| BALL, Graham Arthur Ridgeway ACTIVE | Director | 01 May 2001 | | United Kingdom | October 1950 | Rosebank River Lane, Petersham, Richmond, Surrey, TW10 7AG |
| DAVIS, Christopher ACTIVE | Director | 16 Jul 2018 | | England | November 1966 | 10-11, Heathfield Terrace, London, W4 4JE |
| POWELL, Anne Fiona ACTIVE | Director | 31 Jan 2015 | | England | May 1956 | Sandpits Cottage, Sandpits Road, Richmond, Surrey, TW10 7DT, England |
| WHEELDON, Jonathan Mark ACTIVE | Director | 01 Oct 2021 | | England | February 1964 | 10-11, Heathfield Terrace, London, W4 4JE |
| BALL, Graham Arthur Ridgeway RESIGNED | Secretary | 30 Jul 1999 | 06 Sep 2002 | | | Rosebank River Lane, Petersham, Richmond, Surrey, TW10 7AG |
| WILSHERS & CO RESIGNED | Secretary | 06 Sep 2002 | 05 Oct 2020 | | | 1, Castle Row, Horticultural Place, London, W4 4JQ |
| BALL, Graham Arthur Ridgeway RESIGNED | Director | 30 Jul 1999 | 06 Sep 2002 | United Kingdom | October 1950 | Rosebank River Lane, Petersham, Richmond, Surrey, TW10 7AG |
| BOUCHIER, Frances Caroline RESIGNED | Director | 10 Mar 2003 | 30 Nov 2010 | United Kingdom | October 1935 | 8 Queensberry House, Friars Lane, Richmond, Surrey, TW9 1NT |
| BRASHER, Christopher William RESIGNED | Director | 30 Jul 1999 | 28 Feb 2003 | | August 1928 | The White House, Chaddleworth, Newbury, Berkshire, RG20 7DY |
| CHURCH, David Edward RESIGNED | Director | 30 Jul 1999 | 12 Jan 2003 | | July 1932 | Newnham House 38 Sheen Road, Richmond, Surrey, TW9 1AW |
| CONN, Jack Samuel RESIGNED | Director | 13 Nov 2001 | 30 Nov 2010 | United Kingdom | January 1926 | 9 Hillbrow, Richmond Hill, Richmond, Surrey, TW10 6BH |
| DARE, Colin RESIGNED | Director | 29 Feb 2000 | 30 Nov 2010 | United Kingdom | May 1929 | Rutland Cottage, 1 River Lane, Richmond, Surrey, TW10 7AG |
| GIBBONS, Judy Mary RESIGNED | Director | 31 Jul 2012 | 02 Oct 2023 | England | January 1957 | The Glasshouse, River Lane, Richmond, Surrey, TW10 7AG, United Kingdom |
| GOVETT, John RESIGNED | Director | 06 Sep 2005 | 30 Nov 2010 | United Kingdom | December 1943 | 29 Marchmont Road, Richmond, Surrey, TW10 6HQ |
| HYDE, Winifred Mary RESIGNED | Director | 10 Mar 2003 | 30 Jun 2005 | | April 1934 | 25 Fellbrook, Ham, Richmond, Surrey, TW10 7UN |
| JONES, Susan Elizabeth RESIGNED | Director | 25 May 2006 | 30 Nov 2010 | United Kingdom | May 1946 | 58 Lock Road, Richmond, Surrey, TW10 7LN |
| JONES, Susan Elizabeth RESIGNED | Director | 26 Aug 2002 | 10 Mar 2003 | United Kingdom | May 1946 | 58 Lock Road, Richmond, Surrey, TW10 7LN |
| LOEWENSTEIN, Josephine Clare Zu, Princess RESIGNED | Director | 30 Jul 1999 | 30 Nov 2010 | United Kingdom | January 1931 | Petersham Lodge, River Lane, Richmond, Surrey, TW10 7AG |
| MARDER, Bernard Arthur RESIGNED | Director | 30 Jul 1999 | 01 Oct 2012 | United Kingdom | September 1928 | 19 Stanmore Gardens, Richmond, Surrey, TW9 2HN |
| MILLER, Brian Peter RESIGNED | Director | 30 Jul 1999 | 26 Feb 2002 | England | October 1939 | 18 Breamwater Gardens, Richmond, Surrey, TW10 7SQ |
| PEILE, Sylvia Valentine RESIGNED | Director | 31 Jul 2012 | 29 Sep 2016 | United Kingdom | October 1948 | 10-11, Heathfield Terrace, London, W4 4JE, England |
| PEILE, Sylvia Valentine RESIGNED | Director | 10 Mar 2003 | 30 Nov 2010 | United Kingdom | October 1948 | 147 Petersham Road, Richmond, Surrey, TW10 7AH |
| POWELL, Donna RESIGNED | Director | 16 Jul 2018 | 13 Sep 2020 | England | December 1978 | 10-11, Heathfield Terrace, London, W4 4JE |
| POWELL, Geoffry Charles Hamilton RESIGNED | Director | 30 Jul 1999 | 16 Dec 1999 | | November 1920 | Glen Cottage, River Lane, Richmond, Surrey, TW10 7AG |
| QUARRY, Gareth David RESIGNED | Director | 23 Mar 2015 | 06 Nov 2017 | England | December 1958 | 10-11, Heathfield Terrace, London, W4 4JE |
| TAYLOR, Jacqueline Susan RESIGNED | Director | 13 Sep 2006 | 30 Nov 2010 | United Kingdom | September 1948 | 137 Petersham Road, Richmond, Surrey, TW10 7AA |
| WILLIAMS, David Reeve, Sir RESIGNED | Director | 30 Jul 1999 | 30 Nov 2010 | England | June 1939 | 8 Arlington Road, Petersham, Richmond, Surrey, TW10 7BY |