| Flat 3, 1 Belsize Avenue, London, NW3 4BL | Mar 2015 | £970,000 | Flat / maisonette | Leasehold |
| Flat 20, 15 Belsize Avenue, London, NW3 4BL | Feb 2015 | £590,000 | Flat / maisonette | Leasehold |
| Flat 5, 15 Belsize Avenue, London, NW3 4BL | Mar 2014 | £460,000 | Flat / maisonette | Leasehold |
| Third Floor Flat, 23 Belsize Avenue, London, NW3 4BL | Jan 2014 | £485,000 | Flat / maisonette | Leasehold |
| Flat 2, 1 Belsize Avenue, London, NW3 4BL | Dec 2013 | £870,000 | Flat / maisonette | Leasehold |
| Basement Flat, 3 Belsize Avenue, London, NW3 4BL | Jul 2013 | £850,000 | Flat / maisonette | Leasehold |
| Flat 4, 5 Belsize Avenue, London, NW3 4BL | Jun 2013 | £360,000 | Flat / maisonette | Leasehold |
| 25B Belsize Avenue, London, NW3 4BL | May 2012 | £1,125,000 | Flat / maisonette | Leasehold |
| 23A Belsize Avenue, London, NW3 4BL | Mar 2012 | £930,000 | Flat / maisonette | Leasehold |
| Flat 8, 15 Belsize Avenue, London, NW3 4BL | Dec 2010 | £368,000 | Flat / maisonette | Leasehold |
| Flat 16, 15 Belsize Avenue, London, NW3 4BL | Aug 2010 | £380,000 | Flat / maisonette | Leasehold |
| Flat 1, 1 Belsize Avenue, London, NW3 4BL | Jun 2010 | £960,000 | Flat / maisonette | Leasehold |
| Flat 3, 15 Belsize Avenue, London, NW3 4BL | Nov 2009 | £265,000 | Flat / maisonette | Leasehold |
| 25A Belsize Avenue, London, NW3 4BL | Sep 2009 | £940,000 | Flat / maisonette | Leasehold |
| Second Floor Flat, 29 Belsize Avenue, London, NW3 4BL | May 2009 | £420,000 | Flat / maisonette | Leasehold |
| 25D Belsize Avenue, London, NW3 4BL | Jul 2008 | £774,000 | Flat / maisonette | Leasehold |
| Second Floor Flat, 9 Belsize Avenue, London, NW3 4BL | Jan 2008 | £650,000 | Flat / maisonette | Leasehold |
| Flat 18, 15 Belsize Avenue, London, NW3 4BL | Oct 2007 | £400,000 | Flat / maisonette | Leasehold |
| Flat 19, 15 Belsize Avenue, London, NW3 4BL | Sep 2007 | £365,000 | Flat / maisonette | Leasehold |
| Ground Floor Flat, 9 Belsize Avenue, London, NW3 4BL | May 2007 | £555,000 | Flat / maisonette | Leasehold |
| Flat 2, 11 Belsize Avenue, London, NW3 4BL | Nov 2006 | £389,000 | Flat / maisonette | Leasehold |
| Third Floor Flat, 7 Belsize Avenue, London, NW3 4BL | Mar 2006 | £407,500 | Flat / maisonette | Leasehold |
| Upper Ground Floor Flat, 7 Belsize Avenue, London, NW3 4BL | Nov 2005 | £478,500 | Flat / maisonette | Leasehold |
| Flat 5, 11 Belsize Avenue, London, NW3 4BL | Mar 2005 | £250,000 | Flat / maisonette | Leasehold |
| First Floor Flat, 9 Belsize Avenue, London, NW3 4BL | Feb 2005 | £425,000 | Flat / maisonette | Leasehold |
| Flat 7, 15 Belsize Avenue, London, NW3 4BL | Apr 2004 | £230,000 | Flat / maisonette | Leasehold |
| Flat 4, 3 Belsize Avenue, London, NW3 4BL | Dec 2003 | £278,000 | Flat / maisonette | Leasehold |
| 3B Belsize Avenue, London, NW3 4BL | Aug 2002 | £113,000 | Flat / maisonette | Leasehold |
| Flat 4, 1 Belsize Avenue, London, NW3 4BL | Mar 2001 | £425,000 | Flat / maisonette | Leasehold |
| Flat 2, 21 Belsize Avenue, London, NW3 4BL | Jul 2000 | £360,000 | Flat / maisonette | Leasehold |