| 1, Milbourne Street, Mountain Ash | - | 88 m² | - |
| 3, Milbourne Street, Mountain Ash | Freehold | 68 m² | £26,250 (1998) |
| 4, Milbourne Street, Mountain Ash | - | 71 m² | - |
| 5, Milbourne Street, Mountain Ash | - | 70 m² | - |
| 6 Millbourne Street, Matthewstown, Mid Glamorgan | - | 74 m² | - |
| 8, Milbourne Street, Mountain Ash | Freehold | 70 m² | £40,000 (2011) |
| 10, Milbourne Street, Mountain Ash | Freehold | 72 m² | £28,000 (2004) |
| 11 Milbourne Street, Mountain Ash | - | 74 m² | - |
| 12 Milbourne Street, Mountain Ash | - | 79 m² | - |
| 13 Milbourne Street, Mountain Ash | Freehold | 70 m² | £86,000 (2024) |
| 15 Milbourne Street, Mountain Ash | Freehold | 81 m² | £70,000 (2024) |
| 16, Milbourne Street, Mountain Ash | - | 59 m² | - |
| 17 Milbourne Street, Tyntetown, Abercynon | Freehold | 66 m² | £123,000 (2024) |
| 18 Milbourne Street, Mountain Ash | - | 95 m² | - |
| 19 Milbourne Street, Mountain Ash | Freehold | 74 m² | £64,000 (2019) |
| 20, Milbourne Street, Mountain Ash | Freehold | 73 m² | £130,000 (2024) |
| 21, Milbourne Street, Mountain Ash | - | 111 m² | - |
| 23 Milbourne Street, Mountain Ash | Freehold | 73 m² | £40,000 (2013) |
| 24 Milbourne Street, Mountain Ash | - | 77 m² | - |
| 25 Milbourne Street, Mountain Ash | Freehold | 82 m² | £52,000 (2019) |
| 26, Milbourne Street, Mountain Ash | Freehold | 79 m² | £68,500 (2006) |
| 29, Milbourne Street, Mountain Ash | - | 69 m² | - |