| 1, Dilwyn Street, Mountain Ash | Freehold | 51 m² | £39,950 (2018) |
| 2 Dilwyn Street, Mountain Ash | Freehold | 63 m² | £61,000 (2022) |
| 3 Dilwyn Street, Mountain Ash | Freehold | 74 m² | £50,250 (2021) |
| 4 Dilwyn Street, Mountain Ash | Freehold | 64 m² | £72,000 (2021) |
| 5, Dilwyn Street, Mountain Ash | Freehold | 55 m² | £28,000 (2019) |
| 6 Dilwyn Street, Penrhiwceiber, Mid Glamorgan | - | 50 m² | - |
| 7, Dilwyn Street, Mountain Ash | Freehold | 62 m² | £25,000 (2016) |
| 8 Dilwyn Street, Penrhiwceiber, Mountain Ash, Mountain Ash | - | 57 m² | - |
| 9 Dilwyn Street, Mountain Ash | Freehold | 53 m² | £28,000 (2016) |
| 10, Dilwyn Street, Mountain Ash | - | 66 m² | - |
| 11 Dilwyn Street, Mountain Ash | Freehold | 67 m² | £52,250 (2021) |
| 12 Dilwyn Street, Penrhiwceiber, Mountain Ash, Mountain Ash | Freehold | 78 m² | £50,000 (2023) |
| 13 Dilwyn Street, Mountain Ash | Freehold | 57 m² | £56,500 (2025) |
| 15 Dilwyn Street, Mountain Ash | Freehold | 68 m² | £65,000 (2022) |
| 16, Dilwyn Street, Mountain Ash | - | 68 m² | - |
| 17 Dilwyn Street, Mountain Ash | Freehold | 56 m² | £55,000 (2007) |
| 18 Dilwyn Street, Mountain Ash | Freehold | 58 m² | £75,000 (2023) |
| 19 Dilwyn Street, Mountain Ash | Freehold | 59 m² | £73,000 (2024) |
| 22 Dilwyn Street, Mountain Ash | Freehold | 77 m² | £34,000 (2019) |
| 23 Dilwyn Street, Mountain Ash | Freehold | 51 m² | £33,000 (2015) |
| 24 Dilwyn Street, Mountain Ash | - | 56 m² | - |
| 25 Dilwyn Street, Mountain Ash | Freehold | 70 m² | £105,000 (2024) |
| 26 Dilwyn Street, Mountain Ash | Freehold | 97 m² | £45,000 (2006) |
| 27 Dilwyn Street, Penrhiwceiber, Mountain Ash, Mountain Ash | Freehold | 74 m² | £29,500 (2013) |
| 28, Dilwyn Street, Mountain Ash | Freehold | 80 m² | £44,000 (2014) |
| 29, Dilwyn Street, Mountain Ash | Freehold | 53 m² | £39,999 (2018) |
| 30 Dilwyn Street, Mountain Ash | Freehold | 84 m² | £46,500 (2006) |
| 31 Dilwyn Street, Mountain Ash | - | 59 m² | - |
| 32, Dilwyn Street, Mountain Ash | Freehold | 77 m² | £41,000 (2014) |
| 33 Dilwyn Street, Penrhiwceiber, Mountain Ash, Mountain Ash | Freehold | 59 m² | £45,000 (2007) |
| 34, Dilwyn Street, Mountain Ash | Freehold | 83 m² | £39,900 (2020) |
| 35 Dilwyn Street, Mountain Ash | - | 63 m² | - |
| 36 Dilwyn Street, Penrhiwceiber, Mountain Ash | - | 65 m² | - |
| 38 Dilwyn Street, Penrhiwceiber, Mountain Ash, Mountain Ash | - | 86 m² | - |
| 39, Dilwyn Street, Mountain Ash | Freehold | 62 m² | £21,000 (2014) |
| 40, Dilwyn Street, Mountain Ash | Freehold | 78 m² | £26,000 (2013) |
| 41 Dilwyn Street, Penrhiwceiber, Mountain Ash | - | 51 m² | - |
| 42 Dilwyn Street, Mountain Ash | Freehold | 77 m² | £30,000 (2018) |
| 43 Dilwyn Street, Mountain Ash | - | 50 m² | - |
| 44 Dilwyn Street, Penrhiwceiber, Mountain Ash | Freehold | 77 m² | £33,000 (2015) |
| 45 Dilwyn Street, Mountain Ash | - | 71 m² | - |
| 46 Dilwyn Street, Mountain Ash | - | 79 m² | - |