| Flat 2, 22 Belsize Avenue, London, NW3 4AU | Dec 2025 | £545,000 | Flat / maisonette | Leasehold |
| Flat 11, 28 Belsize Avenue, London, NW3 4AU | Oct 2025 | £360,000 | Flat / maisonette | Leasehold |
| 16B Belsize Avenue, London, NW3 4AU | Jul 2023 | £870,000 | Flat / maisonette | Leasehold |
| Second Floor Flat, 16 Belsize Avenue, London, NW3 4AU | Dec 2022 | £510,000 | Flat / maisonette | Leasehold |
| Flat 4, 26 Belsize Avenue, London, NW3 4AU | Nov 2022 | £530,000 | Flat / maisonette | Leasehold |
| Flat 1, 26 Belsize Avenue, London, NW3 4AU | Aug 2022 | £1,510,000 | Flat / maisonette | Leasehold |
| Flat 6, 26 Belsize Avenue, London, NW3 4AU | Jun 2021 | £531,000 | Flat / maisonette | Leasehold |
| Rear Second Floor Flat, 16 Belsize Avenue, London, NW3 4AU | Feb 2019 | £575,000 | Flat / maisonette | Leasehold |
| Flat 12, 28 Belsize Avenue, London, NW3 4AU | May 2018 | £550,000 | Flat / maisonette | Leasehold |
| Flat 2, 26 Belsize Avenue, London, NW3 4AU | Apr 2017 | £1,040,000 | Flat / maisonette | Leasehold |
| 4 Belsize Avenue, London, NW3 4AU | Jul 2014 | £1,800,000 | Terraced | Freehold |
| Flat 1, 16 Belsize Avenue, London, NW3 4AU | Mar 2014 | £525,000 | Flat / maisonette | Leasehold |
| 8 Belsize Avenue, London, NW3 4AU | Oct 2013 | £1,450,000 | Terraced | Freehold |
| 12 Belsize Avenue, London, NW3 4AU | Mar 2013 | £1,175,000 | Terraced | Freehold |
| Flat 9, 28 Belsize Avenue, London, NW3 4AU | Feb 2012 | £850,000 | Flat / maisonette | Leasehold |
| 2 Belsize Avenue, London, NW3 4AU | Aug 2010 | £1,165,000 | Semi-detached | Freehold |
| Flat 7, 26 Belsize Avenue, London, NW3 4AU | Oct 2009 | £280,100 | Flat / maisonette | Leasehold |
| 14 Belsize Avenue, London, NW3 4AU | Sep 2008 | £750,000 | Detached | Freehold |
| Flat 3, 22 Belsize Avenue, London, NW3 4AU | Mar 2007 | £275,000 | Flat / maisonette | Leasehold |
| First Floor Front Flat, 16 Belsize Avenue, London, NW3 4AU | Sep 2006 | £250,000 | Flat / maisonette | Leasehold |
| 6 Belsize Avenue, London, NW3 4AU | Aug 2006 | £620,000 | Terraced | Freehold |
| Second Floor Flat, 18 Belsize Avenue, London, NW3 4AU | Mar 2006 | £303,500 | Flat / maisonette | Leasehold |
| Flat 4, 22 Belsize Avenue, London, NW3 4AU | Oct 2002 | £249,750 | Flat / maisonette | Leasehold |
| Flat 10, 28 Belsize Avenue, London, NW3 4AU | May 2002 | £480,000 | Flat / maisonette | Leasehold |
| Flat 14, 28 Belsize Avenue, London, NW3 4AU | Jan 2000 | £165,000 | Flat / maisonette | Leasehold |
| Flat 6, 22 Belsize Avenue, London, NW3 4AU | Jul 1999 | £277,500 | Flat / maisonette | Leasehold |
| Flat 3, 24 Belsize Avenue, London, NW3 4AU | Mar 1999 | £224,000 | Flat / maisonette | Leasehold |
| First Floor Flat, 16 Belsize Avenue, London, NW3 4AU | Jul 1998 | £170,000 | Flat / maisonette | Leasehold |
| Flat 5, 22 Belsize Avenue, London, NW3 4AU | May 1998 | £137,500 | Flat / maisonette | Leasehold |
| 24 Belsize Avenue, London, NW3 4AU | Jan 1998 | £760,000 | Detached | Freehold |