| 2 Penthouse Northumberland Court, Northumberland Avenue, Margate | Leasehold | 94 m² | £255,000 (2018) |
| 8 Northumberland Court, 2 Northumberland Avenue, Margate, Margate | Leasehold | 53 m² | £65,000 (2021) |
| 14 Northumberland Court, 2 Northumberland Avenue, Margate, Margate | Leasehold | 58 m² | £70,000 (2025) |
| Flat 1 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 30 m² | £47,000 (2020) |
| Flat 2 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 60 m² | £65,000 (2013) |
| Flat 3 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 63 m² | £124,000 (2014) |
| Flat 4, Northumberland Court, Northumberland Avenue, Margate | Leasehold | 78 m² | £120,000 (2021) |
| Flat 5, Northumberland Court, Northumberland Avenue, Margate | - | 83 m² | - |
| Flat 6 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 73 m² | £135,000 (2019) |
| Flat 7 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 45 m² | £76,000 (2013) |
| Flat 9 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 79 m² | £210,000 (2017) |
| Flat 10 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 56 m² | £127,500 (2004) |
| Flat 11 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 55 m² | £100,000 (2014) |
| Flat 12, Northumberland Court, Northumberland Avenue, Margate | Leasehold | 56 m² | £40,250 (1999) |
| Flat 15 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 69 m² | £185,000 (2017) |
| Flat 17 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 48 m² | £115,500 (2017) |
| Flat 18 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 46 m² | £97,500 (2014) |
| Flat 19 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 101 m² | £260,000 (2020) |
| Flat 20 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 40 m² | £150,000 (2016) |
| Flat 22 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 54 m² | £170,000 (2022) |
| Flat 23 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 60 m² | £57,000 (2002) |
| Flat 24 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 69 m² | £100,000 (2016) |
| Flat 25, Northumberland Court, Northumberland Avenue, Margate | Leasehold | 69 m² | £190,000 (2021) |
| Flat 26 Northumberland Court, Northumberland Avenue, Margate | Leasehold | 44 m² | £98,500 (2016) |
| Flat 27, Northumberland Court, Northumberland Avenue, Margate | Leasehold | 45 m² | £97,000 (2024) |
| Flat 28, Northumberland Court, Northumberland Avenue, Cliftonville, Margate | Leasehold | 77 m² | £100,000 (2006) |
| Flat 29, Northumberland Court, Northumberland Avenue, Margate | Leasehold | 54 m² | £135,000 (2023) |
| Flat 30, Northumberland Court, Northumberland Avenue, Margate | Leasehold | 54 m² | £173,000 (2018) |
| Flat 31, Northumberland Court, Northumberland Avenue, Margate | Leasehold | 54 m² | £105,000 (2009) |
| Flat 32, Northumberland Court, Northumberland Avenue, Margate | Leasehold | 58 m² | £80,000 (2010) |
| Flat 33, Northumberland Court, Northumberland Avenue, Margate | Leasehold | 67 m² | £112,000 (2016) |
| Flat 35, Northumberland Court, Northumberland Avenue, Margate | Leasehold | 67 m² | £105,000 (2019) |
| Flat 36, Northumberland Court, Northumberland Avenue, Margate | Leasehold | 52 m² | £105,000 (2015) |
| Flat 37, Northumberland Court, Northumberland Avenue, Margate | Leasehold | 34 m² | £77,500 (2004) |
| Flat C Northumberland Court, Northumberland Avenue, Margate | Leasehold | 101 m² | £124,000 (2006) |
| Flat D Northumberland Court, Northumberland Avenue, Margate | Leasehold | 77 m² | £112,500 (2017) |
