| 1, Willow Brook Square, Northampton | Freehold | 80 m² | £144,000 (2018) |
| 4 Willow Brook Square, Northampton | Freehold | 86 m² | £160,000 (2019) |
| 5, Willow Brook Square, Northampton | Freehold | 87 m² | £165,000 (2020) |
| 6 Willow Brook Square, Northampton | - | 78 m² | - |
| 8, Willow Brook Square, Northampton | Freehold | 88 m² | £100,000 (2008) |
| 9, Willow Brook Square, Northampton | - | 126 m² | - |
| 11, Willow Brook Square, Northampton | - | 79 m² | - |
| 12 Willow Brook Square, Northampton | - | 88 m² | - |
| 13 Willow Brook Square, Northampton | Freehold | 85 m² | £102,500 (2014) |
| 14 Willow Brook Square, Northampton | - | 80 m² | - |
| 15 Willow Brook Square, Northampton | - | 61 m² | - |
| 16 Willow Brook Square, Northampton | - | 40 m² | - |
| 17, Willow Brook Square, Northampton | - | 60 m² | - |
| 18, Willow Brook Square, Northampton | - | 46 m² | - |
| 19, Willow Brook Square, Northampton | - | 61 m² | - |
| 20, Willow Brook Square, Northampton | - | 60 m² | - |
| 22 Willow Brook Square, Northampton | - | 78 m² | - |
| 23 Willow Brook Square, Northampton | - | 79 m² | - |
| 24 Willow Brook Square, Northampton | - | 79 m² | - |
| 25, Willow Brook Square, Northampton | - | 112 m² | - |
| 26, Willow Brook Square, Northampton | Freehold | 81 m² | £85,000 (2010) |
| 27 Willow Brook Square, Northampton | - | 80 m² | - |
| 28, Willow Brook Square, Northampton | Freehold | 86 m² | £157,000 (2019) |
| 31, Willow Brook Square, Northampton | Freehold | 87 m² | £179,500 (2022) |
| 32, Willow Brook Square, Northampton | Freehold | 89 m² | £175,000 (2021) |
| 33 Willow Brook Square, Northampton | - | 87 m² | - |
