| 1 Glanlay Street, Mountain Ash | Freehold | 72 m² | £50,000 (2006) |
| 2, Glanlay Street, Mountain Ash | - | 58 m² | - |
| 3 Glanlay Street, Mountain Ash | Freehold | 69 m² | £127,500 (2026) |
| 5 Glanlay Street, Mountain Ash | Freehold | 73 m² | £50,000 (2013) |
| 7 Glanlay Street, Mountain Ash | Freehold | 69 m² | £12,500 (2001) |
| 8 Glanlay Street, Mountain Ash | - | 72 m² | - |
| 9 Glanlay Street, Mountain Ash | - | 49 m² | - |
| 11 Glanlay Street, Mountain Ash | Freehold | 83 m² | £95,000 (2026) |
| 12, Glanlay Street, Mountain Ash | Freehold | 70 m² | £53,995 (2019) |
| 13, Glanlay Street, Mountain Ash | - | 72 m² | - |
| 14, Glanlay Street, Mountain Ash | Freehold | 67 m² | £44,210 (2010) |
| 15, Glanlay Street, Mountain Ash | Freehold | 77 m² | £50,000 (2017) |
| 18 Glanlay Street, Mountain Ash | - | 57 m² | - |
| 19, Glanlay Street, Mountain Ash | - | 72 m² | - |
| 20, Glanlay Street, Mountain Ash | Freehold | 78 m² | £77,500 (2021) |
| 21 Glanlay Street, Penrhiwceiber, Mountain Ash, Mountain Ash | Freehold | 60 m² | £39,000 (2021) |
| 26 Glanlay Street, Mountain Ash | - | 70 m² | - |
| 27, Glanlay Street, Mountain Ash | Freehold | 86 m² | £45,000 (2015) |
| 28, Glanlay Street, Mountain Ash | - | 84 m² | - |
| 30, Glanlay Street, Mountain Ash | Freehold | 67 m² | £115,000 (2025) |
| 34, Glanlay Street, Mountain Ash | Freehold | 80 m² | £60,000 (2017) |
| 35 Glanlay Street, Mountain Ash | Freehold | 64 m² | £38,000 (2018) |
| 37 Glanlay Street, Mountain Ash | Freehold | 72 m² | £45,000 (2014) |
| 38, Glanlay Street, Mountain Ash | Freehold | 78 m² | £90,000 (2022) |
| 39 Glanlay Street, Mountain Ash | Freehold | 74 m² | £150,000 (2025) |
| 40 Glanlay Street, Mountain Ash | - | 77 m² | - |
| 41, Glanlay Street, Mountain Ash | Freehold | 67 m² | £60,000 (2010) |
| 42, Glanlay Street, Mountain Ash | Freehold | 70 m² | £57,635 (2007) |
| 43 Glanlay Street, Mountain Ash | Freehold | 90 m² | £80,000 (2015) |
| 44, Glanlay Street, Mountain Ash | - | 92 m² | - |
| 46, Glanlay Street, Mountain Ash | Freehold | 96 m² | £52,000 (2012) |
| 48 Glanlay Street, Mountain Ash | - | 91 m² | - |
| 49, Glanlay Street, Mountain Ash | Freehold | 109 m² | £69,000 (2006) |