| 17, Underdown Road, Southwick, Brighton | Freehold | 71 m² | £207,000 (2010) |
| 19, Underdown Road, Southwick, Brighton | Freehold | 75 m² | £249,000 (2010) |
| 21 Underdown Road, Southwick, Brighton | Freehold | 117 m² | £445,000 (2021) |
| 23, Underdown Road, Southwick, Brighton | Freehold | 82 m² | £345,000 (2020) |
| 25 Underdown Road, Southwick, Brighton | Freehold | 87 m² | £432,000 (2024) |
| 27, Underdown Road, Southwick, Brighton | Leasehold | 53 m² | £125,000 (2005) |
| 27A Underdown Road, Southwick, Brighton | Leasehold | 75 m² | £290,000 (2023) |
| 31 Underdown Road, Southwick, Brighton | Freehold | 78 m² | £250,000 (2011) |
| 33, Underdown Road, Southwick, Brighton | Freehold | 74 m² | £304,950 (2015) |
| 35, Underdown Road, Southwick, Brighton | - | 169 m² | - |
| 37 Underdown Road, Southwick, Brighton | - | 80 m² | - |
| 39, Underdown Road, Southwick, Brighton | Freehold | 112 m² | £518,000 (2020) |
| 41, Underdown Road, Southwick, Brighton | Freehold | 77 m² | £405,000 (2021) |
| 45A, Underdown Road, Southwick, Brighton | Freehold | 174 m² | £600,000 (2019) |
| 47, Underdown Road, Southwick, Brighton | Leasehold | 63 m² | £275,000 (2020) |
| 47A, Underdown Road, Southwick, Brighton | - | 50 m² | - |
| 49 Underdown Road, Southwick, Brighton | Freehold | 104 m² | £465,000 (2018) |
| 55, Underdown Road, Southwick, Brighton | Freehold | 117 m² | £295,000 (2015) |
| 57A, Underdown Road, Southwick, Brighton | - | 42 m² | - |
| 69, Underdown Road, Southwick, Brighton | Freehold | 108 m² | £496,000 (2022) |
| 73, Underdown Road, Southwick, Brighton | Freehold | 116 m² | £358,000 (2016) |
| 79A Underdown Road, Southwick, Brighton | - | 58 m² | - |
| First Floor Flat, 29 Underdown Road, Southwick, Brighton | Leasehold | 45 m² | £178,000 (2020) |
| First Floor Flat, 51 Underdown Road, Southwick, Brighton | - | 64 m² | - |
| Flat 1 Warren Court, Underdown Road, Southwick, Brighton | Leasehold | 65 m² | £39,400 (1995) |
| Flat 2, Warren Court, Underdown Road, Brighton | Leasehold | 69 m² | £265,000 (2025) |
| Flat 3, Warren Court, Underdown Road, Brighton | Leasehold | 72 m² | £125,000 (2011) |
| Flat 4 Warren Court, Underdown Road, Southwick, Brighton | Leasehold | 65 m² | £204,950 (2015) |
| Flat 5 Warren Court, Underdown Road, Southwick, Brighton | Leasehold | 67 m² | £138,500 (2011) |
| Flat 6, Warren Court, Underdown Road, Brighton | Leasehold | 68 m² | £99,950 (2002) |
| Flat 7, Warren Court, Underdown Road, Brighton | Leasehold | 64 m² | £129,950 (2012) |
| Flat 9 Warren Court, Underdown Road, Southwick, Brighton | Leasehold | 70 m² | £180,000 (2007) |
| Ground Floor Flat, 79 Underdown Road, Southwick, Brighton | - | 56 m² | - |
| Norfolk Lodge, Underdown Road, Southwick, Brighton | Freehold | 141 m² | £515,000 (2025) |
