| 2 Sion Court, Sion Road, Twickenham | - | 51 m² | - |
| 3 Sion Court, Sion Road, Twickenham | Leasehold | 54 m² | £303,000 (2012) |
| 4 Sion Court, Sion Road, Twickenham | - | 60 m² | - |
| 5 Sion Court, Sion Road, Twickenham | Leasehold | 58 m² | £211,000 (2004) |
| 6 Sion Court, Sion Road, Twickenham | Leasehold | 63 m² | £422,500 (2024) |
| 8 Sion Court, Sion Road, Twickenham | - | 63 m² | - |
| 9 Sion Court, Sion Road, Twickenham | Leasehold | 50 m² | £430,000 (2023) |
| 10 Sion Court, Sion Road, Twickenham | Leasehold | 53 m² | £375,000 (2014) |
| 11 Sion Court, Sion Road, Twickenham | Leasehold | 63 m² | £289,950 (2013) |
| 12 Sion Court, Sion Road, Twickenham | - | 58 m² | - |
| 12A Sion Court, Sion Road, Twickenham | Leasehold | 83 m² | £249,950 (2011) |
| 14 Sion Court, Sion Road, Twickenham | Leasehold | 78 m² | £485,000 (2022) |
| 15 Sion Court, Sion Road, Twickenham | Leasehold | 79 m² | £137,000 (1998) |
| 16 Sion Court, Sion Road, Twickenham | Leasehold | 73 m² | £450,000 (2019) |
| 17 Sion Court, Sion Road, Twickenham | - | 81 m² | - |
| 19 Sion Court, Sion Road, Twickenham | - | 81 m² | - |
| 20 Sion Court, Sion Road, Twickenham | Leasehold | 71 m² | £450,000 (2023) |
| 21 Sion Court, Sion Road, Twickenham | Leasehold | 73 m² | £420,000 (2021) |
| 22 Sion Court, Sion Road, Twickenham | Leasehold | 88 m² | £520,000 (2025) |
| 23 Sion Court, Sion Road, Twickenham | - | 68 m² | - |
| 27 Sion Court, Sion Road, Twickenham | Leasehold | 58 m² | £520,000 (2016) |
| 29 Sion Court, Sion Road, Twickenham | - | 74 m² | - |
| 30 Sion Court, Sion Road, Twickenham | Leasehold | 75 m² | £450,000 (2018) |
| 31 Sion Court, Sion Road, Twickenham | - | 68 m² | - |
| 32 Sion Court, Sion Road, Twickenham | - | 73 m² | - |
| 33 Sion Court, Sion Road, Twickenham | - | 79 m² | - |
| 34 Sion Court, Sion Road, Twickenham | Leasehold | 84 m² | £480,000 (2024) |
| 35 Sion Court, Sion Road, Twickenham | Leasehold | 82 m² | £592,000 (2025) |
| 36 Sion Court, Sion Road, Twickenham | - | 72 m² | - |
