| 1 Aberpennar Street, Mountain Ash | Freehold | 111 m² | £140,000 (2023) |
| 2, Aberpennar Street, Mountain Ash | Freehold | 94 m² | £87,500 (2020) |
| 3 Aberpennar Street, Mountain Ash | Freehold | 99 m² | £120,000 (2024) |
| 5, Aberpennar Street, Mountain Ash | - | 147 m² | - |
| 10 Aberpennar Street, Mid Glamorgan | - | 86 m² | - |
| 11 Aberpennar Street, Mountain Ash | Freehold | 112 m² | £85,000 (2010) |
| 12, Aberpennar Street, Mountain Ash | Freehold | 103 m² | £92,000 (2015) |
| 14, Aberpennar Street, Mountain Ash | Freehold | 108 m² | £89,950 (2010) |
| 17 Aberpennar Street, Mountain Ash | Freehold | 121 m² | £129,950 (2021) |
| 18 Aberpennar Street, Mountain Ash | Freehold | 127 m² | £109,950 (2012) |
| 19, Aberpennar Street, Mountain Ash | Freehold | 119 m² | £145,000 (2022) |
| 20, Aberpennar Street, Mountain Ash | Freehold | 100 m² | £38,500 (1998) |
| 25, Aberpennar Street, Mountain Ash | Freehold | 114 m² | £111,000 (2017) |
| 26, Aberpennar Street, Mountain Ash | Freehold | 96 m² | £53,000 (2012) |
| 28, Aberpennar Street, Mountain Ash | Freehold | 94 m² | £80,500 (2020) |
| 31 Aberpennar Street, Mountain Ash | - | 91 m² | - |
| 32, Aberpennar Street, Mountain Ash | Freehold | 117 m² | £25,500 (2003) |
| 35 Aberpennar Street, Mountain Ash | - | 86 m² | - |
| 37, Aberpennar Street, Mountain Ash | Freehold | 114 m² | £39,000 (2002) |
| 38, Aberpennar Street, Mountain Ash | Freehold | 120 m² | £157,000 (2025) |
| 40 Aberpennar Street, Mountain Ash | Freehold | 87 m² | £10,750 (2003) |
| 41 Aberpennar Street, Mid Glamorgan | - | 101 m² | - |
| 43 Aberpennar Street, Mountain Ash | Freehold | 96 m² | £105,000 (2024) |
| 46 Aberpennar Street, Mountain Ash | Freehold | 93 m² | £114,000 (2024) |
| 47 Aberpennar Street, Mountain Ash | Freehold | 93 m² | £110,000 (2024) |
| 50, Aberpennar Street, Mountain Ash | Freehold | 88 m² | £82,500 (2015) |