| HOPKINS, David Charles ACTIVE | Director | 24 Sep 2018 | | England | January 1974 | The Building Centre, 26 Store Street, London, WC1E 7BT, England |
| LAW, Charles ACTIVE | Director | 06 Dec 2016 | | England | April 1971 | 6, Heron Close, Uxbridge, Middx, UB8 1BJ, England |
| FERRIGNO, Fredarica RESIGNED | Secretary | 18 Jun 1998 | 02 Jul 1999 | | | Emmett Cottage Valley Road, Hughenden Valley, High Wycombe, Buckinghamshire, HP14 4LG |
| HOBBS, Raymond Michael RESIGNED | Secretary | | 18 Jun 1998 | | | 72 Georges Hill, Widmer End, High Wycombe, Buckinghamshire, HP15 6BH |
| JOHNSON, Christine Anne RESIGNED | Secretary | 08 Sep 2009 | 07 Jul 2020 | | | Naphill Cottage, Forge Road, Naphill, High Wycombe, Buckinghamshire, HP14 4ST |
| STEWART, Douglas Iain Gilmour RESIGNED | Secretary | 08 Jul 2020 | 31 Jan 2022 | | | Rosewell House, 2a (1f) Harvest Drive, Newbridge, Edinburgh, EH28 8QJ, Scotland |
| WEBB, David Iain RESIGNED | Secretary | 02 Jul 1999 | 08 Sep 2009 | | | 34 Wiggett Grove, Binfield, Bracknell, Berkshire, RG42 4DY |
| ABBOTT, Andrew Richard RESIGNED | Director | 03 Dec 2002 | 24 Sep 2018 | England | January 1959 | Hill Cottage, Albury View, Tiddington, Thame, Oxfordshire, OX9 2LQ |
| BRUCE JONES, Tom Reid RESIGNED | Director | 07 Jul 2005 | 15 Mar 2010 | Scotland | September 1968 | 28 Comely Bank, Edinburgh, Midlothian, EH4 1AJ |
| BURBIDGE, Richard Henry RESIGNED | Director | 03 Jul 1998 | 08 Sep 2009 | United Kingdom | August 1942 | Ford House, Ford, Shrewsbury, Shropshire, SY5 9LZ |
| CALLANDER, Gordon James, Mr. RESIGNED | Director | 02 Jul 1999 | 07 Jul 2005 | United Kingdom | July 1961 | 12 Dalmorglen Park, Stirling, Stirlingshire, FK7 9JL |
| CAMPBELL, Ian RESIGNED | Director | | 05 Jul 1996 | England | May 1956 | 11 Tierney Court, High Street, Marlow, Buckinghamshire, SL7 2BL |
| CLEGG, Peter Alexander RESIGNED | Director | 04 Jul 2002 | 07 Jul 2005 | United Kingdom | August 1950 | Laurels Farm, Upper Wraxall, Chippenham, Wiltshire, SN14 8LA |
| COOK, Michael John, Dr RESIGNED | Director | 07 Jul 2005 | 03 Dec 2013 | United Kingdom | February 1955 | The Old Barn, Henleys Lane Drayton, Abingdon, Oxfordshire, OX14 4HU |
| DICKSON, Michael George Tufnell RESIGNED | Director | 04 Jul 2002 | 07 Jul 2005 | England | September 1944 | Netherfield Cleveland Walk, Bath, BA2 6JW |
| DONALDSON, Michael Neil RESIGNED | Director | 05 Jul 1996 | 03 Jul 2003 | Scotland | July 1955 | St Leonards House 26 Hepburn Gardens, St Andrews, Fife, KY16 9DE |
| EDWARDS, Graham RESIGNED | Director | 12 Sep 2016 | 31 Jan 2022 | United Kingdom | November 1961 | Chiltern House, Stocking Lane, Hughenden Valley, High Wycombe, Bucks, HP14 4ND |
| FERGUSON, Andrew Gerard RESIGNED | Director | 10 Mar 2014 | 30 Aug 2021 | United Kingdom | February 1958 | Chiltern House, Stocking Lane, Hughenden Valley, High Wycombe, Bucks, HP14 4ND, United Kingdom |
| FINEMAN, Simon RESIGNED | Director | 06 Jul 2006 | 12 Sep 2016 | England | December 1959 | 1 Farndon Road, Oxford, OX2 6RS |
| GILL, Christopher John, Dr RESIGNED | Director | | 11 Sep 2012 | United Kingdom | October 1946 | Queen Annes, 47 West Street, Oundle, Peterborough, PE8 4EJ |
| GOLDBERG, Harris Paul RESIGNED | Director | | 17 Jun 1992 | | January 1941 | 14 Briary Close, Swiss Cottage, London, N3 |
| GOLDSMITH, Ian Robert, Dr RESIGNED | Director | 07 Jul 2005 | 06 Jul 2006 | | January 1962 | Lodge Way House, Lodge Way, Harlestone Road, Northampton, NN5 7UG |
| GRIFFITHS, Emrys John RESIGNED | Director | 08 Jul 2004 | 07 Jul 2005 | | October 1955 | Cornfields Wrotham Hill Road, Wrotham, Sevenoaks, Kent, TN15 7PU |
| HALL, Anthony Brian RESIGNED | Director | | 05 Jul 1996 | | April 1935 | 5 Desborough Drive, Tewin, Welwyn, Hertfordshire, AL6 0HQ |
| HARRIS, Paul Gerald RESIGNED | Director | 15 Sep 1992 | 15 Sep 1999 | | May 1938 | 3 Pine Crest, Canonsfield, Old Welwyn, Hertfordshire, AL6 0EQ |
| HARRISON, Kelly Joanne RESIGNED | Director | 07 Jul 2020 | 30 Aug 2021 | England | February 1985 | 4, Pear Tree Court, London, EC1R 0DS, England |
| HAYDOCK, Roger David RESIGNED | Director | 17 Jun 1992 | 03 Jul 1998 | England | May 1937 | Sequoia, Tower Road North, Heswall, Wirral, Merseyside, CH60 6RT |
| HOPPING, Charles Reuben RESIGNED | Director | 01 Dec 2009 | 17 Sep 2015 | United Kingdom | September 1953 | Stocking Lane, Hughenden Valley, High Wycombe, Buckinghamshire, HP14 4ND |
| HUTCHISON, Anthony RESIGNED | Director | 08 Feb 2005 | 06 Mar 2007 | | October 1951 | 3 Gamlingay Road, Potton, Sandy, Bedfordshire, SG19 2RQ |
| KIBBLEWHITE, Hugh Ralph RESIGNED | Director | | 07 Jul 1995 | | February 1934 | 11 Kendal Avenue, Epping, Essex, CM16 4RN |
| KISSOCK, John Andrew RESIGNED | Director | 05 Jul 1996 | 18 Sep 1998 | Scotland | May 1952 | The Rowans, Smithy Loan, Dunblane, Perthshire, FK15 0HQ |
| LANGMUIR, Roderick James RESIGNED | Director | 07 Jul 2005 | 11 Sep 2012 | United Kingdom | June 1960 | 8a Westbourne Gardens, London, W2 5PU |
| LATHAM, Nicholas Charles RESIGNED | Director | 01 Dec 2015 | 30 Aug 2021 | United Kingdom | April 1968 | Unit 3 Swallow Park, Finway Road, Hemel Hempstead, Herts, HP2 7QU, United Kingdom |
| LAVER, Arnold David RESIGNED | Director | 06 Mar 2007 | 11 Sep 2012 | England | September 1949 | The Hole In The Wall, David Lane, Fulwood, Sheffield, South Yorkshire, S10 4PH |
| LAW, Charles RESIGNED | Director | 01 Dec 2009 | 11 Sep 2012 | Uk | April 1971 | 10, North Way, Uxbridge, Middx, UB10 9NG |
| LOCKYER, Austin Alfred, Rear Admiral RESIGNED | Director | | 10 Mar 1992 | | March 1929 | 8 Darlington Place, Bath, BA2 6BX |
| MACKAY, Hugh James RESIGNED | Director | 01 Jul 1994 | 04 Dec 2001 | United Kingdom | July 1945 | The Oaks, Abergeldie Road, Ballater, Aberdeenshire, AB35 5RR |
| MALLINSON, Terence Stuart RESIGNED | Director | | 10 Sep 1991 | | September 1929 | 1 Hyde Park Crescent, London, W2 2PU |
| MILES, Anthony Gerard RESIGNED | Director | 01 Dec 2009 | 15 Sep 2014 | Wales | March 1962 | Tyn Y Graig, Dinbren Road, Llangollen, Dengighshire, LL20 8EB |
| MILESTONE, Nicholas James RESIGNED | Director | 10 Mar 2014 | 04 Jul 2023 | United Kingdom | May 1969 | 1, Tanglewood Close, Belper, Derbyshire, DE56 1AT, United Kingdom |
| PERRY, John Grenfell Russell RESIGNED | Director | 05 Jul 1996 | 07 Sep 2010 | United Kingdom | July 1950 | Robins Close, Old Blandford Road, Salisbury, Wiltshire, SP2 8DE |
| SANDO, Frank Dennis RESIGNED | Director | | 22 Jul 1991 | | March 1931 | 2 Marsham Street, London, SW1P 3EB |
| SHAW, Philip Geoffrey RESIGNED | Director | 02 Jul 1999 | 02 Dec 2003 | United Kingdom | November 1943 | 15 Beeches End, Boston Spa, Wetherby, West Yorkshire, LS23 6HL |
| SILVERMAN, Mark Trevor RESIGNED | Director | 04 Dec 2001 | 07 Sep 2010 | United Kingdom | June 1957 | Green Trees, Pynnacles Close, Stanmore, Middx, HA7 4AF |
| SMITH, Simon Leslie RESIGNED | Director | 10 Mar 2014 | 11 Jun 2019 | England | June 1969 | Sheraton House, Castle Park, Cambridge, Cambridgeshire, CB3 0AX, United Kingdom |
| SMITH, Simon Leslie RESIGNED | Director | 01 Dec 2009 | 11 Sep 2012 | England | June 1969 | 60, Newman Street, London, W1T 3DA |
| SWENARTON, Mark Creighton, Professor RESIGNED | Director | 06 Jul 2006 | 08 Sep 2009 | | September 1952 | 1 Melior Court, 79 Shepherds Hill, London, N6 5RQ |
| TAYLORSON, David Redman RESIGNED | Director | | 01 Jul 1994 | | March 1931 | 6 Gorsey Road, Wilmslow, Cheshire, SK9 5DP |
| THISTLETON-SMITH, Anthony David RESIGNED | Director | 11 Jun 2019 | 30 Aug 2021 | United Kingdom | February 1967 | Borden Manor, Bordean, Petersfield, GU32 1EP, England |
| TIETZ, Stefan Berthold RESIGNED | Director | 01 Jul 1994 | 05 Dec 2000 | | December 1927 | 1 Halsey Street, London, SW3 2QH |
| TONG, John RESIGNED | Director | 02 Oct 2000 | 22 Sep 2003 | | May 1951 | 19 New House Park, St Albans, Hertfordshire, AL1 1UA |
| TRAVIS, Ernest Raymond Anthony RESIGNED | Director | 07 Jul 1995 | 07 Jul 2000 | England | May 1943 | 86 Drayton Gardens, London, SW10 9SB |
| UNDERWOOD, Philip John RESIGNED | Director | | 02 Jul 1999 | United Kingdom | August 1940 | Horringer Hill House, Horringer Road, Bury St Edmunds, Suffolk, IP33 2EE, England |
| VENABLES, Richard RESIGNED | Director | | 20 Mar 1992 | | October 1931 | 1 Rowley Bank Gardens, Stafford, Staffordshire, ST17 9SJ |
| WAUGH, Andrew Charles, Mr. RESIGNED | Director | 06 Dec 2016 | 11 Jun 2019 | England | July 1966 | 77, Leonard Street, London, EC2A 4QS, United Kingdom |
| WHITE, Craig Alasdair RESIGNED | Director | 06 Jul 2006 | 12 Sep 2016 | England | June 1962 | 19 Albert Park, Bristol, BS6 5NE |