BOS cons
Where possible, links go to a gallery page for that convention.| year | time | date | venue | guest |
| 2008 | Spring | Mar 29/30 | Nottingham | Max Hulme |
| 2007 | Autumn | Sep 9/10 | Cambridge (40th) | Robert Lang, Eric Joisel, Miyuki Kawamura |
| 2007 | Spring | Apr 13/15 | Wentworth | Ted Norminton |
| 2006 | Autumn | Sep 9/10 | Bristol | Paula Versnick |
| 2006 | Spring | Apr 8/9 | Leicester | Nicolas Terry |
| 2005 | Autumn | Sep 2/4 | Lancaster | no guest - origami in education |
| 2005 | Spring | Apr 8/10 | Nottingham | Paulo Mulatinho and Silke Schröder |
| 2004 | Autumn | Sep 10/12 | Bristol | Tomoko Fuse |
| 2004 | Spring | Apr 2/4 | Manchester | Heinz Strobl |
| 2003 | Autumn | Sep 5/7 | York | Halle |
| 2003 | Spring | Mar 28/30 | Nottingham | Paul Jackson & Miri Golan |
| 2002 | Autumn | Sep 13/15 | Cambridge | Joan Sallas |
| 2002 | Spring | Apr 12/14 | Bristol | Thoki Yenn |
| 2001 | Autumn | Sep 7/9 | Greenwich | David Derudas |
| 2001 | Spring | Mar 30/Apr 01 | Nottingham | Vincent Floderer |
| 2000 | Autumn | Sept 16/17 | York | Herman Van Goubergen |
| 2000 | Spring | Sept 16/17 | Cambridge | Eric Joisel |
| 1999 | Autumn | Sep 17/19 | Bristol | Kunihiko Kasahara |
| 1999 | Spring | Apr 17/18 | York | Jeremy Schafer |
| 1998 | Autumn | Sep 19/20 | Nottingham | |
| 1998 | Spring | Apr 4/5 | Birmingham | |
| 1997 | Autumn | Sep 14/15 | York (30th) | Akira Yoshizawa, Michael LaFosse, Alfredo Giunta |
| 1997 | Spring | Apr 5/6 | Bristol | |
| 1996 | Autumn | Sep 14/15 | Sheffield | |
| 1996 | Spring | Mar 30/31 | Nottingham | |
| 1995 | Autumn | Sept 16/17 | York | Sergei Afonkin |
| 1995 | Spring | Apr 8/9 | Birmingham | |
| 1994 | Autumn | Sep 24/25 | Colchester | |
| 1994 | Spring | Apr 16/17 | Bristol | |
| 1993 | Autumn | Sep 11/12 | Nottingham | |
| 1993 | Spring | Apr 3/4 | Birmingham | |
| 1992 | Autumn | Sep 10/13 | London (25th) | |
| 1992 | Spring | Apr 11/12 | Nottingham | |
| 1991 | Autumn | Oct 5/6 | Birmingham | |
| 1991 | Spring | Apr 6/7 | London | |
| 1990 | Autumn | Sep 22/23 | Bristol | |
| 1990 | Spring | Apr 7/8 | Nottingham | |
| 1989 | Autumn | Sep 16/17 | Sheffield | Tomoko Fuse |
| 1989 | Spring | Apr 15/16 | Birmingham | |
| 1988 | Autumn | Sep 24/25 | Oxford | Thelma Randlett |
| 1988 | Spring | Apr 16/17 | Nottingham | |
| 1987 | Autumn | Oct 10/11 | Birmingham | |
| 1987 | Spring | Apr 10/12 | London (20th) | |
| 1986 | Autumn | Oct 11/12 | Birmingham | |
| 1986 | Spring | Apr 12/13 | Chester | Yoshihide & Sumiko Momotani |
| 1985 | Autumn | Oct 12/13 | Birmingham | |
| 1985 | Spring | Apr 7/8 | Oxford | |
| 1984 | Autumn | Birmingham | ||
| 1984 | Spring | Mar 30/Apr 1 | Cambridge | |
| 1983 | Autumn | Oct 2/3 | Birmingham | Akira Yoshizawa |
| 1983 | Spring | Apr 15/17 | Oxford | |
| 1982 | Autumn | Oct 3/4 | Birmingham | |
| 1982 | Spring | Apr 2/4 | Lancaster | |
| 1981 | Autumn | Birmingham | ||
| 1981 | Spring | Oxford | ||
| 1980 | Autumn | Birmingham | ||
| 1980 | Spring | Nottingham | ||
| 1979 | Autumn | Birmingham | ||
| 1979 | Spring | Bristol | ||
| 1978 | Autumn | Birmingham | ||
| 1978 | Spring | Manchester | ||
| 1977 | Autumn | Birmingham | ||
| 1977 | Spring | Cambridge | ||
| 1976 | Autumn | Birmingham | ||
| 1976 | Spring | Brighton | 1st university venue | |
| 1975 | Autumn | Birmingham | ||
| 1975 | Spring | London | ||
| 1974 | Autumn | Birmingham | ||
| 1974 | Spring | London | ||
| 1973 | Autumn | Birmingham | ||
| 1973 | Spring | London | ||
| 1972 | Autumn | Birmingham | Akira Yoshizawa | |
| 1972 | Spring |
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