| 1, Flat Holm Walk, Sully, Penarth | Freehold | 85 m² | £284,995 (2021) |
| 2, Flat Holm Walk, Sully, Penarth | Freehold | 115 m² | £386,995 (2021) |
| 3, Flat Holm Walk, Sully, Penarth | Freehold | 107 m² | £368,995 (2021) |
| 4, Flat Holm Walk, Sully, Penarth | Freehold | 107 m² | £356,245 (2021) |
| 5 Flat Holm Walk, Sully, Penarth | Freehold | 127 m² | £439,995 (2021) |
| 6 Flat Holm Walk, Sully, Penarth | Freehold | 127 m² | £452,500 (2025) |
| 7, Flat Holm Walk, Sully, Penarth | Freehold | 115 m² | £373,345 (2021) |
| 8 Flat Holm Walk, Sully, Penarth | Freehold | 107 m² | £356,000 (2021) |
| 9, Flat Holm Walk, Sully, Penarth | Freehold | 93 m² | £310,000 (2021) |
| 10 Flat Holm Walk, Sully, Penarth | - | 55 m² | - |
| 11 Flat Holm Walk, Sully, Penarth | Freehold | 55 m² | £210,000 (2023) |
| 12 Flat Holm Walk, Sully, Penarth | Freehold | 55 m² | £210,000 (2021) |
| 13 Flat Holm Walk, Sully, Penarth | Freehold | 55 m² | £255,000 (2026) |
| 14 Flat Holm Walk, Sully, Penarth | - | 86 m² | - |
| 15 Flat Holm Walk, Sully, Penarth | - | 86 m² | - |
| 16 Flat Holm Walk, Sully, Penarth | - | 76 m² | - |
| 17 Flat Holm Walk, Sully, Penarth | - | 76 m² | - |
| 18 Flat Holm Walk, Sully, Penarth | - | 76 m² | - |
| 19 Flat Holm Walk, Sully, Penarth | Freehold | 93 m² | £329,995 (2022) |
| 20 Flat Holm Walk, Sully, Penarth | Freehold | 107 m² | £420,000 (2022) |
| 21 Flat Holm Walk, Sully, Penarth | Freehold | 115 m² | £399,000 (2021) |
| 22 Flat Holm Walk, Sully, Penarth | Freehold | 127 m² | £440,000 (2021) |
| 23 Flat Holm Walk, Sully, Penarth | Freehold | 107 m² | £377,000 (2021) |
| 24, Flat Holm Walk, Sully, Penarth | Freehold | 93 m² | £332,995 (2021) |
| 25, Flat Holm Walk, Sully, Penarth | Freehold | 85 m² | £310,000 (2022) |
| 26, Flat Holm Walk, Sully, Penarth | Freehold | 127 m² | £434,995 (2022) |
| 27 Flat Holm Walk, Sully, Penarth | Freehold | 127 m² | £487,500 (2026) |
| 28 Flat Holm Walk, Sully, Penarth | Freehold | 127 m² | £439,995 (2021) |
| 29 Flat Holm Walk, Sully, Penarth | Freehold | 107 m² | £377,995 (2021) |
| 30 Flat Holm Walk, Sully | - | 46 m² | - |
| 31 Flat Holm Walk, Sully | - | 43 m² | - |
| 32, Flat Holm Walk, Sully, Penarth | - | 123 m² | - |
| 33, Flat Holm Walk, Sully, Penarth | - | 123 m² | - |
| 34, Flat Holm Walk, Sully, Penarth | - | 76 m² | - |
| 35 Flat Holm Walk, Sully, Penarth | - | 77 m² | - |
| 36 Flat Holm Walk, Sully, Penarth | Freehold | 79 m² | £315,000 (2023) |
| 37 Flat Holm Walk, Sully, Penarth | Freehold | 79 m² | £275,000 (2021) |
| 38, Flat Holm Walk, Sully, Penarth | Freehold | 85 m² | £330,000 (2025) |
| 39, Flat Holm Walk, Sully, Penarth | Freehold | 107 m² | £351,495 (2021) |
| 40, Flat Holm Walk, Sully, Penarth | Freehold | 85 m² | £350,000 (2023) |