| BARRINGTON, Justin ACTIVE | Secretary | 30 Jun 2005 | | | | Flat 3 11 Belsize Avenue, London, NW3 4BL |
| NAYAR, Nitin ACTIVE | Secretary | 15 Aug 2026 | | | | 11, Belsize Avenue, London, NW3 4BL, England |
| NAYAR, Nitin ACTIVE | Director | 15 Aug 2026 | | England | July 1984 | 11 Belsize Avanue, Belsize Avenue, London, NW3 4BL, England |
| FINNEY, Nicholas Hugh RESIGNED | Secretary | | 07 Feb 1994 | | | 11 Belsize Avenue, London, NW3 4BL |
| KINNIER, Andrew John Alexander RESIGNED | Secretary | 01 Oct 2001 | 30 Jun 2005 | | | Flat 5, 11 Belsize Avenue, London, NW3 4BL |
| PRIOR, Stuart Henry RESIGNED | Secretary | 28 Mar 1998 | 01 Oct 2001 | | | Flat 4, 11 Belsize Avenue, London, NW3 4BL |
| YATES, Mark Christopher RESIGNED | Secretary | 19 Nov 1994 | 01 Feb 1998 | | | Flat 2, 11 Belsize Avenue, London, NW3 |
| ADDEN, Susan RESIGNED | Director | 22 Jan 2001 | 20 Dec 2006 | | February 1945 | 33 Tanza Road, London, NW3 2UA |
| BARRINGTON, Justin RESIGNED | Director | 22 Jan 2001 | 15 Aug 2026 | United Kingdom | September 1967 | Flat 3 11 Belsize Avenue, London, NW3 4BL |
| BROOKS, Caroline Louise RESIGNED | Director | 01 Feb 1999 | 01 Mar 2001 | | February 1970 | Flat 5 11 Belsize Avenue, London, NW3 4BL |
| DALY, John RESIGNED | Director | | 15 Aug 1993 | | March 1955 | 11 Belsize Avenue, London, NW3 4BL |
| DESFORGES, Janine Liane, Dr RESIGNED | Director | 25 Jun 2026 | 15 Aug 2026 | England | July 1975 | Flat 2, 11 Belsize Avenue, London, NW3 4BL |
| FINNEY, Nicholas Hugh RESIGNED | Director | | 07 Feb 1994 | | April 1946 | 11 Belsize Avenue, London, NW3 4BL |
| KINNIER, Andrew John Alexander RESIGNED | Director | 01 Mar 2001 | 30 Jun 2005 | | March 1973 | Flat 5, 11 Belsize Avenue, London, NW3 4BL |
| OLANDER, Eva Katrin RESIGNED | Director | 19 Nov 1994 | 01 Feb 1998 | | December 1964 | 11 Belsize Avenue, London, NW3 4BL |
| PRIOR, Nicholas Stuart RESIGNED | Director | | 01 Jun 1996 | | July 1966 | Flat 4, 11 Belsize Avenue, London, NW3 4BL |
| PRIOR, Stuart Henry RESIGNED | Director | 28 Mar 1998 | 01 Sep 2001 | | July 1966 | Flat 4, 11 Belsize Avenue, London, NW3 4BL |
| QUINN, William RESIGNED | Director | | 01 Oct 1997 | | July 1947 | Flat 5, 11 Belsize Avenue, London, NW3 4BL |
| ROWLANDS, Richard Vaughan RESIGNED | Director | | 01 Apr 2015 | Austria | January 1958 | Flat 1, 11 Belsize Avenue, London, NW3 4BL |
| SELESNICK, Bess RESIGNED | Director | | 31 Oct 1999 | | May 1911 | Flat 3, 11 Belsize Avenue, London, NW3 4BL |
| SOUTHGATE, Beverley Charles, Dr RESIGNED | Director | 19 Nov 1994 | 01 Nov 2023 | United Kingdom | March 1936 | Flat 6, 11 Belsize Avenue, London, NW3 4BL |
| TEMPLE, Andrew Brian RESIGNED | Director | 01 Sep 2001 | 30 Jun 2005 | | March 1975 | Flat 4, 11 Belsize Avenue Belsize Park, London, NW3 4BL |