| Flat 40, Westminster Mansions Great Smith Street, London, SW1P 3BP | Jul 2026 | £1,320,000 | Flat / maisonette | Leasehold |
| Flat 42, Westminster Mansions Great Smith Street, London, SW1P 3BP | Oct 2025 | £472,000 | Flat / maisonette | Leasehold |
| Flat 39, Westminster Mansions Great Smith Street, London, SW1P 3BP | Nov 2024 | £575,000 | Flat / maisonette | Leasehold |
| Flat 32, Westminster Mansions Great Smith Street, London, SW1P 3BP | Oct 2023 | £1,425,000 | Flat / maisonette | Leasehold |
| Flat 24, Westminster Mansions Great Smith Street, London, SW1P 3BP | Nov 2022 | £502,000 | Flat / maisonette | Leasehold |
| Flat 34, Westminster Mansions Great Smith Street, London, SW1P 3BP | Aug 2022 | £1,900,000 | Flat / maisonette | Leasehold |
| Flat 28, Westminster Mansions Great Smith Street, London, SW1P 3BP | Sep 2021 | £1,125,000 | Flat / maisonette | Leasehold |
| Flat 45B, Westminster Mansions Great Smith Street, London, SW1P 3BP | May 2018 | £521,610 | Flat / maisonette | Leasehold |
| Flat 45A, Westminster Mansions Great Smith Street, London, SW1P 3BP | Jan 2018 | £485,000 | Flat / maisonette | Leasehold |
| Flat 25, Westminster Mansions Great Smith Street, London, SW1P 3BP | Dec 2014 | £1,511,050 | Flat / maisonette | Leasehold |
| Flat 38, Westminster Mansions Great Smith Street, London, SW1P 3BP | Oct 2014 | £2,300,000 | Flat / maisonette | Leasehold |
| Flat 30, Westminster Mansions Great Smith Street, London, SW1P 3BP | May 2014 | £2,000,000 | Flat / maisonette | Leasehold |
| Flat 37, Westminster Mansions Great Smith Street, London, SW1P 3BP | Mar 2014 | £480,000 | Flat / maisonette | Leasehold |
| Flat 27, Westminster Mansions Great Smith Street, London, SW1P 3BP | Nov 2013 | £565,000 | Flat / maisonette | Leasehold |
| Flat 20, Westminster Mansions Great Smith Street, London, SW1P 3BP | Aug 2010 | £250,000 | Flat / maisonette | Leasehold |
| Flat 21, Westminster Mansions Great Smith Street, London, SW1P 3BP | Mar 2010 | £192,000 | Flat / maisonette | Leasehold |
| Flat 41, Westminster Mansions Great Smith Street, London, SW1P 3BP | Jan 2007 | £276,000 | Flat / maisonette | Leasehold |
| Flat 44, Westminster Mansions Great Smith Street, London, SW1P 3BP | Oct 2006 | £310,500 | Flat / maisonette | Leasehold |
| Flat 29, Westminster Mansions Great Smith Street, London, SW1P 3BP | Oct 2006 | £235,000 | Flat / maisonette | Leasehold |
| Flat 26, Westminster Mansions Great Smith Street, London, SW1P 3BP | Sep 2004 | £194,500 | Flat / maisonette | Leasehold |
| Flat 33, Westminster Mansions Great Smith Street, London, SW1P 3BP | May 2004 | £205,000 | Flat / maisonette | Leasehold |
| Flat 22, Westminster Mansions Great Smith Street, London, SW1P 3BP | Jul 2000 | £345,000 | Flat / maisonette | Leasehold |
| Flat 36, Westminster Mansions Great Smith Street, London, SW1P 3BP | Nov 1998 | £177,000 | Flat / maisonette | Leasehold |
| Flat 46, Westminster Mansions Great Smith Street, London, SW1P 3BP | Dec 1996 | £95,000 | Flat / maisonette | Leasehold |