| HORTEN, Monica Heydi, Dr ACTIVE | Director | 12 Oct 2016 | | England | August 1960 | Stanley House, 49 Dartford Road, Sevenoaks, Kent, TN13 3TE |
| GIBBS, Ian RESIGNED | Secretary | 31 Aug 1993 | 18 Apr 1994 | | | 47 Osborne Road, Potters Bar, Hertfordshire, EN6 1SB |
| GRIFFITHS, Mary Ann RESIGNED | Secretary | 17 Aug 2001 | 13 Jul 2026 | | | 6 Elliott House, Arbuthnot Road, London, SE14 5LT |
| HUMPHRIES, Anthony Charles RESIGNED | Secretary | | 31 Aug 1993 | | | 21 Parkside, Wimbledon, London, SW19 5NA |
| MCILWAIN, Carole RESIGNED | Secretary | 18 Apr 1994 | 17 Aug 2001 | | | 26 Erlanger Road, New Cross Gate, London, SE14 5TG |
| MCILWAIN, Kate Veronica RESIGNED | Secretary | 28 Aug 2007 | 13 Jul 2026 | | | Stanley House, 49 Dartford Road, Sevenoaks, Kent, TN13 3TE |
| BOWDEN, Sheila Anne RESIGNED | Director | 31 Aug 1993 | 18 Apr 1994 | England | August 1951 | 10 The Orchard, Winchmore Hill, London, N21 2DH |
| DAVIES, Robin Patrick RESIGNED | Director | 31 Aug 1993 | 18 Apr 1994 | England | April 1953 | 49/51 Windmill Hill, Enfield, Middlesex, EN2 7AE |
| DOUGLAS, Alasdair Ferguson RESIGNED | Director | | 31 Aug 1993 | | March 1953 | 71 Twyford Avenue, London, N2 9NP |
| FLETCHER, Clare RESIGNED | Director | 12 Oct 2016 | 28 Oct 2021 | England | July 1963 | Stanley House, 49 Dartford Road, Sevenoaks, Kent, TN13 3TE |
| GIBBS, Ian RESIGNED | Director | 31 Aug 1993 | 18 Apr 1994 | England | November 1937 | 47 Osborne Road, Potters Bar, Hertfordshire, EN6 1SB |
| GRIFFITHS, Mary Ann RESIGNED | Director | 01 Oct 1996 | 13 Jul 2026 | England | October 1948 | 6 Elliott House, Arbuthnot Road, London, SE14 5LT |
| HOLMES, Robin Murray Blake RESIGNED | Director | | 31 Aug 1993 | | April 1954 | 13 Crescent Road, Wimbledon, London, SW20 8EX |
| HUMPHRIES, Anthony Charles RESIGNED | Director | | 31 Aug 1993 | United Kingdom | June 1925 | 21 Parkside, Wimbledon, London, SW19 5NA |
| LINDSAY, Kevin Richard RESIGNED | Director | 12 Oct 2016 | 21 Jul 2020 | England | May 1977 | Stanley House, 49 Dartford Road, Sevenoaks, Kent, TN13 3TE |
| MCILWAIN, Clare Bridget Mary RESIGNED | Director | 08 Oct 1996 | 23 May 2004 | | November 1928 | 4 Elliott House, Arbuthnot Road, London, SE14 5LT |
| MCILWAIN, Sylvester David RESIGNED | Director | 18 Apr 1994 | 13 Jul 2026 | England | September 1961 | Stanley House, 49 Dartford Road, Sevenoaks, Kent, TN13 3TE |
| PARKINSON, William Glaister RESIGNED | Director | 11 Aug 2003 | 18 Jul 2013 | England | December 1946 | 1 Elliott House, Arbuthnot Road, London, SE14 5LT |