| 1A Montgomery Street, Roath, Cardiff | - | 26 m² | - |
| 2, Montgomery Street, Cardiff | - | 131 m² | - |
| 3, Montgomery Street, Cardiff | - | 54 m² | - |
| 3A Montgomery Street, Cardiff | Leasehold | 66 m² | £148,000 (2017) |
| 5, Montgomery Street, Cardiff | Freehold | 125 m² | £190,000 (2014) |
| 6, Montgomery Street, Cardiff | Freehold | 123 m² | £326,000 (2017) |
| 7 Montgomery Street, Cardiff | - | 124 m² | - |
| 9, Montgomery Street, Cardiff | Freehold | 125 m² | £300,000 (2019) |
| 12A Montgomery Street, Roath, Cardiff, Cardiff | - | 202 m² | - |
| 13, Montgomery Street, Cardiff | - | 122 m² | - |
| 14, Montgomery Street, Cardiff | Freehold | 148 m² | £315,000 (2017) |
| 15, Montgomery Street, Cardiff | Freehold | 118 m² | £209,950 (2014) |
| 16 Montgomery Street, Cardiff | Freehold | 113 m² | £350,000 (2025) |
| 18, Montgomery Street, Cardiff | Freehold | 113 m² | £250,000 (2016) |
| 19, Montgomery Street, Cardiff | - | 115 m² | - |
| 23, Montgomery Street, Cardiff | Freehold | 66 m² | £144,000 (2011) |
| 24 Montgomery Street, Cardiff | Freehold | 146 m² | £443,000 (2025) |
| First Floor Massionette, 1 Montgomery Street, Roath, Cardiff | - | - | - |
| First Floor, 21 Montgomery Street, Cardiff | - | 52 m² | - |
| Ground Floor Flat, 21 Montgomery Street, Roath, Cardiff | - | 48 m² | - |