| 1, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 87 m² | £44,000 (1999) |
| 3, Redbrook Avenue, Trethomas, Caerphilly | - | 96 m² | - |
| 4 Redbrook Avenue, Trethomas, Caerphilly | - | 113 m² | - |
| 5, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 90 m² | £59,000 (2002) |
| 6, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 95 m² | £96,000 (2013) |
| 10, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 83 m² | £117,500 (2004) |
| 12, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 86 m² | £138,000 (2021) |
| 13 Redbrook Avenue, Trethomas, Trethomas | - | 88 m² | - |
| 14, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 88 m² | £84,950 (2002) |
| 15 Redbrook Avenue, Trethomas, Trethomas | - | 88 m² | - |
| 17, Redbrook Avenue, Trethomas, Caerphilly | - | 87 m² | - |
| 18, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 89 m² | £148,000 (2018) |
| 19 Redbrook Avenue, Trethomas, Caerphilly | Freehold | 86 m² | £189,000 (2026) |
| 20, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 94 m² | £142,000 (2019) |
| 23 Redbrook Avenue, Trethomas, Caerphilly | Freehold | 82 m² | £180,000 (2024) |
| 25 Redbrook Avenue, Trethomas, Caerphilly | Freehold | 86 m² | £172,000 (2024) |
| 29, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 105 m² | £45,000 (2002) |
| 31, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 87 m² | £104,000 (2005) |
| 33, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 93 m² | £116,500 (2012) |
| 35, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 90 m² | £108,400 (2011) |
| 37, Redbrook Avenue, Trethomas, Caerphilly | Freehold | 88 m² | £150,000 (2019) |
| 39 Redbrook Avenue, Trethomas, Caerphilly | - | 85 m² | - |