| 1 Ty Seion, Mid Glamorgan | - | 45 m² | - |
| 2 Ty Seion, Mid Glamorgan | - | 46 m² | - |
| 14 High Street, Mountain Ash | - | 71 m² | - |
| 15 High Street, Mountain Ash | Freehold | 62 m² | £26,000 (1998) |
| 18 High Street, Mountain Ash, Mountain Ash | Freehold | 76 m² | £72,000 (2021) |
| 20, High Street, Mountain Ash | Freehold | 67 m² | £75,000 (2026) |
| 26 High Street, Mountain Ash | - | 60 m² | - |
| 27 High Street, Mountain Ash | - | 51 m² | - |
| 28, High Street, Mountain Ash | - | 56 m² | - |
| 30 High Street, Mountain Ash | Freehold | 58 m² | £38,000 (2009) |
| 31 High Street, Mid Glamorgan | - | 47 m² | - |
| 32 High Street, Mountain Ash | Freehold | 63 m² | £53,000 (2026) |
| 33 High Street, Mountain Ash | Freehold | 51 m² | £44,000 (2014) |
| 34, High Street, Mountain Ash | Freehold | 57 m² | £39,999 (2018) |
| 35, High Street, Mountain Ash | Freehold | 75 m² | £64,500 (2017) |
| 36, High Street, Mountain Ash | - | 67 m² | - |
| 37, High Street, Mountain Ash | Freehold | 80 m² | £54,000 (2018) |
| 38 High Street, Mountain Ash | - | 46 m² | - |
| 39, High Street, Mountain Ash | - | 89 m² | - |
| 40 High Street, Mountain Ash | Freehold | 63 m² | £135,000 (2026) |
| 42, High Street, Mountain Ash | Freehold | 59 m² | £48,500 (2005) |
| 43, High Street, Mountain Ash | Freehold | 91 m² | £125,000 (2022) |
| 44 High Street, Mountain Ash | - | 50 m² | - |
| 45, High Street, Mountain Ash | Leasehold | 86 m² | £58,000 (2017) |
| 46 High Street, Mountain Ash, Mountain Ash | Freehold | 56 m² | £61,000 (2006) |
| 47, High Street, Mountain Ash | Freehold | 108 m² | £76,500 (2022) |
| 48, High Street, Mountain Ash | Freehold | 49 m² | £30,000 (2015) |
| 51 High Street, Mountain Ash | Freehold | 103 m² | £64,000 (2021) |
| 53 High Street, Mountain Ash, Mountain Ash | Freehold | 79 m² | £40,000 (2013) |
| 54 High Street, Mountain Ash | Freehold | 51 m² | £65,000 (2026) |
| 55 High Street, Mountain Ash | Freehold | 83 m² | £60,500 (2025) |
| 56 High Street, Mountain Ash | Leasehold | 53 m² | £58,000 (2022) |
| 57 High Street, Mountain Ash | Freehold | 73 m² | £75,000 (2025) |
| 58 High Street, Mid Glamorgan | - | 47 m² | - |
| 59 High Street, Mountain Ash | - | 51 m² | - |
| 60 High Street, Mountain Ash | - | 47 m² | - |
| 61 High Street, Mountain Ash, Mountain Ash | Freehold | 49 m² | £50,000 (2020) |
| 62 High Street, Mountain Ash | Freehold | 49 m² | £36,000 (2020) |
| 68, High Street, Mountain Ash | - | 54 m² | - |
| Bwythyn Bach, High Street, Mountain Ash | Freehold | 38 m² | £70,000 (2024) |
| Flat 3, Ty Seion, High Street, Mountain Ash | - | 40 m² | - |
| Flat 4, Ty Seion, Mountain Ash | - | 44 m² | - |
| Flat 5 Ty Seion, High Street, Mountain Ash | - | 43 m² | - |
| Flat 6, Ty Seion, High Street, Mountain Ash | - | 40 m² | - |
| Flat 7 Ty Seion, High Street, Mountain Ash | - | 45 m² | - |
| Flat 8, Ty Seion, High Street, Mountain Ash | - | 40 m² | - |
| Flat 9 Ty Seion, High Street, Mountain Ash | - | 43 m² | - |