| 2 Sion Street, Pontypridd, Pontypridd | Freehold | 56 m² | £43,000 (2002) |
| 3 River View, Sion Street, Pontypridd | Freehold | 81 m² | £200,000 (2025) |
| 3 Sion Street, Pontypridd | Freehold | 43 m² | £92,000 (2023) |
| 4 River View, Sion Street, Pontypridd | - | 77 m² | - |
| 4 Sion Street, Pontypridd | Freehold | 66 m² | £137,500 (2024) |
| 5 Sion Street, Pontypridd, Pontypridd | - | 60 m² | - |
| 6 Sion Street, Pontypridd | Freehold | 68 m² | £50,500 (2004) |
| 7, Sion Street, Pontypridd | Freehold | 56 m² | £92,000 (2015) |
| 9 Sion Street, Pontypridd | Freehold | 62 m² | £65,000 (2021) |
| 10 Sion Street, Pontypridd | Freehold | 69 m² | £33,739 (1999) |
| 11, Sion Street, Pontypridd | Freehold | 91 m² | £153,000 (2021) |
| 14 Sion Street, Pontypridd | Freehold | 47 m² | £76,500 (2006) |
| 19, Sion Street, Pontypridd | Freehold | 94 m² | £146,000 (2015) |
| 20 Sion Street, Pontypridd | Freehold | 127 m² | £80,000 (2014) |
| 21 Sion Street, Pontypridd | Freehold | 96 m² | £150,000 (2026) |
| 23, Sion Street, Pontypridd | Freehold | 90 m² | £131,000 (2019) |
| 24, Sion Street, Pontypridd | Freehold | 103 m² | £125,000 (2017) |
| 25, Sion Street, Pontypridd | Freehold | 93 m² | £46,500 (1998) |
| 27 Sion Street, Pontypridd | Freehold | 95 m² | £69,950 (2003) |
| 28, Sion Street, Pontypridd | - | 56 m² | - |
| 29 Sion Street, Pontypridd | Freehold | 58 m² | £117,500 (2025) |
| 30, Sion Street, Pontypridd | Freehold | 52 m² | £35,000 (2011) |
| 31, Sion Street, Pontypridd | Freehold | 89 m² | £118,000 (2025) |
| 32, Sion Street, Pontypridd | Freehold | 53 m² | £63,950 (2003) |
| 33, Sion Street, Pontypridd | Freehold | 63 m² | £96,000 (2023) |
| 34, Sion Street, Pontypridd | Freehold | 54 m² | £82,500 (2023) |
| 35 Sion Street, Pontypridd | Freehold | 57 m² | £115,000 (2022) |
| 36 Sion Street, Pontypridd, Pontypridd | Freehold | 52 m² | £142,500 (2023) |
| 37, Sion Street, Pontypridd | Freehold | 60 m² | £83,500 (2023) |
| 38 Sion Street, Pontypridd, Pontypridd | Freehold | 70 m² | £88,500 (2025) |
| 39 Sion Street, Pontypridd | - | 50 m² | - |
| 40, Sion Street, Pontypridd | - | 68 m² | - |
| 42 Sion Street, Pontypridd, Pontypridd | Freehold | 58 m² | £110,000 (2021) |
| 43, Sion Street, Pontypridd | Freehold | 65 m² | £24,600 (2002) |
| 44 Sion Street, Pontypridd | Freehold | 83 m² | £97,000 (2006) |
| 45, Sion Street, Pontypridd | Freehold | 58 m² | £68,000 (2003) |
| 46, Sion Street, Pontypridd | Freehold | 49 m² | £36,950 (2002) |
| 47, Sion Street, Pontypridd | Freehold | 96 m² | £82,500 (2024) |
| 48 Sion Street, Pontypridd | - | 133 m² | - |
| 50 Sion Street, Pontypridd, Pontypridd | Freehold | 48 m² | £83,500 (2026) |
| 51 Sion Street, Pontypridd | Freehold | 59 m² | £100,000 (2022) |
| 52 Sion Street, Pontypridd | Freehold | 52 m² | £57,000 (2003) |
| 53, Sion Street, Pontypridd | Freehold | 51 m² | £85,000 (2009) |
| 54 Sion Street, Pontypridd | Freehold | 52 m² | £112,000 (2023) |
| 57 Sion Street, Pontypridd | - | 63 m² | - |
| 58 Sion Street, Pontypridd | Freehold | 56 m² | £110,000 (2019) |
| River View, Sion Street, Pontypridd | - | 63 m² | - |
| River View, Sion Street, Pontypridd | Freehold | 57 m² | £149,950 (2017) |