| 1A, Spring Street, Dowlais, Merthyr Tydfil | - | 90 m² | - |
| 2, Spring Street, Dowlais, Merthyr Tydfil | - | 71 m² | - |
| 3, Spring Street, Dowlais, Merthyr Tydfil | - | 84 m² | - |
| 4 Spring Street, Dowlais, Merthyr Tydfil | Freehold | 66 m² | £100,000 (2021) |
| 5 Spring Street, Dowlais, Merthyr Tydfil, Merthyr Tydfil | - | 59 m² | - |
| 7 Spring Street, Dowlais, Merthyr Tydfil | - | 64 m² | - |
| 8 Spring Street, Dowlais, Merthyr Tydfil | Freehold | 61 m² | £56,100 (2017) |
| 9 Spring Street, Dowlais, Merthyr Tydfil | Freehold | 89 m² | £85,000 (2011) |
| 10, Spring Street, Dowlais, Merthyr Tydfil | Freehold | 95 m² | £75,000 (2020) |
| 11 Spring Street, Dowlais, Merthyr Tydfil | Freehold | 66 m² | £71,000 (2006) |
| 13, Spring Street, Dowlais, Merthyr Tydfil | Freehold | 53 m² | £195,500 (2022) |
| 15 Spring Street, Dowlais, Merthyr Tydfil | Freehold | 58 m² | £102,000 (2022) |
| 16, Spring Street, Dowlais, Merthyr Tydfil | - | 59 m² | - |
| 17 Spring Street, Dowlais, Merthyr Tydfil | Freehold | 63 m² | £45,500 (2014) |
| 18, Spring Street, Dowlais, Merthyr Tydfil | - | 57 m² | - |
| 19 Spring Street, Dowlais, Merthyr Tydfil | Freehold | 70 m² | £115,000 (2024) |
| 21, Spring Street, Dowlais, Merthyr Tydfil | Freehold | 50 m² | £49,000 (2018) |
| 22, Spring Street, Dowlais, Merthyr Tydfil | - | 59 m² | - |
| 24 Spring Street, Dowlais, Merthyr Tydfil | Freehold | 88 m² | £12,000 (2001) |
| 25, Spring Street, Dowlais, Merthyr Tydfil | - | 47 m² | - |
| 26, Spring Street, Dowlais, Merthyr Tydfil | Freehold | 68 m² | £45,000 (2016) |
| 27 Spring Street, Dowlais, Merthyr Tydfil | Freehold | 87 m² | £135,000 (2025) |
| 28 Spring Street, Dowlais, Merthyr Tydfil | Freehold | 66 m² | £52,500 (2026) |
| 29, Spring Street, Dowlais, Merthyr Tydfil | - | 61 m² | - |
| 30, Spring Street, Dowlais, Merthyr Tydfil | - | 49 m² | - |
| 31, Spring Street, Dowlais, Merthyr Tydfil | - | 40 m² | - |
| 32, Spring Street, Dowlais, Merthyr Tydfil | - | 51 m² | - |
| 33 Spring Street, Dowlais, Merthyr Tydfil | - | 61 m² | - |
| 34 Spring Street, Dowlais, Merthyr Tydfil | - | 60 m² | - |
| 35, Spring Street, Dowlais, Merthyr Tydfil | - | 57 m² | - |
| 37 Spring Street, Dowlais, Merthyr Tydfil | Freehold | 57 m² | £52,500 (2006) |
| 37A, Spring Street, Dowlais, Merthyr Tydfil | - | 51 m² | - |
| 40 Spring Street, Dowlais, Merthyr Tydfil | Freehold | 51 m² | £47,500 (2025) |
| Dowlais Community Development Forum, 20-20A Spring Street, Dowlais, Merthyr Tydfil | - | 118 m² | - |