| 1A, William Street, Brynna, Pontyclun | - | 56 m² | - |
| 3, William Street, Brynna, Pontyclun | Freehold | 112 m² | £119,000 (2015) |
| 8, William Street, Brynna, Pontyclun | Freehold | 106 m² | £119,950 (2016) |
| 10, William Street, Brynna, Pontyclun | Freehold | 97 m² | £17,500 (1999) |
| 11, William Street, Brynna, Pontyclun | Freehold | 84 m² | £118,000 (2016) |
| 12, William Street, Brynna, Pontyclun | Freehold | 90 m² | £122,000 (2019) |
| 13, William Street, Brynna, Pontyclun | - | 102 m² | - |
| 14 William Street, Brynna, Pontyclun | - | 93 m² | - |
| 15, William Street, Brynna, Pontyclun | - | 109 m² | - |
| 16 William Street, Brynna, Pontyclun | - | 87 m² | - |
| 17, William Street, Brynna, Pontyclun | Freehold | 109 m² | £57,000 (2012) |
| 18, William Street, Brynna, Pontyclun | Freehold | 81 m² | £100,000 (2008) |
| 20, William Street, Brynna, Pontyclun | Freehold | 88 m² | £128,000 (2018) |
| 21, William Street, Brynna, Pontyclun | Freehold | 88 m² | £123,000 (2017) |
| 22 William Street, Brynna, Pontyclun | Freehold | 81 m² | £143,000 (2022) |
| 23, William Street, Brynna, Pontyclun | - | 79 m² | - |
| 24 William Street, Brynna, Pontyclun | Freehold | 72 m² | £151,000 (2021) |
| 25, William Street, Brynna, Pontyclun | Freehold | 97 m² | £28,000 (2000) |
| 27, William Street, Brynna, Pontyclun | Freehold | 113 m² | £105,000 (2007) |
| 28 William Street, Brynna, Pontyclun | Freehold | 97 m² | £160,000 (2022) |
| 29 William Street, Brynna, Pontyclun | Freehold | 110 m² | £240,000 (2026) |
| 30 William Street, Brynna, Pontyclun | - | 89 m² | - |
| 34, William Street, Brynna, Pontyclun | Freehold | 93 m² | £87,000 (2018) |
| 37, William Street, Brynna, Pontyclun | - | 82 m² | - |
| 38, William Street, Brynna, Pontyclun | Freehold | 142 m² | £129,950 (2003) |
| 39, William Street, Brynna, Pontyclun | Freehold | 68 m² | £97,500 (2010) |
| Adpar, William Street, Brynna, Pontyclun | Freehold | 78 m² | £142,000 (2017) |
| Brohedyn, William Street, Brynna, Pontyclun | Freehold | 134 m² | £233,000 (2018) |
| Brynhyfryd, William Street, Brynna, Pontyclun | Freehold | 168 m² | £48,000 (1996) |