| 1 John Perrin Place, Harrow | - | 40 m² | - |
| 3 John Perrin Place, Harrow | - | 40 m² | - |
| 4, John Perrin Place, Harrow | - | 39 m² | - |
| 6, John Perrin Place, Harrow | - | 36 m² | - |
| 7, John Perrin Place, Harrow | Leasehold | 43 m² | £150,000 (2008) |
| 8 John Perrin Place, Harrow | Leasehold | 40 m² | £152,500 (2008) |
| 9, John Perrin Place, Harrow | - | 38 m² | - |
| 10, John Perrin Place, Harrow | - | 40 m² | - |
| 13, John Perrin Place, Harrow | - | 40 m² | - |
| 16 John Perrin Place, Harrow | - | 36 m² | - |
| 17, John Perrin Place, Harrow | - | 36 m² | - |
| 18 John Perrin Place, Harrow | Leasehold | 43 m² | £159,950 (2013) |
| 19 John Perrin Place, Harrow | - | 43 m² | - |
| 20 John Perrin Place, Harrow | - | 43 m² | - |
| 21 John Perrin Place, Harrow | - | 43 m² | - |
| 22 John Perrin Place, Harrow | - | 42 m² | - |
| 23 John Perrin Place, Harrow | - | 40 m² | - |
| 24, John Perrin Place, Harrow | - | 42 m² | - |
| 25, John Perrin Place, Harrow | - | 40 m² | - |
| 26 John Perrin Place, Harrow | Leasehold | 45 m² | £132,000 (2005) |
| 27 John Perrin Place, Harrow | - | 40 m² | - |
| 29 John Perrin Place, Harrow | Leasehold | 38 m² | £170,000 (2014) |
| 30 John Perrin Place, Harrow, Harrow | - | 41 m² | - |
| 31 John Perrin Place, Harrow | Leasehold | 42 m² | £150,000 (2007) |
| 32 John Perrin Place, Harrow | Leasehold | 40 m² | £240,000 (2017) |
| 34, John Perrin Place, Harrow | - | 40 m² | - |
| 35, John Perrin Place, Harrow | - | 42 m² | - |
| 36, John Perrin Place, Harrow | - | 37 m² | - |
| 37, John Perrin Place, Harrow | - | 40 m² | - |
| 38, John Perrin Place, Harrow | - | 43 m² | - |