| Flat 78, 15 Portman Square, London, W1H 6LL | Aug 2026 | £1,012,500 | Flat / maisonette | Leasehold |
| Flat 26, Fitzhardinge House Portman Square, London, W1H 6LQ | Jul 2026 | £400,000 | Other property | Leasehold |
| Flat 37, Orchard Court Portman Square, London, W1H 6LF | Dec 2025 | £6,555,000 | Flat / maisonette | Leasehold |
| Flat 66, 15 Portman Square, London, W1H 6LJ | Oct 2025 | £2,700,000 | Flat / maisonette | Leasehold |
| Flat 54, 15 Portman Square, London, W1H 6LJ | Jul 2025 | £2,100,000 | Flat / maisonette | Leasehold |
| Flat 1, 15 Portman Square, London, W1H 6LJ | Feb 2025 | £25,000 | Other property | Leasehold |
| Flat 22, Fitzhardinge House Portman Square, London, W1H 6LQ | Oct 2024 | £2,000,000 | Flat / maisonette | Leasehold |
| Flat 56, Fitzhardinge House Portman Square, London, W1H 6LH | Oct 2024 | £2,000,000 | Flat / maisonette | Leasehold |
| Flat 68, 15 Portman Square, London, W1H 6LL | Jun 2024 | £2,000,000 | Flat / maisonette | Leasehold |
| Flat 65, Fitzhardinge House Portman Square, London, W1H 6LH | May 2024 | £4,000,000 | Flat / maisonette | Leasehold |
| Flat 63, Fitzhardinge House Portman Square, London, W1H 6LH | Apr 2024 | £5,000,000 | Flat / maisonette | Leasehold |
| Flat 89, 15 Portman Square, London, W1H 6LL | Dec 2023 | £1,340,000 | Flat / maisonette | Leasehold |
| Flat 41, 15 Portman Square, London, W1H 6LJ | Nov 2023 | £975,000 | Flat / maisonette | Leasehold |
| Flat 96, 15 Portman Square, London, W1H 6LL | Nov 2023 | £1,200,000 | Flat / maisonette | Leasehold |
| Flat 3, 15 Portman Square, London, W1H 6LJ | Oct 2023 | £450,000 | Flat / maisonette | Leasehold |
| Flat 40, Orchard Court Portman Square, London, W1H 6LF | Sep 2023 | £6,700,000 | Flat / maisonette | Leasehold |
| Flat 16, 15 Portman Square, London, W1H 6LJ | Aug 2023 | £2,715,000 | Flat / maisonette | Leasehold |
| Flat 26, 15 Portman Square, London, W1H 6LJ | Jul 2023 | £1,950,000 | Flat / maisonette | Leasehold |
| Fourth Floor Premises North, 35 - 38 Portman Square, London, W1H 6LR | May 2023 | £294,000 | Other property | Leasehold |
| Flat 30, 15 Portman Square, London, W1H 6LJ | Jan 2023 | £2,545,000 | Flat / maisonette | Leasehold |
| Flat 72, 15 Portman Square, London, W1H 6LL | Dec 2022 | £920,000 | Flat / maisonette | Leasehold |
| Flat 23, Orchard Court Portman Square, London, W1H 6LE | Nov 2022 | £10,000,000 | Flat / maisonette | Leasehold |
| Flat 29, 15 Portman Square, London, W1H 6LJ | Jul 2022 | £2,150,000 | Flat / maisonette | Leasehold |
| Flat 37, 15 Portman Square, London, W1H 6LJ | Jul 2022 | £2,000,000 | Flat / maisonette | Leasehold |
| Flat 42, Orchard Court Portman Square, London, W1H 6LF | Mar 2022 | £5,400,000 | Flat / maisonette | Leasehold |
| Flat 57, Fitzhardinge House Portman Square, London, W1H 6LH | Mar 2022 | £507,000 | Flat / maisonette | Leasehold |
| Flat 20, Orchard Court Portman Square, London, W1H 6LE | Oct 2021 | £8,000,000 | Other property | Leasehold |
| Flat 2, Fitzhardinge House Portman Square, London, W1H 6LQ | Sep 2021 | £1,725,000 | Flat / maisonette | Leasehold |
| Flat 67, 15 Portman Square, London, W1H 6LL | Jul 2021 | £1,700,000 | Flat / maisonette | Leasehold |
| Flat 101, 15 Portman Square, London, W1H 6LL | Mar 2021 | £1,350,000 | Flat / maisonette | Leasehold |