| 1A Salisbury House, Park Avenue North, Northampton | Leasehold | 70 m² | £125,000 (2014) |
| 1B Salisbury House, Park Avenue North, Northampton | Leasehold | 49 m² | £199,950 (2025) |
| 1C Salisbury House, Park Avenue North, Northampton | Leasehold | 79 m² | £212,000 (2025) |
| 7, Park Avenue North, Northampton | Freehold | 187 m² | £375,000 (2021) |
| 11, Park Avenue North, Northampton | Freehold | 181 m² | £285,000 (2013) |
| 13, Park Avenue North, Northampton | - | 209 m² | - |
| 15, Park Avenue North, Northampton | Freehold | 229 m² | £382,500 (2009) |
| 17, Park Avenue North, Northampton | Freehold | 153 m² | £312,500 (2013) |
| 19, Park Avenue North, Northampton | Freehold | 164 m² | £299,000 (2012) |
| 23 Park Avenue North, Northampton | Freehold | 236 m² | £475,000 (2021) |
| 25 Park Avenue North, Northampton | Freehold | 200 m² | £330,000 (2010) |
| 27 Park Avenue North, Northampton | Freehold | 233 m² | £545,000 (2023) |
| 29 Park Avenue North, Northampton | Freehold | 242 m² | £135,000 (1999) |
| 37, Park Avenue North, Northampton | Freehold | 211 m² | £340,000 (2012) |
| 41, Park Avenue North, Northampton | Freehold | 296 m² | £520,000 (2019) |
| 41A Park Avenue North, Northampton | Freehold | 160 m² | £140,000 (2017) |
| 43, Park Avenue North, Northampton | Freehold | 212 m² | £375,650 (2015) |
| 45 Park Avenue North, Northampton | Freehold | 220 m² | £585,000 (2025) |
| Flat 1, Epworth House, 3 Park Avenue North, Northampton | - | 44 m² | - |
| Flat 2, Epworth House, 3 Park Avenue North, Northampton | - | 25 m² | - |
| Flat 3, Epworth House, 3 Park Avenue North, Northampton | - | 27 m² | - |
| Flat 4 Epworth House, 3, Park Avenue North, Northampton | - | 24 m² | - |
| Flat 5, Epworth House, 3 Park Avenue North, Northampton | - | 27 m² | - |
| Flat 6, Epworth House, 3 Park Avenue North, Northampton | - | 26 m² | - |
| Flat 6A, Epworth House, 3 Park Avenue North, Northampton | - | 23 m² | - |
| Flat 7, Epworth House, 3 Park Avenue North, Northampton | - | 49 m² | - |
| Flat 8, Epworth House, 3 Park Avenue North, Northampton | - | 39 m² | - |
| Flat 9, Epworth House, 3 Park Avenue North, Northampton | - | 28 m² | - |
| Flat 10, Epworth House, 3 Park Avenue North, Northampton | - | 27 m² | - |
| Flat 11 Epworth House, 3, Park Avenue North, Northampton | - | 26 m² | - |
| Flat 12 Epworth House, 3, Park Avenue North, Northampton | - | 35 m² | - |
| Flat 13, Epworth House, 3 Park Avenue North, Northampton | - | 27 m² | - |
| Flat 14, Epworth House, 3 Park Avenue North, Northampton | - | 27 m² | - |
| Flat 15, Epworth House, 3 Park Avenue North, Northampton | - | 27 m² | - |
| Flat 16, Epworth House, 3 Park Avenue North, Northampton | - | 27 m² | - |