| Flat 901 Northampton House, Wellington Street, Northampton | Leasehold | 59 m² | £117,950 (2002) |
| Flat 902 Northampton House, Wellington Street, Northampton | Leasehold | 39 m² | £86,000 (2001) |
| Flat 903, Northampton House, Wellington Street, Northampton | Leasehold | 36 m² | £54,000 (2015) |
| Flat 904 Northampton House, Wellington Street, Northampton | Leasehold | 43 m² | £112,500 (2001) |
| Flat 905 Northampton House, Wellington Street, Northampton | Leasehold | 39 m² | £55,000 (2015) |
| Flat 906 Northampton House, Wellington Street, Northampton | Leasehold | 55 m² | £55,000 (2015) |
| Flat 907 Northampton House, Wellington Street, Northampton | Leasehold | 48 m² | £110,000 (2023) |
| Flat 908 Northampton House, Wellington Street, Northampton | - | 58 m² | - |
| Flat 909 Northampton House, Wellington Street, Northampton | Leasehold | 57 m² | £75,000 (2018) |
| Flat 910 Northampton House, Wellington Street, Northampton | Leasehold | 52 m² | £155,000 (2003) |
| Flat 911 Northampton House, Wellington Street, Northampton | Leasehold | 38 m² | £105,000 (2023) |
| Flat 912 Northampton House, Wellington Street, Northampton | Leasehold | 52 m² | £80,000 (2018) |
| Flat 913, Northampton House, Wellington Street, Northampton | Leasehold | 37 m² | £76,000 (2018) |
| Flat 914, Northampton House, Wellington Street, Northampton | Leasehold | 50 m² | £86,000 (2018) |
| Flat 915 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £130,000 (2005) |
| Flat 916 Northampton House, Wellington Street, Northampton | Leasehold | 63 m² | £125,000 (2004) |
| Flat 918 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £81,000 (2008) |
| Flat 1001 Northampton House, Wellington Street, Northampton | Leasehold | 59 m² | £76,000 (2016) |
| Flat 1002 Northampton House, Wellington Street, Northampton | Leasehold | 37 m² | £82,500 (2001) |
| Flat 1003 Northampton House, Wellington Street, Northampton | Leasehold | 38 m² | £55,000 (2015) |
| Flat 1004 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £113,663 (2001) |
| Flat 1005, Northampton House, Wellington Street, Northampton | Leasehold | 37 m² | £85,400 (2003) |
| Flat 1006 Northampton House, Wellington Street, Northampton | - | 37 m² | - |
| Flat 1007 Northampton House, Wellington Street, Northampton | Leasehold | 58 m² | £84,500 (2020) |
| Flat 1008, Northampton House, Wellington Street, Northampton | Leasehold | 56 m² | £149,995 (2003) |
| Flat 1009 Northampton House, Wellington Street, Northampton | Leasehold | 63 m² | £146,000 (2004) |
| Flat 1010 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £130,000 (2005) |
| Flat 1011 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £99,000 (2007) |
| Flat 1012 Northampton House, Wellington Street, Northampton | Leasehold | 57 m² | £81,000 (2018) |
| Flat 1013 Northampton House, Wellington Street, Northampton | Leasehold | 40 m² | £60,000 (2016) |
| Flat 1014 Northampton House, Wellington Street, Northampton | Leasehold | 47 m² | £100,000 (2004) |
| Flat 1015 Northampton House, Wellington Street, Northampton | Leasehold | 66 m² | £75,000 (2018) |
| Flat 1016 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £128,500 (2003) |
| Flat 1017, Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £72,000 (2025) |
| Flat 1018 Northampton House, Wellington Street, Northampton | Leasehold | 54 m² | £165,000 (2003) |
| Penthouse 1 Northampton House, Wellington Street, Northampton | Leasehold | 52 m² | £510,000 (2023) |
| Penthouse 2 Northampton House, Wellington Street, Northampton | Leasehold | 38 m² | £90,000 (2006) |
| Penthouse 3 Northampton House, Wellington Street, Northampton | Leasehold | 29 m² | £85,400 (2002) |
| Penthouse 4 Northampton House, Wellington Street, Northampton | Leasehold | 56 m² | £120,000 (2006) |
| Penthouse 5 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £85,400 (2003) |
| Penthouse 6 Northampton House, Wellington Street, Northampton | Leasehold | 38 m² | £90,000 (2006) |
| Penthouse 7 Northampton House, Wellington Street, Northampton | Leasehold | 55 m² | £120,000 (2006) |
| Penthouse 8 Northampton House, Wellington Street, Northampton | Leasehold | 56 m² | £85,400 (2002) |
| Penthouse 9 Northampton House, Wellington Street, Northampton | Leasehold | 52 m² | £90,000 (2016) |
| Penthouse 10 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £85,400 (2003) |
| Penthouse 11 Northampton House, Wellington Street, Northampton | Leasehold | 52 m² | £120,000 (2006) |
| Penthouse 12 Northampton House, Wellington Street, Northampton | Leasehold | 58 m² | £85,400 (2003) |
| Penthouse 13 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £85,400 (2003) |
| Penthouse 14 Northampton House, Wellington Street, Northampton | Leasehold | 47 m² | £85,400 (2003) |
| Penthouse 15 Northampton House, Wellington Street, Northampton | Leasehold | 58 m² | £120,000 (2006) |
| Penthouse 16 Northampton House, Wellington Street, Northampton | Leasehold | 64 m² | £85,400 (2003) |
| Penthouse 17 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £85,400 (2003) |
| Penthouse 18 Northampton House, Wellington Street, Northampton | Leasehold | 58 m² | £85,400 (2003) |