| 1 Old Castle Road, Weymouth | - | 524 m² | - |
| 1A Old Castle Road, Weymouth | - | 135 m² | - |
| 1B Old Castle Road, Weymouth | Freehold | 83 m² | £430,000 (2024) |
| 2, Old Castle Road, Weymouth | Freehold | 316 m² | £596,000 (2014) |
| 2A, Old Castle Road, Weymouth | Freehold | 160 m² | £532,000 (2017) |
| 3 Old Castle Road, Weymouth | Freehold | 148 m² | £667,500 (2024) |
| 3A Old Castle Road, Weymouth | Freehold | 150 m² | £540,000 (2024) |
| 4, Old Castle Road, Weymouth | Freehold | 127 m² | £462,500 (2019) |
| 10, Old Castle Road, Weymouth | Freehold | 140 m² | £340,000 (2014) |
| 11A, Old Castle Road, Weymouth | - | 101 m² | - |
| 12 Old Castle Road, Weymouth | Freehold | 128 m² | £475,000 (2025) |
| 14, Old Castle Road, Weymouth | Freehold | 137 m² | £425,000 (2021) |
| 18 Old Castle Road, Weymouth | Freehold | 148 m² | £255,000 (2013) |
| 21, Old Castle Road, Weymouth | Freehold | 85 m² | £316,000 (2014) |
| 22, Old Castle Road, Weymouth | Freehold | 118 m² | £320,000 (2009) |
| 24 Old Castle Road, Weymouth | Freehold | 150 m² | £474,000 (2024) |
| 32 Old Castle Road, Weymouth | Freehold | 95 m² | £360,000 (2025) |
| 34 Old Castle Road, Weymouth | Freehold | 100 m² | £400,000 (2024) |
| 36 Old Castle Road, Weymouth, Weymouth | Freehold | 102 m² | £340,000 (2025) |
| 38, Old Castle Road, Weymouth | Freehold | 97 m² | £297,000 (2019) |
| 40, Old Castle Road, Weymouth | Freehold | 112 m² | £297,500 (2018) |
| 46 Old Castle Road, Weymouth | Freehold | 111 m² | £250,000 (2008) |
| 48, Old Castle Road, Weymouth | Freehold | 120 m² | £335,000 (2018) |
| 50, Old Castle Road, Weymouth | Freehold | 128 m² | £301,664 (2018) |
| 52, Old Castle Road, Weymouth | Freehold | 89 m² | £290,000 (2016) |
| 56 Old Castle Road, Weymouth | Freehold | 101 m² | £418,000 (2026) |
| 60, Old Castle Road, Weymouth | Freehold | 76 m² | £250,000 (2009) |
| Beach House, 23A Old Castle Road, Weymouth | Freehold | 331 m² | £275,000 (2020) |
| Bottom Flat, 26 Old Castle Road, Weymouth, Weymouth | Leasehold | 58 m² | £135,000 (2010) |
| Driftwood, 23B Old Castle Road, Weymouth | Freehold | 331 m² | £2,400,000 (2023) |
| Garden Cottage, 15 Old Castle Road, Weymouth | - | 90 m² | - |
| Glenthorne Annexe, 15 Old Castle Road, Weymouth | Freehold | 96 m² | £1,900,000 (2025) |
| Shore Reach, 23C Old Castle Road, Weymouth | Freehold | 331 m² | £2,600,000 (2023) |
