| BLACK, Ian Norman ACTIVE | Secretary | 13 Jan 2019 | | | | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| BLACK, Ian Norman ACTIVE | Director | 05 Feb 2017 | | United Kingdom | November 1958 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| BOOTH, Richard John Elves ACTIVE | Director | 20 Apr 2023 | | England | April 1966 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| BOOTH, Sarah Louise ACTIVE | Director | 25 Jan 2015 | | United Kingdom | April 1965 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| TARHAN, Carol Jane ACTIVE | Director | 20 Oct 2024 | | England | November 1963 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| WITTINK, Margreet ACTIVE | Director | 19 Oct 2025 | | England | April 1963 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| ANDREWS, Neil Raffan RESIGNED | Secretary | 18 May 2015 | 13 Jan 2019 | | | 47, St. Johns Road, Petts Wood, Orpington, Kent, BR5 1HT, England |
| BOLAND, Kerrigan Patrick RESIGNED | Secretary | 20 Apr 1994 | 08 Dec 1996 | | | West Wood Sunnydale, Orpington, Kent, BR6 8LZ |
| BOOTH, John Brian RESIGNED | Secretary | 05 Dec 1999 | 02 Dec 2001 | | | 8 High Beeches, Chelsfield, Orpington, Kent, BR6 6EF |
| WADDELL, John William, Dr RESIGNED | Secretary | 10 Dec 1996 | 05 Dec 1999 | | | 57 Lynwood Grove, Orpington, Kent, BR6 0BQ |
| WEHRFRITZ, Eric RESIGNED | Secretary | | 01 Apr 1994 | | | 28 Warren Road, Orpington, Kent, BR6 6HY |
| WILLIAMS, Ronald Henry RESIGNED | Secretary | 20 Jul 2002 | 18 May 2015 | | | 19 Brimstone Close, Orpington, Kent, BR6 7ST |
| ANDREW, Robert, Mr. RESIGNED | Director | 13 Dec 2004 | 31 Dec 2012 | England | April 1953 | Flat 6, Swaylands, Penshurst Road Penshurst, Tonbridge, Kent, TN11 8DZ, United Kingdom |
| ANDREWS, Neil Raffan RESIGNED | Director | 27 Jan 2013 | 16 Feb 2020 | England | June 1954 | 47, St. Johns Road, Petts Wood, Orpington, Kent, BR5 1HT, England |
| BOOTH, John Brian RESIGNED | Director | 13 Mar 1999 | 02 Dec 2001 | | June 1936 | 8 High Beeches, Chelsfield, Orpington, Kent, BR6 6EF |
| BRIDGES, Alan William RESIGNED | Director | 05 Dec 1993 | 10 Oct 1994 | | January 1941 | 29 Elm Grove, Orpington, Kent, BR6 0AA |
| CLAUGHTON, Geoffrey Brian RESIGNED | Director | 02 Dec 2001 | 13 Dec 2004 | England | May 1956 | 3 Rose Bank, Bollington, Cheshire, SK10 5JA |
| DRISCOLL, Patrick James RESIGNED | Director | 06 Feb 2012 | 02 Oct 2017 | Great Britain | March 1949 | 56, Hazelmere Road, Petts Wood, Orpington, Kent, BR5 1PD, Great Britain |
| DRYLAND, Keith RESIGNED | Director | 16 Feb 2020 | 16 Jul 2025 | England | February 1950 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| ENNALS, Mark RESIGNED | Director | 07 Jun 1997 | 05 Dec 1999 | | November 1965 | 38 Woodcote Drive, Crofton, Orpington, Kent, BR6 8DT |
| FISHER, Michael Anthony RESIGNED | Director | 31 Jan 2016 | 05 Feb 2018 | England | February 1956 | 47, St. Johns Road, Petts Wood, Orpington, Kent, BR5 1HT |
| FISHER, Susan RESIGNED | Director | 15 May 2010 | 31 Dec 2012 | United Kingdom | July 1957 | 77, Dale Wood Road, Orpington, Kent, BR6 0BY, United Kingdom |
| GADSTON, Pamela Margaret RESIGNED | Director | 06 Feb 2012 | 26 Jan 2018 | Great Britain | March 1955 | 53, Charterhouse Road, Orpington, Kent, BR6 9EJ, Great Britain |
| GIBBONS, Alison Elizabeth RESIGNED | Director | 16 Feb 2020 | 16 Oct 2020 | England | January 1956 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| GRAY, Anne Mcphee RESIGNED | Director | | 05 Dec 1993 | | March 1934 | 16 Lansdowne Avenue, Orpington, Kent, BR6 8JU |
| GREEN, David Sebastian RESIGNED | Director | 15 May 2010 | 19 Oct 2010 | United Kingdom | July 1968 | 19 Brimstone Close, Orpington, Kent, BR6 7ST |
| JENKINS, Michael John RESIGNED | Director | | 14 Dec 1997 | | February 1944 | 96 Mount Pleasant, Biggin Hill, Westerham, Kent, TN16 3TR |
| JONES, Ivy Joan RESIGNED | Director | | 06 Dec 1998 | | January 1917 | 76 Guibal Road, Lee, London, SE12 9LZ |
| LARNER, Jeremy Francis RESIGNED | Director | 01 Mar 2010 | 30 Oct 2015 | United Kingdom | November 1949 | 15, Buckingham Close, Petts Wood, Orpington, Kent, BR5 1SA, United Kingdom |
| LYDYARD, Peter RESIGNED | Director | | 14 Dec 1997 | | April 1944 | 11 Spencer Close, Orpington, Kent, BR6 9QZ |
| MACINNIS, Ian Wallace RESIGNED | Director | | 05 Dec 1993 | | February 1940 | 41 Homestead Road, Chelsfield, Orpington, Kent, BR6 6HN |
| MIRRINGTON, Charles Richard John RESIGNED | Director | 20 May 2021 | 12 May 2023 | England | May 1977 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| NOSSITER, Margaret Mary RESIGNED | Director | | 10 Oct 1994 | | April 1932 | 3 Beechcroft Road, Farnborough, Orpington, Kent, BR6 9NR |
| PANG, Janice Chung-Sang RESIGNED | Director | 01 Sep 2022 | 20 Jun 2023 | England | January 1994 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| PASTRON, Alexander RESIGNED | Director | 16 Feb 2020 | 16 Oct 2025 | England | July 1968 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| PASTRON, Irina RESIGNED | Director | 04 Feb 2018 | 01 Apr 2025 | United Kingdom | June 1973 | 4, Cambray Road, Orpington, Kent, BR6 0EE, England |
| PENN, Suzanne Elizabeth RESIGNED | Director | 16 Feb 2020 | 16 Feb 2020 | England | October 1965 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| PIGANOV, Mikhail Nikolayevich RESIGNED | Director | 25 Jan 2015 | 26 Jan 2018 | England | September 1952 | 47, St. Johns Road, Petts Wood, Orpington, Kent, BR5 1HT, England |
| POTTER, Kenneth James Frederick RESIGNED | Director | 13 Mar 1999 | 01 Mar 2010 | Great Britain | September 1953 | 18 Brimstone Close, Orpington, Kent, BR6 7ST |
| REED, Lorna RESIGNED | Director | 05 Dec 1993 | 05 Dec 1999 | | July 1932 | 57 Mayfield Avenue, Orpington, Kent, BR6 0AJ |
| RINN, Colin John RESIGNED | Director | 05 Dec 1993 | 02 Dec 2001 | | December 1947 | Meadow Bank Brasted Lane Main Road, Knockholt, Sevenoaks, Kent, TN14 7LS |
| SERAZETDINOV, Dmitriy RESIGNED | Director | 16 Feb 2020 | 09 May 2023 | England | September 1980 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| SMITH, Lindsey Susan RESIGNED | Director | 02 Dec 2001 | 15 Mar 2011 | Great Britain | August 1969 | 54 Hillcrest Road, Orpington, Kent, BR6 9AL |
| WADDELL, John William, Dr RESIGNED | Director | 01 Jan 1996 | 05 Dec 1999 | United Kingdom | July 1947 | 57 Lynwood Grove, Orpington, Kent, BR6 0BQ |
| WADDINGTON, Richard James RESIGNED | Director | 25 Jan 2015 | 16 Feb 2020 | England | November 1960 | Knoll Ltc, Mayfield Avenue, Orpington, BR6 0AQ, England |
| WEHRFRITZ, Eric RESIGNED | Director | | 05 Dec 1993 | | December 1944 | 28 Warren Road, Orpington, Kent, BR6 6HY |
| WILLIAMS, Gladys Anne Elizabeth RESIGNED | Director | | 01 Jan 2012 | Great Britain | August 1933 | 19 Brimstone Close, Chelsfield Park, Orpington, Kent |
| WILLIAMS, Ronald Henry RESIGNED | Director | 05 Dec 1999 | 18 May 2015 | Great Britain | September 1933 | 19 Brimstone Close, Orpington, Kent, BR6 7ST |