| 18 Gwendoline Street, Treherbert, Treorchy | Freehold | 76 m² | £29,000 (2003) |
| 19, Gwendoline Street, Treherbert, Treorchy | Freehold | 81 m² | £79,950 (2021) |
| 20, Gwendoline Street, Treherbert, Treorchy | Freehold | 79 m² | £40,500 (2019) |
| 22, Gwendoline Street, Treherbert, Treorchy | - | 80 m² | - |
| 24, Gwendoline Street, Treherbert, Treorchy | Freehold | 72 m² | £79,995 (2023) |
| 25, Gwendoline Street, Treherbert, Treorchy | - | 68 m² | - |
| 27, Gwendoline Street, Treherbert, Treorchy | Freehold | 102 m² | £98,000 (2021) |
| 28, Gwendoline Street, Treherbert, Treorchy | - | 95 m² | - |
| 29, Gwendoline Street, Treherbert, Treorchy | Freehold | 84 m² | £71,000 (2024) |
| 30 Gwendoline Street, Treherbert, Treorchy | Freehold | 83 m² | £32,000 (2014) |
| 31, Gwendoline Street, Treherbert, Treorchy | - | 84 m² | - |
| 32 Gwendoline Street, Treherbert, Treorchy | Freehold | 75 m² | £55,500 (2021) |
| 33 Gwendoline Street, Treherbert, Treorchy | Freehold | 89 m² | £38,500 (2003) |
| 34, Gwendoline Street, Treherbert, Treorchy | Freehold | 68 m² | £66,000 (2024) |
| 35 Gwendoline Street, Treherbert, Treorchy | Freehold | 71 m² | £32,000 (2017) |
| 36, Gwendoline Street, Treherbert, Treorchy | - | 76 m² | - |
| 37 Gwendoline Street, Treherbert, Treorchy | Freehold | 84 m² | £60,500 (2023) |
| 38 Gwendoline Street, Treherbert, Treorchy | - | 84 m² | - |
| 41, Gwendoline Street, Treherbert, Treorchy | Freehold | 69 m² | £36,000 (2015) |
| 42 Gwendoline Street, Treherbert, Treorchy | Freehold | 72 m² | £41,000 (2019) |
| 43, Gwendoline Street, Treherbert, Treorchy | - | 74 m² | - |
| 44 Gwendoline Street, Treherbert, Treorchy | Freehold | 86 m² | £67,000 (2024) |
| 45 Gwendoline Street, Treherbert, Treorchy | Freehold | 86 m² | £18,000 (2003) |
| 46 Gwendoline Street, Treherbert, Treorchy | Freehold | 80 m² | £48,000 (2006) |
| 49, Gwendoline Street, Treherbert, Treorchy | Freehold | 79 m² | £83,000 (2022) |
| 50, Gwendoline Street, Treherbert, Treorchy | - | 88 m² | - |
| 51, Gwendoline Street, Treherbert, Treorchy | Freehold | 83 m² | £70,000 (2017) |
| 52, Gwendoline Street, Treherbert, Treorchy | Freehold | 74 m² | £20,000 (2003) |
| 54, Gwendoline Street, Treherbert, Treorchy | - | 88 m² | - |
| 55 Gwendoline Street, Treherbert, Treorchy | - | 83 m² | - |
| 57, Gwendoline Street, Treherbert, Treorchy | Freehold | 106 m² | £82,000 (2025) |
| 58, Gwendoline Street, Treherbert, Treorchy | Freehold | 98 m² | £77,000 (2017) |