| Flat 1 Alden House, Duncan Road, London | - | 68 m² | - |
| Flat 2 Alden House, Duncan Road, London | Leasehold | 61 m² | £370,000 (2019) |
| Flat 4 Alden House, Duncan Road, London | Leasehold | 67 m² | £199,000 (2006) |
| Flat 12, Alden House, Duncan Road, London | Leasehold | 90 m² | £435,000 (2016) |
| Flat 17, Alden House, Duncan Road, London | Leasehold | 94 m² | £575,000 (2026) |
| Flat 21, Alden House, Duncan Road, London | - | 81 m² | - |
| Flat 23 Alden House, Duncan Road, London | - | 66 m² | - |
| Flat 28 Alden House, Duncan Road, London | - | 71 m² | - |
| Flat 33 Alden House, Duncan Road, London | - | 80 m² | - |
| Flat 36 Alden House, Duncan Road, London | - | 52 m² | - |
| Flat 38 Alden House, Duncan Road, London | Leasehold | 53 m² | £378,000 (2018) |
| Flat 39 Alden House, Duncan Road, London | - | 55 m² | - |
| Flat 42 Alden House, Duncan Road, London | - | 64 m² | - |
| Flat 45 Alden House, Duncan Road, London | - | 91 m² | - |
| Flat 46, Alden House, Duncan Road, London | - | 56 m² | - |
| Flat 47, Alden House, Duncan Road, London | - | 58 m² | - |
| Flat 49 Alden House, Duncan Road, London | - | 75 m² | - |
| Flat 51, Alden House, Duncan Road, London | - | 58 m² | - |
| Flat 53, Alden House, Duncan Road, London | - | 86 m² | - |
| Flat 54 Alden House, Duncan Road, London | - | 56 m² | - |
| Flat 58, Alden House, Duncan Road, London | Leasehold | 56 m² | £450,000 (2024) |
| Flat 59, Alden House, Duncan Road, London | - | 59 m² | - |
| Flat 61 Alden House, Duncan Road, London | - | 89 m² | - |
| Flat 62 Alden House, Duncan Road, London | - | 57 m² | - |
| Flat 64 Alden House, Duncan Road, London | - | 81 m² | - |
| Flat 67 Alden House, Duncan Road, London | - | 69 m² | - |
| Flat 68 Alden House, Duncan Road, London | - | 73 m² | - |
| Flat 69, Alden House, Duncan Road, London | Leasehold | 84 m² | £475,000 (2021) |
| Flat 70, Alden House, Duncan Road, London | - | 54 m² | - |
| Flat 72, Alden House, Duncan Road, London | Leasehold | 75 m² | £550,000 (2022) |
| Flat 74 Alden House, Duncan Road, London | - | 59 m² | - |
| Flat 75 Alden House, Duncan Road, London | - | 63 m² | - |