| Flat 1, Sumner House, Watts Grove, London | Leasehold | 63 m² | £200,000 (2024) |
| Flat 2, Sumner House, Watts Grove, London | - | 47 m² | - |
| Flat 3, Sumner House, Watts Grove, London | Leasehold | 49 m² | £180,000 (2025) |
| Flat 3/A Sumner House, Watts Grove, London | Leasehold | 36 m² | £225,000 (2021) |
| Flat 4, Sumner House, Watts Grove, London | - | 67 m² | - |
| Flat 5 Sumner House, Watts Grove, London | - | 50 m² | - |
| Flat 6 Sumner House, Watts Grove, London | - | 51 m² | - |
| Flat 7 Sumner House, Watts Grove, London | Leasehold | 56 m² | £354,000 (2018) |
| Flat 8 Sumner House, Watts Grove, London | - | 50 m² | - |
| Flat 9 Sumner House, Watts Grove, London | - | 70 m² | - |
| Flat 10 Sumner House, Watts Grove, London | - | 37 m² | - |
| Flat 11 Sumner House, Watts Grove, London | - | 47 m² | - |
| Flat 13, Sumner House, London | Leasehold | 42 m² | £262,000 (2023) |
| Flat 15 Sumner House, Watts Grove, London | Leasehold | 59 m² | £148,000 (2003) |
| Flat 16 Sumner House, Watts Grove, London | - | 43 m² | - |
| Flat 17/A Sumner House, Watts Grove, London | Leasehold | 37 m² | £147,000 (2007) |
| Flat 18 Sumner House, Watts Grove, London | - | 62 m² | - |
| Flat 19 Sumner House, Watts Grove, London | - | 50 m² | - |
| Flat 20 Sumner House, Watts Grove, London | - | 36 m² | - |
| Flat 21 Sumner House, Watts Grove, London | - | 91 m² | - |
| Flat 22, Sumner House, Watts Grove, London | Leasehold | 53 m² | £220,000 (2023) |
| Flat 23, Sumner House, Watts Grove, London | - | 57 m² | - |
| Flat 24 Sumner House, Watts Grove, London | - | 36 m² | - |
| Flat 25 Sumner House, Watts Grove, London | - | 52 m² | - |
| Flat 27, Sumner House, Watts Grove, London | - | 49 m² | - |
| Flat 28 Sumner House, Watts Grove, London | Leasehold | 70 m² | £300,000 (2015) |
| Flat 29, Sumner House, Watts Grove, London | - | 55 m² | - |
| Flat 30 Sumner House, Watts Grove, London | Leasehold | 50 m² | £159,230 (2021) |
| Flat 31, Sumner House, Watts Grove, London | - | 74 m² | - |
| Flat 33 Sumner House, Watts Grove, London | Leasehold | 36 m² | £286,000 (2019) |
| Flat 34 Sumner House, Watts Grove, London | - | 70 m² | - |
| Flat 35, Sumner House, Watts Grove, London | Leasehold | 52 m² | £137,500 (2011) |
| Flat 36 Sumner House, Watts Grove, London | Leasehold | 53 m² | £275,000 (2022) |
| Flat 37, Sumner House, Watts Grove, London | Leasehold | 52 m² | £288,000 (2017) |
| Flat 38, Sumner House, Watts Grove, London | Leasehold | 50 m² | £124,000 (2004) |
| Flat 39, Sumner House, Watts Grove, London | - | 80 m² | - |
| Flat 41, Sumner House, Watts Grove, London | Leasehold | 50 m² | £158,995 (2013) |
| Flat 43 Sumner House, Watts Grove, London | Leasehold | 40 m² | £245,000 (2017) |
| Flat 44, Sumner House, Watts Grove, London | - | 61 m² | - |
| Flat 45 Sumner House, Watts Grove, London | - | 55 m² | - |
| Flat 46, Sumner House, Watts Grove, London | Leasehold | 42 m² | £235,000 (2024) |
| Flat 47 Sumner House, Watts Grove, London | - | 71 m² | - |
| Flat 48 Sumner House, Watts Grove, London | Leasehold | 43 m² | £250,000 (2019) |
| Flat 49, Sumner House, Watts Grove, London | - | 34 m² | - |
| Flat 51, Sumner House, Watts Grove, London | Leasehold | 57 m² | £123,500 (2004) |
| Flat 52 Sumner House, Watts Grove, London | - | 44 m² | - |
| Flat 53, Sumner House, Watts Grove, London | Leasehold | 48 m² | £220,000 (2023) |
| Flat 54 Sumner House, Watts Grove, London | - | 46 m² | - |
| Flat 55, Sumner House, Watts Grove, London | - | 62 m² | - |
| Flat 56 Sumner House, Watts Grove, London | - | 37 m² | - |
| Flat 57 Sumner House, Watts Grove, London | Leasehold | 43 m² | £165,000 (2013) |
| Flat 58, Sumner House, Watts Grove, London | - | 70 m² | - |
| Flat 59 Sumner House, Watts Grove, London | - | 45 m² | - |
| Flat 60, Sumner House, Watts Grove, London | - | 72 m² | - |
