| 3 St. Marks House, Herbert Street, Northampton | - | 69 m² | - |
| 4 St. Marks House, Herbert Street, Northampton | - | 48 m² | - |
| 5 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 6 St. Marks House, Herbert Street, Northampton | - | 45 m² | - |
| 7 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 8 St. Marks House, Herbert Street, Northampton | - | 48 m² | - |
| 9 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 10 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 11 St. Marks House, Herbert Street, Northampton | - | 68 m² | - |
| 12 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 13 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 14 St. Marks House, Herbert Street, Northampton | - | 35 m² | - |
| 15 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 16 St. Marks House, Herbert Street, Northampton | - | 46 m² | - |
| 17 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 18 St. Marks House, Herbert Street, Northampton | - | 46 m² | - |
| 19 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 20 St. Marks House, Herbert Street, Northampton | - | 48 m² | - |
| 21 St. Marks House, Herbert Street, Northampton | - | 48 m² | - |
| 22 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 23 St. Marks House, Herbert Street, Northampton | - | 71 m² | - |
| 24 St. Marks House, Herbert Street, Northampton | - | 69 m² | - |
| 25 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 26 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 27 St. Marks House, Herbert Street, Northampton | - | 48 m² | - |
| 28 St. Marks House, Herbert Street, Northampton | - | 46 m² | - |
| 30 St. Marks House, Herbert Street, Northampton | - | 48 m² | - |
| 31 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 32 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 33 St. Marks House, Herbert Street, Northampton | - | 46 m² | - |
| 34 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 35 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 36 St. Marks House, Herbert Street, Northampton | - | 67 m² | - |
| 37 St. Marks House, Herbert Street, Northampton | - | 67 m² | - |
| 38 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 40 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 41 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 42 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 43 St. Marks House, Herbert Street, Northampton | - | 50 m² | - |
| 44 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 45 St. Marks House, Herbert Street, Northampton | - | 49 m² | - |
| 46 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 47 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 48 St. Marks House, Herbert Street, Northampton | - | 50 m² | - |
| 49 St. Marks House, Herbert Street, Northampton | - | 45 m² | - |
| 50 St. Marks House, Herbert Street, Northampton | - | 67 m² | - |
| 51 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 52 St. Marks House, Herbert Street, Northampton | - | 48 m² | - |
| 53 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 54 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |
| 55 St. Marks House, Herbert Street, Northampton | - | 47 m² | - |