| Flat 501 Northampton House, Wellington Street, Northampton | Leasehold | 55 m² | £122,000 (2002) |
| Flat 502 Northampton House, Wellington Street, Northampton | Leasehold | 33 m² | £76,450 (2002) |
| Flat 503 Northampton House, Wellington Street, Northampton | Leasehold | 37 m² | £89,995 (2006) |
| Flat 504 Northampton House, Wellington Street, Northampton | Leasehold | 50 m² | £60,000 (2009) |
| Flat 505 Northampton House, Wellington Street, Northampton | Leasehold | 39 m² | £77,000 (2006) |
| Flat 506 Northampton House, Wellington Street, Northampton | Leasehold | 42 m² | £94,250 (2002) |
| Flat 507 Northampton House, Wellington Street, Northampton | Leasehold | 56 m² | £130,000 (2002) |
| Flat 508 Northampton House, Wellington Street, Northampton | - | 56 m² | - |
| Flat 509, Northampton House, Wellington Street, Northampton | Leasehold | 58 m² | £126,500 (2002) |
| Flat 510, Northampton House, Wellington Street, Northampton | - | 52 m² | - |
| Flat 511 Northampton House, Wellington Street, Northampton | - | 54 m² | - |
| Flat 512 Northampton House, Wellington Street, Northampton | - | 55 m² | - |
| Flat 513 Northampton House, Wellington Street, Northampton | Leasehold | 36 m² | £80,000 (2024) |
| Flat 514 Northampton House, Wellington Street, Northampton | Leasehold | 58 m² | £136,500 (2003) |
| Flat 515 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £103,000 (2021) |
| Flat 516, Northampton House, Wellington Street, Northampton | Leasehold | 66 m² | £78,000 (2006) |
| Flat 517 Northampton House, Wellington Street, Northampton | - | 49 m² | - |
| Flat 518 Northampton House, Wellington Street, Northampton | Leasehold | 58 m² | £148,500 (2003) |
| Flat 601 Northampton House, Wellington Street, Northampton | Leasehold | 54 m² | £94,000 (2005) |
| Flat 602 Northampton House, Wellington Street, Northampton | Leasehold | 37 m² | £98,000 (2003) |
| Flat 603 Northampton House, Wellington Street, Northampton | Leasehold | 39 m² | £86,500 (2003) |
| Flat 604 Northampton House, Wellington Street, Northampton | - | 55 m² | - |
| Flat 605 Northampton House, Wellington Street, Northampton | Leasehold | 39 m² | £92,250 (2002) |
| Flat 606, Northampton House, Wellington Street, Northampton | Leasehold | 39 m² | £92,250 (2002) |
| Flat 607 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £145,350 (2003) |
| Flat 608 Northampton House, Wellington Street, Northampton | - | 55 m² | - |
| Flat 609 Northampton House, Wellington Street, Northampton | Leasehold | 58 m² | £85,000 (2016) |
| Flat 610 Northampton House, Wellington Street, Northampton | - | 53 m² | - |
| Flat 611 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £129,950 (2002) |
| Flat 612 Northampton House, Wellington Street, Northampton | Leasehold | 57 m² | £83,500 (2018) |
| Flat 613 Northampton House, Wellington Street, Northampton | Leasehold | 37 m² | £81,000 (2002) |
| Flat 614 Northampton House, Wellington Street, Northampton | Leasehold | 49 m² | £90,000 (2006) |
| Flat 615, Northampton House, Wellington Street, Northampton | - | 47 m² | - |
| Flat 616 Northampton House, Wellington Street, Northampton | Leasehold | 63 m² | £172,995 (2003) |
| Flat 617 Northampton House, Wellington Street, Northampton | - | 53 m² | - |
| Flat 618 Northampton House, Wellington Street, Northampton | Leasehold | 64 m² | £95,500 (2002) |
| Flat 701 Northampton House, Wellington Street, Northampton | Leasehold | 63 m² | £170,400 (2003) |
| Flat 702 Northampton House, Wellington Street, Northampton | Leasehold | 37 m² | £89,950 (2005) |
| Flat 703, Northampton House, Wellington Street, Northampton | Leasehold | 37 m² | £91,000 (2003) |
| Flat 704 Northampton House, Wellington Street, Northampton | Leasehold | 51 m² | £102,000 (2020) |
| Flat 705, Northampton House, Wellington Street, Northampton | Leasehold | 38 m² | £100,000 (2003) |
| Flat 707 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £134,000 (2003) |
| Flat 708 Northampton House, Wellington Street, Northampton | - | 53 m² | - |
| Flat 710 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £90,000 (2006) |
| Flat 711 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £94,000 (2022) |
| Flat 712 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £154,995 (2004) |
| Flat 713, Northampton House, Wellington Street, Northampton | Leasehold | 40 m² | £73,000 (2025) |
| Flat 714, Northampton House, Wellington Street, Northampton | Leasehold | 46 m² | £99,995 (2006) |
| Flat 716, Northampton House, Wellington Street, Northampton | - | 58 m² | - |
| Flat 718 Northampton House, Wellington Street, Northampton | Leasehold | 58 m² | £162,500 (2003) |
| Flat 801, Northampton House, Wellington Street, Northampton | Leasehold | 54 m² | £83,000 (2024) |
| Flat 802 Northampton House, Wellington Street, Northampton | Leasehold | 38 m² | £49,995 (2015) |
| Flat 803 Northampton House, Wellington Street, Northampton | Leasehold | 37 m² | £105,000 (2003) |
| Flat 804 Northampton House, Wellington Street, Northampton | Leasehold | 54 m² | £92,500 (2006) |
| Flat 805, Northampton House, Wellington Street, Northampton | Leasehold | 39 m² | £122,995 (2003) |
| Flat 806 Northampton House, Wellington Street, Northampton | Leasehold | 38 m² | £105,000 (2002) |
| Flat 807, Northampton House, Wellington Street, Northampton | Leasehold | 55 m² | £81,000 (2016) |
| Flat 808 Northampton House, Wellington Street, Northampton | - | 56 m² | - |
| Flat 809, Northampton House, Wellington Street, Northampton | Leasehold | 61 m² | £131,000 (2004) |
| Flat 810 Northampton House, Wellington Street, Northampton | Leasehold | 52 m² | £165,995 (2003) |
| Flat 811 Northampton House, Wellington Street, Northampton | Leasehold | 53 m² | £85,000 (2022) |
| Flat 812 Northampton House, Wellington Street, Northampton | Leasehold | 57 m² | £81,000 (2018) |
| Flat 813 Northampton House, Wellington Street, Northampton | Leasehold | 37 m² | £121,995 (2003) |
| Flat 814, Northampton House, Wellington Street, Northampton | Leasehold | 44 m² | £75,000 (2025) |
| Flat 815 Northampton House, Wellington Street, Northampton | Leasehold | 44 m² | £127,000 (2002) |
| Flat 816 Northampton House, Wellington Street, Northampton | Leasehold | 65 m² | £136,000 (2003) |
| Flat 817 Northampton House, Wellington Street, Northampton | Leasehold | 56 m² | £55,000 (2014) |
| Flat 818 Northampton House, Wellington Street, Northampton | Leasehold | 54 m² | £91,000 (2007) |