| 1 The Leas, 34-35 Sussex Square, Brighton, Brighton | Leasehold | 98 m² | £430,000 (2021) |
| 3 The Leas, 34-35 Sussex Square, Brighton | Leasehold | 149 m² | £900,000 (2023) |
| 4 The Leas, 34-35 Sussex Square, Brighton | Leasehold | 65 m² | £264,000 (2004) |
| 8 The Leas, 34-35 Sussex Square, Brighton | Leasehold | 76 m² | £365,000 (2021) |
| 11 The Leas, 34-35 Sussex Square, Brighton | - | 69 m² | - |
| 16 The Leas, 34-35 Sussex Square, Brighton | Leasehold | 78 m² | £375,000 (2023) |
| 17 The Leas, 34-35 Sussex Square, Brighton | Leasehold | 134 m² | £265,000 (2004) |
| 18 The Leas, 34-35 Sussex Square, Brighton | Leasehold | 70 m² | £240,000 (2006) |
| Basement Flat, 38, Sussex Square, Brighton | Leasehold | 228 m² | £805,000 (2017) |
| Flat 1 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 54 m² | £245,000 (2025) |
| Flat 1, 36, Sussex Square, Brighton | - | 103 m² | - |
| Flat 1, 37 Sussex Square, Brighton | - | 91 m² | - |
| Flat 1, 38 Sussex Square, Brighton | Leasehold | 59 m² | £248,000 (2022) |
| Flat 1/A Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 74 m² | £295,000 (2025) |
| Flat 2 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 60 m² | £260,000 (2025) |
| Flat 2, 37 Sussex Square, Brighton | - | 69 m² | - |
| Flat 2/A Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 62 m² | £280,000 (2025) |
| Flat 3 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 81 m² | £355,000 (2025) |
| Flat 3, 36 Sussex Square, Brighton | - | 55 m² | - |
| Flat 3, 37 Sussex Square, Brighton | - | 63 m² | - |
| Flat 3, 38 Sussex Square, Brighton | - | 134 m² | - |
| Flat 4 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 57 m² | £350,000 (2025) |
| Flat 4, 36 Sussex Square, Brighton, Brighton | - | 54 m² | - |
| Flat 4, 37 Sussex Square, Brighton | - | 68 m² | - |
| Flat 4, 38 Sussex Square, Brighton | - | 130 m² | - |
| Flat 4/A Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 45 m² | £290,000 (2025) |
| Flat 5 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 87 m² | £515,000 (2025) |
| Flat 5, 36 Sussex Square, Brighton | - | 152 m² | - |
| Flat 5, 37 Sussex Square, Brighton | - | 48 m² | - |
| Flat 5, 38 Sussex Square, Brighton | Leasehold | 50 m² | £375,000 (2026) |
| Flat 5, The Leas, 34-35 Sussex Square, Brighton | Leasehold | 146 m² | £360,000 (2009) |
| Flat 6 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 39 m² | £275,000 (2025) |
| Flat 6, 37 Sussex Square, Brighton, Brighton | - | 73 m² | - |
| Flat 6, The Leas, 34-35 Sussex Square, Brighton | Leasehold | 73 m² | £305,000 (2017) |
| Flat 7 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 56 m² | £405,000 (2025) |
| Flat 7 The Leas, 34-35, Sussex Square, Brighton | Leasehold | 144 m² | £675,000 (2021) |
| Flat 7, 36 Sussex Square, Brighton | - | 66 m² | - |
| Flat 7, 37 Sussex Square, Brighton | - | 70 m² | - |
| Flat 8 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 113 m² | £630,000 (2025) |
| Flat 8, 36 Sussex Square, Brighton | - | 49 m² | - |
| Flat 8, 37 Sussex Square, Brighton | - | 47 m² | - |
| Flat 9 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 87 m² | £540,000 (2025) |
| Flat 9 The Leas, 34-35, Sussex Square, Brighton | Leasehold | 142 m² | £345,000 (2010) |
| Flat 9, 36 Sussex Square, Brighton | - | 65 m² | - |
| Flat 9, 37 Sussex Square, Brighton | - | 69 m² | - |
| Flat 10 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 87 m² | £350,000 (2025) |
| Flat 10, 36 Sussex Square, Brighton | - | 93 m² | - |
| Flat 10, 37 Sussex Square, Brighton | - | 104 m² | - |
| Flat 10, The Leas, 34-35 Sussex Square, Brighton | Leasehold | 77 m² | £98,000 (2000) |
| Flat 11 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 79 m² | £430,000 (2025) |
| Flat 12 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 56 m² | £405,000 (2025) |
| Flat 12, The Leas, 34-35 Sussex Square, Brighton | Leasehold | 79 m² | £373,000 (2018) |
| Flat 14 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 113 m² | £590,000 (2025) |
| Flat 15 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 87 m² | £550,000 (2025) |
| Flat 16 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 79 m² | £430,000 (2025) |
| Flat 17 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 56 m² | £440,000 (2025) |
| Flat 18 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 113 m² | £540,000 (2025) |
| Flat 19 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 87 m² | £480,000 (2025) |
| Flat 20 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 79 m² | £380,000 (2025) |
| Flat 21 Sussex Mansions, 39-40, Sussex Square, Brighton | Leasehold | 56 m² | £365,000 (2025) |
| The Small House, 40A Sussex Square, Brighton | Freehold | 188 m² | £1,385,000 (2019) |
