| 2, Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 99 m² | £117,000 (2019) |
| 3 Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 111 m² | £180,000 (2025) |
| 7-8, Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 159 m² | £154,000 (2019) |
| 9, Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 81 m² | £75,000 (2005) |
| 11, Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 71 m² | £64,000 (2020) |
| 17 Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 79 m² | £102,000 (2025) |
| 18, Cottrell Street, Aberfan, Merthyr Tydfil | - | 85 m² | - |
| 21 Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 94 m² | £123,000 (2025) |
| 22 Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 92 m² | £53,000 (2015) |
| 23 Cottrell Street, Aberfan, Merthyr Tydfil, Merthyr Tydfil | Freehold | 122 m² | £150,000 (2024) |
| 26, Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 131 m² | £39,000 (2002) |
| 27, Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 107 m² | £185,000 (2024) |
| 28 Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 118 m² | £159,995 (2022) |
| 30, Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 96 m² | £83,200 (2024) |
| 31 Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 99 m² | £44,000 (2000) |
| 32, Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 111 m² | £24,500 (1997) |
| 33 Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 103 m² | £34,000 (2003) |
| 34, Cottrell Street, Aberfan, Merthyr Tydfil | - | 69 m² | - |
| 36, Cottrell Street, Aberfan, Merthyr Tydfil | - | 89 m² | - |
| 39, Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 89 m² | £49,950 (2016) |
| 41 Cottrell Street, Aberfan, Merthyr Tydfil | - | 91 m² | - |
| 42, Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 100 m² | £25,000 (1999) |
| 44 Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 98 m² | £50,500 (2011) |
| 45, Cottrell Street, Aberfan, Merthyr Tydfil | - | 71 m² | - |
| 47, Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 85 m² | £95,000 (2009) |
| 48, Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 68 m² | £13,000 (2000) |
| 49 Cottrell Street, Aberfan, Merthyr Tydfil | Freehold | 87 m² | £21,735 (1999) |