| COLLISON, David RESIGNED | Secretary | 31 Dec 2015 | 14 Dec 2018 | | | Allen House, Westmead Road, Sutton, SM1 4LA, England |
| COLLISON, David RESIGNED | Secretary | 11 Mar 2005 | 01 Feb 2011 | | | 44 Lowther Road, London, SW13 9NU, England |
| DAVIES, John RESIGNED | Secretary | 01 Feb 2011 | 17 Aug 2012 | | | Enbrook Park, Sandgate High Street, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| HAYNES, Victoria RESIGNED | Secretary | 31 Jul 2013 | 01 Dec 2015 | | | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| ROBERTS THOMAS, Caroline Emma RESIGNED | Secretary | 22 Aug 1998 | 11 Mar 2005 | | | 5 Broomsleigh Street, London, NW6 1QQ |
| STRINGER, Andrew Paul RESIGNED | Secretary | 17 Aug 2012 | 31 Jul 2013 | | | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| WOOD, John RESIGNED | Secretary | | 22 Aug 1998 | | | Pear Tree Cottage, Bishopstone, Aylesbury, Buckinghamshire, HP12 8SH |
| ALEXANDER, Ingrid Carol RESIGNED | Director | 13 Aug 2001 | 02 Mar 2007 | | November 1951 | 37 Kent Road, London, W4 5EY |
| BATCHELOR, Lance Henry Lowe RESIGNED | Director | 23 Apr 2014 | 01 Dec 2015 | United Kingdom | January 1964 | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| BEEVOR, Anthony Romer RESIGNED | Director | 31 Oct 2000 | 01 Oct 2003 | England | May 1940 | 20 Radipole Road, London, SW6 5DL |
| BENSON, Jeremy Michael RESIGNED | Director | 08 May 2014 | 08 Oct 2015 | United Kingdom | August 1963 | Parsonage House, School Lane, Newington, Sittingbourne , Kent, England, ME9 7LB, England |
| BOOTY, Stephen Martin RESIGNED | Director | 19 Jun 2002 | 30 Apr 2008 | United Kingdom | May 1954 | South Lodge, Guildford Road, Effingham, Surrey, KT24 5QE |
| BRIDGEMAN, Robin John Orlando RESIGNED | Director | | 12 Sep 1994 | England | December 1930 | 19 Chepstow Road, London, W2 5BP |
| BROWN, Carl Michael RESIGNED | Director | 16 Jun 2017 | 29 Nov 2018 | England | November 1973 | Allen House, Westmead Road, Sutton, SM1 4LA, England |
| BURNS, Robert Ian RESIGNED | Director | 01 Jan 2002 | 31 Oct 2002 | England | March 1951 | 6 Netherfield Road, Harpenden, Hertfordshire, AL5 2AG |
| CHAPMAN, Clive Richard RESIGNED | Director | | 17 Dec 1997 | United Kingdom | March 1949 | Flat 1, 36 Oakley Street, London, SW3 5NT |
| COCKBURN, John Jeffrey, Doctor RESIGNED | Director | | 28 Dec 1997 | | July 1941 | Flat 14 Brompton Court, 2a Brompton Avenue Sefton Park, Liverpool, L17 3BY |
| DIXON, Patrick John Vibart RESIGNED | Director | 03 Sep 2012 | 25 Sep 2015 | United Kingdom | January 1957 | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| DYE, Iain Roger RESIGNED | Director | 19 Jan 2004 | 01 Feb 2011 | England | October 1951 | Russells Barn, Rockwell End Hambleden, Henley On Thames, Oxfordshire, RG9 6NG |
| ELLIS, Martyn Anthony RESIGNED | Director | 01 May 2003 | 31 Jul 2013 | England | May 1956 | 83 Boss House, Boss Street, London, SE1 2PT |
| FOSTER, Andrew William, Sir RESIGNED | Director | 19 Jan 2004 | 01 Feb 2011 | United Kingdom | December 1944 | 269 Lauderdale Mansions, Lauderdale Road, London, W9 1LZ |
| GIBSON, Darryn Stanley RESIGNED | Director | 01 Apr 2013 | 09 Sep 2015 | United Kingdom | July 1965 | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| GOODSELL, John Andrew RESIGNED | Director | 03 Sep 2012 | 30 Jul 2015 | United Kingdom | January 1959 | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| GOODSON-WICKES, Charles, Dr RESIGNED | Director | 01 Feb 1993 | 31 Dec 1999 | England | November 1945 | Flat 23, 37 St James's Place, London, SW1A 1NS |
| HANN, Herbert John RESIGNED | Director | | 31 May 1993 | United Kingdom | October 1926 | 132 Rivermead Court, Ranelagh Gardens, London, SW6 3SE |
| HARRIS, Timothy Charles, Mr Cbe Fca Acma RESIGNED | Director | 01 Jan 2002 | 03 Nov 2003 | England | July 1947 | 120 Paramount Court, 38-39 University Street, London, WC1E 6JP |
| HEYWOOD, David George RESIGNED | Director | 12 Sep 1994 | 31 Dec 2001 | | August 1935 | Logie Cedar Road, Woking, Surrey, GU22 0JH |
| HOLMES, William Francis, Dr RESIGNED | Director | 01 Jan 2000 | 31 Dec 2006 | England | May 1954 | 132 Nottingham Road, Ravenshead, Nottingham, Nottinghamshire, NG15 9HL |
| HORGAN, Michael David RESIGNED | Director | 01 Jan 2000 | 04 Mar 2002 | England | January 1945 | 7 Lady Yorke Park, Seven Hills Road, Iver, Buckinghamshire, SL0 0PD |
| HOWARD, Francis John Adrian RESIGNED | Director | | 26 Aug 1999 | | July 1935 | Flat 1, 11 Cadogan Square, London, SW1X 0HT |
| HOWARD, Stuart Michael RESIGNED | Director | 01 Feb 2011 | 23 Jun 2015 | United Kingdom | May 1962 | 2, Enbrook Park, Folkestone, Kent, CT20 3SE, United Kingdom |
| HOWELL, David RESIGNED | Director | 31 Aug 1999 | 25 Oct 2003 | United Kingdom | March 1949 | Flat 10 The Isabella, Hatchford Park Ockham Lane, Cobham, Surrey, KT11 1LR |
| IVERS, John Joseph RESIGNED | Director | 01 Jul 2010 | 26 Jul 2012 | United Kingdom | July 1962 | Brook Lodge, Sandon Brook Manor, Maldon Road, Chelmsford, Essex, CM2 7RZ |
| JACKSON, Mark Bentley RESIGNED | Director | 03 Sep 2012 | 01 Dec 2015 | United Kingdom | November 1956 | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| JEWITT, Justin Allan Spaven, Professor RESIGNED | Director | 15 Jul 1996 | 27 May 2004 | England | May 1954 | The Stables, 89 Aston End Road Aston, Stevenage, Hertfordshire, SG2 7EY |
| LYON, David Oliver RESIGNED | Director | 01 Jan 1998 | 01 May 2003 | England | June 1961 | 41 Park Avenue North, Harpenden, Hertfordshire, AL5 2EE |
| MACHIN, Joanne RESIGNED | Director | 01 Aug 2017 | 01 Nov 2018 | England | November 1966 | Allen House, Westmead Road, Sutton, SM1 4LA, England |
| MASON, Catherine Lois RESIGNED | Director | 05 Apr 2016 | 05 Aug 2016 | England | June 1961 | Cavendish House, Lakhpur Court, Staffordshire Technology Park, Stafford, ST18 0FX, England |
| NICHOLLS, Robert RESIGNED | Director | 01 Sep 1997 | 19 Jan 2004 | | July 1939 | Wickey Up Church Lane, Charlton On Otmoor, Oxfordshire, OX5 2TZ |
| PAGE, Stephen Robert RESIGNED | Director | 02 Mar 2001 | 02 Aug 2004 | England | October 1962 | Oak Tree House, Berry Lane, Chorleywood, Hertfordshire, WD3 5EY |
| PARKER, Anne Mary RESIGNED | Director | 01 Jun 1999 | 31 Mar 2001 | United Kingdom | October 1939 | 7 Lingdale Court, Lingdale Road, West Kirby, Merseyside, CH48 5DJ |
| PETHICK, Timothy Mark RESIGNED | Director | 03 Sep 2012 | 01 Dec 2015 | United Kingdom | June 1962 | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| PILGRIM, Alan John Templer RESIGNED | Director | 05 Jun 1991 | 05 Jun 1995 | England | June 1951 | 44 Pepper Hill, Great Amwell, Ware, Hertfordshire, SG12 9RZ |
| PREECE, Richard Mark RESIGNED | Director | 08 May 2014 | 16 Feb 2016 | England | November 1964 | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| PRIESTLEY, Jennifer RESIGNED | Director | | 14 Jul 1994 | United Kingdom | June 1946 | 48 Coniger Road, London, SW6 3TA |
| PUNTER, Philip RESIGNED | Director | | 04 Jun 1991 | | October 1948 | 15 Reddings, Welwyn Garden City, Hertfordshire, AL8 7LA |
| RENNOCKS, John Leonard RESIGNED | Director | 01 Oct 2003 | 01 Feb 2011 | United Kingdom | June 1945 | Crown Acre Queens Drive, Oxshott, Leatherhead, Surrey, KT22 0PB |
| ROGERS, Michael Greig RESIGNED | Director | | 15 Jul 1996 | United Kingdom | March 1942 | 1 Jenningsbury Court, London Road, Hertford, Hertfordshire, SG13 7NS |
| SMITH, Michael Henderson Durward RESIGNED | Director | | 04 Jun 1991 | England | November 1937 | 6 The Birches, Codicote, Hertfordshire, SG4 8UL |
| WARD, Charles John Nicholas RESIGNED | Director | 01 Feb 1993 | 12 Sep 1994 | United Kingdom | August 1941 | Bacon House Brackley Road, Greatworth, Banbury, Oxfordshire, OX17 2DX |
| WARNKE, Luca RESIGNED | Director | 26 Sep 2016 | 01 Nov 2018 | Germany | April 1970 | Allen House, Westmead Road, Sutton, SM1 4LA, England |
| WHITEHEAD, John Henry RESIGNED | Director | 30 Jan 2014 | 16 Jun 2017 | United Kingdom | April 1964 | Beaconsfield House, Beaconsfield Road, Hatfield, Hertfordshire, AL10 8HU, United Kingdom |