| Flat 1 Cowen House, Mayplace Lane, London | - | 76 m² | - |
| Flat 2 Cowen House, Mayplace Lane, London | - | 44 m² | - |
| Flat 3 Cowen House, Mayplace Lane, London | Leasehold | 54 m² | £200,000 (2018) |
| Flat 4 Cowen House, Mayplace Lane, London | Leasehold | 55 m² | £185,000 (2025) |
| Flat 5 Cowen House, Mayplace Lane, London | - | 44 m² | - |
| Flat 6 Cowen House, Mayplace Lane, London | - | 60 m² | - |
| Flat 7 Cowen House, Mayplace Lane, London | - | 43 m² | - |
| Flat 8 Cowen House, Mayplace Lane, London | - | 71 m² | - |
| Flat 9 Cowen House, Mayplace Lane, London | - | 71 m² | - |
| Flat 10 Cowen House, Mayplace Lane, London | - | 42 m² | - |
| Flat 11 Cowen House, Mayplace Lane, London | - | 54 m² | - |
| Flat 12, Cowen House, Mayplace Lane, London | - | 69 m² | - |
| Flat 13 Cowen House, Mayplace Lane, London | - | 42 m² | - |
| Flat 13/A Cowen House, Mayplace Lane, London | - | 60 m² | - |
| Flat 14 Cowen House, Mayplace Lane, London | - | 43 m² | - |
| Flat 15 Cowen House, Mayplace Lane, London | - | 71 m² | - |
| Flat 16, Cowen House, Mayplace Lane, London | - | 70 m² | - |
| Flat 17 Cowen House, Mayplace Lane, London | - | 47 m² | - |
| Flat 18 Cowen House, Mayplace Lane, London | - | 56 m² | - |
| Flat 19 Cowen House, Mayplace Lane, London | - | 56 m² | - |
| Flat 20, Cowen House, Mayplace Lane, Plumstead | - | 48 m² | - |
| Flat 21 Cowen House, Mayplace Lane, London | - | 56 m² | - |
| Flat 22 Cowen House, Mayplace Lane, London | - | 45 m² | - |
| Flat 23 Cowen House, Mayplace Lane, London | - | 76 m² | - |
| Flat 24 Cowen House, Mayplace Lane, London | - | 71 m² | - |
| Flat 25 Cowen House, Mayplace Lane, London | - | 43 m² | - |
| Flat 25/A Cowen House, Mayplace Lane, London | - | 54 m² | - |
| Flat 26 Cowen House, Mayplace Lane, London | - | 56 m² | - |
| Flat 27 Cowen House, Mayplace Lane, London | - | 47 m² | - |
| Flat 28 Cowen House, Mayplace Lane, London | - | 60 m² | - |
| Flat 29 Cowen House, Mayplace Lane, London | - | 41 m² | - |
| Flat 30, Cowen House, Mayplace Lane, London | Leasehold | 69 m² | £21,000 (1997) |
| Flat 31 Cowen House, Mayplace Lane, London | - | 54 m² | - |
| Flat 32 Cowen House, Mayplace Lane, London | - | 56 m² | - |
| Flat 33 Cowen House, Mayplace Lane, London | - | 43 m² | - |
| Flat 34, Cowen House, Mayplace Lane, London | - | 66 m² | - |
