| 25 Flat 5 Northdown Street, Islington, London | - | 64 m² | - |
| 25 Flat 7 Northdown Street, Islington, London | - | 64 m² | - |
| 31, Northdown Street, London | - | 78 m² | - |
| 33 Northdown Street, London | Freehold | 184 m² | £160,000 (1997) |
| 35 Northdown Street, Islington, London, London | - | 76 m² | - |
| 39 Northdown Street, London | - | 88 m² | - |
| 45, Northdown Street, London | - | 80 m² | - |
| 45C Northdown Street, London | Leasehold | 65 m² | £525,000 (2012) |
| 47 Northdown Street, London | - | 68 m² | - |
| 53 Northdown Street, London | - | 131 m² | - |
| Basement Flat, 31, Northdown Street, London | Leasehold | 90 m² | £566,650 (2012) |
| Basement Flat, 37 Northdown Street, London | Leasehold | 41 m² | £690,000 (2018) |
| Basement Flat, 53, Northdown Street, London | Leasehold | 71 m² | £980,000 (2013) |
| Flat 1, 55-57 Northdown Street, London | - | 47 m² | - |
| Flat 2, 25 Northdown Street, London | - | 53 m² | - |
| Flat 3, 37 Northdown Street, London | - | 65 m² | - |
| Flat 3, 55-57 Northdown Street, London | Leasehold | 49 m² | £325,000 (2024) |
| Flat 4, 25, Northdown Street, London | Leasehold | 73 m² | £645,000 (2021) |
| Flat 9, 25, Northdown Street, London | - | 82 m² | - |
| Flat 11, 25, Northdown Street, London | Leasehold | 74 m² | £625,000 (2020) |
| Flat A, 27, Northdown Street, London | Leasehold | 74 m² | £350,000 (2006) |
| Flat A, 35 Northdown Street, Islington, London | - | 76 m² | - |
| Flat A, 41 Northdown Street, London | - | 88 m² | - |
| Flat A, 43 Northdown Street, London | - | 47 m² | - |
| Flat A, 49 Northdown Street, London | - | 83 m² | - |
| Flat B, 27, Northdown Street, London | Leasehold | 80 m² | £129,999 (1997) |
| Flat B, 29 Northdown Street, London | - | 68 m² | - |
| Flat B, 41 North Down Street, London | - | 114 m² | - |
| Flat B, 43 Northdown Street, London | - | 39 m² | - |
| Flat B, 49 Northdown Street, London | - | 73 m² | - |
| Flat C, 43 Northdown Street, London | - | 30 m² | - |
| Flat D, 43 Northdown Street, London | - | 33 m² | - |
| Flat D, 45 Northdown Street, Islington, London | Leasehold | 67 m² | £583,250 (2024) |
| Flat E, 43 Northdown Street, London | - | 35 m² | - |