| 17, Brook Street, Blaenrhondda, Treorchy | Freehold | 66 m² | £61,500 (2006) |
| 18 Brook Street, Blaenrhondda, Treorchy | Freehold | 76 m² | £95,000 (2026) |
| 19, Brook Street, Blaenrhondda, Treorchy | Freehold | 103 m² | £46,000 (2009) |
| 20, Brook Street, Blaenrhondda, Treorchy | Freehold | 75 m² | £67,000 (2015) |
| 21, Brook Street, Blaenrhondda, Treorchy | - | 92 m² | - |
| 22, Brook Street, Blaenrhondda, Treorchy | Freehold | 80 m² | £56,000 (2018) |
| 23 Brook Street, Blaenrhondda, Treorchy | Freehold | 74 m² | £60,000 (2025) |
| 24, Brook Street, Blaenrhondda, Treorchy | Freehold | 85 m² | £45,000 (2015) |
| 25, Brook Street, Blaenrhondda, Treorchy | - | 78 m² | - |
| 26, Brook Street, Blaenrhondda, Treorchy | Freehold | 123 m² | £144,500 (2024) |
| 27, Brook Street, Blaenrhondda, Treorchy | Freehold | 83 m² | £57,500 (2016) |
| 28, Brook Street, Blaenrhondda, Treorchy | - | 80 m² | - |
| 29, Brook Street, Blaenrhondda, Treorchy | Freehold | 124 m² | £16,000 (1997) |
| 30, Brook Street, Blaenrhondda, Treorchy | - | 59 m² | - |
| 31, Brook Street, Blaenrhondda, Treorchy | Freehold | 100 m² | £31,500 (2001) |
| 32, Brook Street, Blaenrhondda, Treorchy | Freehold | 119 m² | £75,000 (2018) |
| 34, Brook Street, Blaenrhondda, Treorchy | Freehold | 109 m² | £70,000 (2018) |
| 35A Brook Street, Blaenrhondda, Treorchy | - | 70 m² | - |
| 35B Brook Street, Blaenrhondda, Treorchy | - | 67 m² | - |
| 37, Brook Street, Blaenrhondda, Treorchy | Freehold | 87 m² | £88,000 (2014) |
| 38 Brook Street, Blaenrhondda, Treorchy | Freehold | 84 m² | £60,000 (2019) |
| 39, Brook Street, Blaenrhondda, Treorchy | - | 93 m² | - |
| 39A Brook Street, Blaenrhondda, Treorchy | - | 87 m² | - |
| 39B, Brook Street, Blaenrhondda, Treorchy | Freehold | 93 m² | £149,995 (2021) |
| 40, Brook Street, Blaenrhondda, Treorchy | Freehold | 77 m² | £50,000 (2026) |
| 41, Brook Street, Blaenrhondda, Treorchy | - | 95 m² | - |
| 42 Brook Street, Blaenrhondda, Treorchy | Freehold | 80 m² | £85,000 (2023) |
| 43, Brook Street, Blaenrhondda, Treorchy | Freehold | 79 m² | £31,500 (2001) |
| 44, Brook Street, Blaenrhondda, Treorchy | Freehold | 64 m² | £94,995 (2021) |
| 45, Brook Street, Blaenrhondda, Treorchy | Freehold | 100 m² | £15,000 (2012) |
| 46, Brook Street, Blaenrhondda, Treorchy | Freehold | 112 m² | £36,000 (1997) |
| 47 Brook Street, Blaenrhondda, Treorchy | Freehold | 101 m² | £125,000 (2025) |