| 1986-1987 | Kent County I.B.A. |
| 1987-1988 | Kent County I.B.A. |
| 1988-1989 | Surrey County I.B.A. |
| 1989-1990 | Sussex County I.B.A. |
| 1990-1991 | Surrey County I.B.A. |
| 1991-1992 | Kent County I.B.A. |
| 1992-1993 | Kent County I.B.A. |
| 1993-1994 | Surrey County I.B.A. |
| 1994-1995 | Kent County I.B.A. |
| 1995-1996 | Berkshire County I.B.A. |
| 1996-1997 | Kent County I.B.A. |
| 1997-1998 | Berkshire County I.B.A. |
| 1998-1999 | Middlesex County I.B.A. |
| 1999-2000 | Kent County I.B.A. |
| 2000-2001 | Kent County I.B.A. |
| 2001-2002 | Sussex County I.B.A. |
| 2002-2003 | Surrey County I.B.A. |
| 2003-2004 | Surrey County I.B.A. |
| 2004-2005 | Kent County I.B.A. |
| 2005-2006 | Kent County I.B.A. |
| 2006-2007 | Surrey County I.B.A. |
| 2007-2008 | Kent County I.B.A. |
| 2008-2009 | Kent County I.B.A. |
| 2009-2010 | Kent County I.B.A. |
| 2010-2011 | Kent County I.B.A. |
| 2011-2012 | Surrey County I.B.A. |
| 2012-2013 | Kent County I.B.A. |
| 2013-2014 | Middlesex County I.B.A. |
| 2014-2015 | Kent County I.B.A. |
| 2015-2016 | Kent County I.B.A. |
| 2016-2017 | Surrey County I.B.A. |
| 2017-2018 | Surrey County I.B.A. |
| 2018-2019 | Middlesex County I.B.A. |
| 2019-2020 | Surrey County I.B.A. / Berkshire County I.B.A. (No Final due to Covid-19) |
| 2020-2021 | No League due to Covid-19 |
| 2021-2022 | Surrey County I.B.A. |
| 2022-2023 |