| Flat 29 Fitzhardinge House, 12-14 Portman Square, London | - | 85 m² | - |
| Flat 30 Fitzhardinge House, Portman Square, London | - | 85 m² | - |
| Flat 31, Fitzhardinge House, Portman Square, London | Leasehold | 56 m² | £1,200,000 (2014) |
| Flat 33 Fitzhardinge House, Portman Square, London | - | 84 m² | - |
| Flat 34, Fitzhardinge House, Portman Square, London | - | 80 m² | - |
| Flat 36, Fitzhardinge House, Portman Square, London | Leasehold | 79 m² | £1,435,000 (2011) |
| Flat 37, Fitzhardinge House, Portman Square, London | - | 86 m² | - |
| Flat 39, Fitzhardinge House, Portman Square, London | - | 59 m² | - |
| Flat 40 Fitzhardinge House, Portman Square, London | Leasehold | 87 m² | £665,000 (2006) |
| Flat 41, Fitzhardinge House, Portman Square, London | - | 85 m² | - |
| Flat 42, Fitzhardinge House, Portman Square, London | Leasehold | 56 m² | £585,000 (2011) |
| Flat 43 Fitzhardinge House, Portman Square, London | Leasehold | 76 m² | £250,000 (2018) |
| Flat 44 Fitzhardinge House, Portman Square, London | Leasehold | 86 m² | £2,100,000 (2015) |
| Flat 48 Fitzhardinge House, Portman Square, London | Leasehold | 83 m² | £500,000 (2005) |
| Flat 51 Fitzhardinge House, Portman Square, London | Leasehold | 85 m² | £665,000 (2006) |
| Flat 52, Fitzhardinge House, Portman Square, London | - | 85 m² | - |
| Flat 54, Fitzhardinge House, Portman Square, London | Leasehold | 73 m² | £520,000 (2006) |
| Flat 56, Fitzhardinge House, Portman Square, London | Leasehold | 89 m² | £2,000,000 (2024) |
| Flat 57, Fitzhardinge House, Portman Square, London | Leasehold | 49 m² | £507,000 (2022) |
| Flat 58 Fitzhardinge House, Portman Square, London | Leasehold | 84 m² | £875,000 (2009) |
| Flat 61 Fitzhardinge House, Portman Square, London | Leasehold | 59 m² | £655,000 (2011) |
| Flat 62, Fitzhardinge House, Portman Square, London | - | 177 m² | - |
| Flat 65 Fitzhardinge House, Portman Square, London | Leasehold | 201 m² | £4,000,000 (2024) |
