue, Barry | - | 118 m² | - |
| 90, St. Marys Avenue, Barry | Freehold | 86 m² | £39,995 (2000) |
| 92, St. Marys Avenue, Barry | - | 89 m² | - |
| 94, St. Marys Avenue, Barry | - | 93 m² | - |
| 96 St. Marys Avenue, Barry | Freehold | 89 m² | £207,500 (2025) |
| 98 St. Marys Avenue, Barry | Freehold | 88 m² | £54,000 (2002) |
| 100, St. Marys Avenue, Barry | Freehold | 118 m² | £96,500 (2012) |
| 102, St. Marys Avenue, Barry | - | 102 m² | - |
| 104 St. Marys Avenue, Barry | Freehold | 100 m² | £105,500 (2006) |
| 106 St. Marys Avenue, Barry | Freehold | 54 m² | £134,000 (2022) |