| Flat 1 Northumberland House, 237, Ballards Lane, London | - | 76 m² | - |
| Flat 2 Northumberland House, 237, Ballards Lane, London | Leasehold | 76 m² | £468,000 (2022) |
| Flat 3, Northumberland House, 237 Ballards Lane, London | Leasehold | 74 m² | £170,000 (2001) |
| Flat 4, Northumberland House, 237 Ballards Lane, London | Leasehold | 59 m² | £196,000 (2008) |
| Flat 5 Northumberland House, 237, Ballards Lane, London | Leasehold | 84 m² | £269,950 (2007) |
| Flat 6, Northumberland House, 237 Ballards Lane, London | Leasehold | 82 m² | £412,000 (2026) |
| Flat 7, Northumberland House, 237 Ballards Lane, London | Leasehold | 69 m² | £415,000 (2026) |
| Flat 8 Northumberland House, 237, Ballards Lane, London | Leasehold | 51 m² | £250,000 (2023) |
| Flat 9, Northumberland House, 237 Ballards Lane, London | Leasehold | 87 m² | £430,000 (2023) |
| Flat 11 Northumberland House, 237, Ballards Lane, London | Leasehold | 72 m² | £213,000 (2005) |
| Flat 12 Northumberland House, 237, Ballards Lane, London | Leasehold | 58 m² | £92,500 (1998) |
| Flat 12/A Northumberland House, 237, Ballards Lane, London | - | 83 m² | - |
| Flat 14, Northumberland House, London | Leasehold | 83 m² | £227,000 (2006) |
| Flat 15 Northumberland House, 237, Ballards Lane, London | Leasehold | 71 m² | £235,000 (2005) |
| Flat 16, Northumberland House, 237 Ballards Lane, London | Leasehold | 59 m² | £127,000 (2000) |
| Flat 17, Northumberland House, 237 Ballards Lane, London | Leasehold | 74 m² | £421,000 (2021) |
| Flat 18 Northumberland House, 237, Ballards Lane, London | Leasehold | 46 m² | £118,000 (1998) |
| Flat 19 Northumberland House, 237 Ballards Lane, London | - | 88 m² | - |
| Flat 20 Northumberland House, 237, Ballards Lane, London | Leasehold | 74 m² | £309,950 (2011) |
| Flat 21, Northumberland House, 237 Ballards Lane, London | Leasehold | 76 m² | £350,000 (2023) |
| Flat 22 Northumberland House, 237, Ballards Lane, London | Leasehold | 85 m² | £427,000 (2019) |
| Flat 23 Northumberland House, 237, Ballards Lane, London | Leasehold | 73 m² | £293,000 (2013) |
| Flat 24, Northumberland House, 237 Ballards Lane, London | Leasehold | 72 m² | £250,000 (2025) |
| Flat 25 Northumberland House, 237, Ballards Lane, London | Leasehold | 85 m² | £381,625 (2015) |
| Flat 26 Northumberland House, 237, Ballards Lane, London | - | 76 m² | - |
| Flat 28 Northumberland House, 237, Ballards Lane, London | Leasehold | 85 m² | £460,000 (2016) |
| Flat 29 Northumberland House, 237, Ballards Lane, London | Leasehold | 94 m² | £526,500 (2020) |
