| 1, Avondale Street, Abercynon, Mountain Ash | - | 95 m² | - |
| 2, Avondale Street, Abercynon, Mountain Ash | - | 91 m² | - |
| 3, Avondale Street, Abercynon, Mountain Ash | - | 73 m² | - |
| 4, Avondale Street, Abercynon, Mountain Ash | - | 82 m² | - |
| 5, Avondale Street, Abercynon, Mountain Ash | - | 82 m² | - |
| 6, Avondale Street, Abercynon, Mountain Ash | - | 84 m² | - |
| 8, Avondale Street, Abercynon, Mountain Ash | Freehold | 68 m² | £118,000 (2021) |
| 10 Avondale Street, Abercynon, Mountain Ash | - | 76 m² | - |
| 11, Avondale Street, Abercynon, Mountain Ash | Freehold | 70 m² | £110,000 (2019) |
| 12, Avondale Street, Abercynon, Mountain Ash | - | 59 m² | - |
| 13 Avondale Street, Abercynon, Mountain Ash | Freehold | 80 m² | £16,000 (1997) |
| 15 Avondale Street, Abercynon, Mountain Ash | Freehold | 70 m² | £15,000 (2004) |
| 16, Avondale Street, Abercynon, Mountain Ash | Freehold | 87 m² | £57,000 (2008) |
| 18 Avondale Street, Abercynon, Mountain Ash | Freehold | 60 m² | £135,000 (2025) |
| 21, Avondale Street, Abercynon, Mountain Ash | Freehold | 94 m² | £10,000 (2001) |
| 24, Avondale Street, Abercynon, Mountain Ash | Freehold | 95 m² | £99,000 (2014) |
| 25, Avondale Street, Abercynon, Mountain Ash | - | 62 m² | - |
| 26, Avondale Street, Abercynon, Mountain Ash | Freehold | 76 m² | £45,000 (2016) |
| 28 Avondale Street, Abercynon, Mountain Ash | - | 58 m² | - |
| 29 Avondale Street, Abercynon, Mountain Ash | - | 63 m² | - |
| 30, Avondale Street, Abercynon, Mountain Ash | Freehold | 86 m² | £48,000 (2011) |
| 32, Avondale Street, Abercynon, Mountain Ash | Freehold | 64 m² | £62,000 (2020) |
| 33 Avondale Street, Abercynon, Mountain Ash | Freehold | 107 m² | £95,000 (2014) |