| LEVEN, Steven ACTIVE | Secretary | 15 Jan 2007 | | | | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| DOWDING, Katrina Mary ACTIVE | Director | 23 May 2017 | | England | March 1970 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| MARKS, Lee ACTIVE | Director | 16 Mar 2026 | | United Kingdom | May 1972 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| MCDONALD, Adam Michael ACTIVE | Director | 02 May 2023 | | United Kingdom | December 1983 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| MORTENSEN, Jo ACTIVE | Director | 01 Jan 2025 | | Norway | April 1973 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| MUCKIAN, Terry ACTIVE | Director | 01 Jan 2025 | | United Kingdom | July 1968 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| OLUDIPE, Meliha Duymaz ACTIVE | Director | 28 Sep 2022 | | United Kingdom | November 1978 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| WILLIAMS, Daniel Martin ACTIVE | Director | 28 Oct 2025 | | United Kingdom | December 1982 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| MURRAY, Karen Michelle RESIGNED | Secretary | 01 Jul 2000 | 15 Jan 2007 | | | 1 Centre Walk, Hazlemere, Buckinghamshire, HP15 7UZ |
| TANNER, Brian Edward RESIGNED | Secretary | | 30 Jun 2000 | | | 1 Thatchers Close, Horley, Surrey, RH6 9LE |
| ANDREW, John James RESIGNED | Director | | 24 Feb 1992 | | June 1942 | 68 Pine Grove, Wimbledon, SW19 7HE |
| BAYLISS, Roger Francis RESIGNED | Director | 20 Jul 2010 | 01 Feb 2016 | United Kingdom | March 1957 | Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| BLACKMORE, Robert George RESIGNED | Director | | 24 Feb 1992 | | October 1933 | 13 Lowther Road, Barnes, London, SW13 9NX |
| CARRA*, Philip Ivo RESIGNED | Director | 20 Aug 2004 | 20 Jul 2010 | | April 1957 | Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| CHAMBERS, Kenneth William RESIGNED | Director | | 24 Feb 1992 | | June 1944 | 60 St Peters Avenue, Caversham, Reading, Berkshire, RG4 7DH |
| CHANDLER, Paul RESIGNED | Director | 16 Feb 2010 | 07 Nov 2016 | United Kingdom | January 1964 | Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| CHILD, James Edward RESIGNED | Director | 30 Jun 1999 | 29 Oct 1999 | England | July 1966 | Forge Cottage, Forest Road, Binfield, Berkshire, RG42 4HD |
| CLARKE, Geoffrey Francis RESIGNED | Director | | 30 Jun 1999 | England | July 1943 | 17 Oaken Coppice, Ashtead, Surrey, KT21 1DL |
| CLARKE, Keith Edward RESIGNED | Director | 06 Feb 1996 | 01 Mar 2002 | England | May 1952 | 14 Thorney Hedge Road, Chiswick, London, W4 5SD |
| COOTE, Peter Edward RESIGNED | Director | 01 Jul 2001 | 10 Aug 2007 | | August 1944 | Barley Corner 12 Coldharbour Lane, Hildenborough, Tonbridge, Kent, TN11 9JT |
| CRAIG, Gregor Lawrence RESIGNED | Director | 27 Feb 2015 | 02 May 2023 | United Kingdom | May 1963 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| CRONIN, James Kieran RESIGNED | Director | 01 Dec 1999 | 31 Jan 2004 | United Kingdom | September 1961 | Herons Reach, Gossmore Lane, Marlow, Buckinghamshire, SL7 1QF |
| DEVENISH, Brian Charles RESIGNED | Director | | 30 Jun 1999 | | December 1943 | 114 Kingsmead Avenue, Worcester Park, Surrey, KT4 8UT |
| ENGLISH, Andrew Michael RESIGNED | Director | 01 Jan 2025 | 12 Dec 2025 | England | December 1965 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| EVANS, David Clark RESIGNED | Director | 25 Feb 1997 | 31 Jan 1999 | England | October 1946 | Lyle House, 67 Marsham Way, Gerrards Cross, Buckinghamshire, SL9 8AW |
| EVANS, David Clark RESIGNED | Director | 31 May 1994 | 24 Feb 1997 | England | October 1946 | Lyle House, 67 Marsham Way, Gerrards Cross, Buckinghamshire, SL9 8AW |
| FAULKNER, Thomas Peter RESIGNED | Director | 15 Jun 2015 | 02 Dec 2024 | United Kingdom | May 1974 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| FISON, David Gareth RESIGNED | Director | 01 Mar 2002 | 24 Jul 2008 | United Kingdom | March 1952 | 153, Herne Hill, London, SE24 9LR |
| FISON, David Gareth RESIGNED | Director | 01 Sep 1998 | 01 Jul 2001 | United Kingdom | March 1952 | 153, Herne Hill, London, SE24 9LR |
| GALLOWAY, Mark Lawson RESIGNED | Director | 01 Jul 2001 | 28 Jul 2004 | England | October 1955 | Maple Cross House, Denham Way, Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| GANGOTRA, Culdip Kelly Kaur RESIGNED | Director | 27 Feb 2015 | 29 Jul 2022 | United Kingdom | February 1970 | Maple Cross House, Denham Way, Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW, United Kingdom |
| GARRIGUE, Alain Pierre Jacques RESIGNED | Director | 31 Oct 1994 | 31 Dec 1995 | | November 1937 | 25 Rowan Road, London, W6 7DT |
| GAY, Andrew RESIGNED | Director | 05 Apr 1993 | 30 Nov 1994 | United Kingdom | July 1944 | Bircham Dyson Bell, 50 Broadway, London, SW1H 0BL |
| HAND, Richard Percy William RESIGNED | Director | 01 May 1996 | 01 Mar 1999 | | May 1949 | 7 Blagden Grove, Bishop Auckland, County Durham, DL14 0RZ |
| HIPPERSON, Simon John Haworth RESIGNED | Director | 30 Sep 2002 | 31 Dec 2004 | | July 1966 | Flat 3 1-7 Tysoe Street, Clerkenwell, London, EC1R 4SA |
| HOCKING, William John RESIGNED | Director | 22 Oct 2008 | 10 Jul 2015 | United Kingdom | November 1963 | Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| HOCKING, William John RESIGNED | Director | 01 Apr 2003 | 01 Feb 2007 | | November 1963 | 36 Claremont Gardens, Marlow, Buckinghamshire, SL7 1BS |
| HODGE, Vivian Paul RESIGNED | Director | 26 Sep 1994 | 15 Mar 1996 | | December 1938 | 100 Richmond Hill Court, Richmond Hill, Richmond, Surrey, TW10 6BG |
| JEFFERIES, Peter John RESIGNED | Director | | 31 May 1994 | | October 1944 | Birch Barn, Water Lane, Hawkhurst, Kent, TN18 5DE |
| JONES, Maureen Patricia RESIGNED | Director | 06 Jan 2003 | 01 Dec 2004 | United Kingdom | March 1958 | Randalls Farm, Stockend Edge, Stroud, Gloucestershire, GL6 6PL |
| JONES, Michael Keith RESIGNED | Director | 18 Jul 2005 | 12 Sep 2005 | England | October 1959 | Hargrave Hall, Hargrave, Chester, CH3 7RH |
| KEEBLE, Stewart RESIGNED | Director | 12 Sep 2005 | 01 Feb 2007 | | May 1950 | 48 The Hollows, Bessacarr, Doncaster, South Yorkshire, DN4 7PP |
| KEEBLE, Stewart RESIGNED | Director | 25 Feb 1997 | 30 Jul 2004 | | May 1950 | 48 The Hollows, Bessacarr, Doncaster, South Yorkshire, DN4 7PP |
| KEEBLE, Stewart RESIGNED | Director | 31 May 1994 | 24 Feb 1997 | | May 1950 | 48 The Hollows, Bessacarr, Doncaster, South Yorkshire, DN4 7PP |
| KEEHAN, John Patrick RESIGNED | Director | 22 Aug 1997 | 20 Aug 2004 | | May 1955 | 60 Fitzjames Avenue, Croydon, Surrey, CR0 5DD |
| KIRKWOOD, James RESIGNED | Director | 19 Dec 2003 | 01 Feb 2004 | United Kingdom | December 1951 | Lyndhurst, 34 Woodcote Lane, Leek Wootton, Warwickshire, CV35 7QF |
| KIRKWOOD, James RESIGNED | Director | 20 Feb 2002 | 19 Dec 2003 | United Kingdom | December 1951 | Lyndhurst, 34 Woodcote Lane, Leek Wootton, Warwickshire, CV35 7QF |
| MYERS, Barry RESIGNED | Director | | 05 Feb 1996 | | November 1944 | Boundless Farm Park Lane, Brook, Godalming, Surrey, GU8 5LF |
| NAPIER, Michael Edwin RESIGNED | Director | | 30 Jun 1999 | | August 1938 | Arden Headley Hill Road, Headley, Bordon, Hampshire, GU35 8DS |
| NEESON, Martin George RESIGNED | Director | 07 Nov 2016 | 31 Aug 2023 | England | January 1968 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| OLDHAM, John Richard RESIGNED | Director | | 26 Dec 1992 | | November 1943 | Bivelham House, Mayfield, East Sussex, TN20 6RS |
| PHILPOT, Trevor Archibald RESIGNED | Director | 31 May 1994 | 24 Feb 1997 | | November 1933 | Merrills, 43 Latchmoor Way, Gerrards Cross, Buckinghamshire, SL9 8LZ |
| PLANT, Richard Michael RESIGNED | Director | 03 Apr 2006 | 01 Feb 2007 | England | July 1965 | 17 Middlefield Road, Cossington, Leicester, Leics, LE7 4UT |
| POLLARD, Charles Nicholas RESIGNED | Director | 01 Jan 2005 | 21 Sep 2007 | England | June 1958 | Xanadu, Church Road, Hargrave, Northamptonshire, NN9 6BQ |
| PUTNAM, Michael Colin RESIGNED | Director | 01 Jul 2001 | 08 May 2017 | England | August 1960 | Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| PUTNAM, Michael Colin RESIGNED | Director | 27 Nov 1995 | 24 Feb 1997 | | August 1960 | Dames Bank, Rectory Road, Great Haseley, Oxfordshire, OX44 7JG |
| RUTTER, Richard Charles RESIGNED | Director | 25 Feb 1997 | 22 Aug 1997 | | August 1946 | Cables Cottage Church Lane, Little Witley, Worcester, Worcestershire, WR6 6LP |
| SHADWELL, David John RESIGNED | Director | 30 Sep 2002 | 01 Feb 2007 | England | August 1947 | Squirrels Spring Elms Lane, Little Baddow, Chelmsford, Essex, CM3 4SD |
| SHED, Robert Stephen RESIGNED | Director | 18 Jul 2005 | 01 Feb 2007 | United Kingdom | May 1953 | 10 Maxwell Drive, Hazlemere, High Wycombe, Buckinghamshire, HP15 7BX |
| STURGESS, Andrew RESIGNED | Director | 01 Feb 1997 | 03 May 2002 | | June 1950 | Morston, St Omer Road, Guildford, Surrey, GU1 2DA |
| TWEDDLE, Alan RESIGNED | Director | 01 Feb 1997 | 31 Dec 2003 | | July 1946 | 5 Old Holt Road, Medbourne, Market Harborough, Leicestershire, LE16 8DY |
| TYDEMAN, David Rolfe RESIGNED | Director | 10 Aug 2007 | 31 Oct 2008 | United Kingdom | January 1955 | Burton Grange, Burton, Wiltshire, BA12 6BR |
| VEST, Malcolm Raymond RESIGNED | Director | 24 Feb 1992 | 20 Apr 1993 | | March 1949 | Little Bickley, Milverton, Taunton, Somerset, TA4 1PZ |
| WALLACE, Robert Anthony RESIGNED | Director | 01 Jun 1998 | 31 Jan 2003 | England | July 1950 | 1 Castlereagh, Wynyard, Billingham, Cleveland, TS22 5QF |
| WILCOCK, Anthony Kevan RESIGNED | Director | 27 Nov 1995 | 03 Apr 2006 | | March 1947 | 2 Holly Court, Cavendish Avenue, Harrogate, North Yorkshire, HG2 8HY |
| WILLIAMSON, Mats William RESIGNED | Director | 24 Jul 2008 | 01 Oct 2009 | | March 1958 | Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| WOULDHAM, Michael William RESIGNED | Director | | 31 May 1994 | | June 1948 | 6 Hall End, Woking, Surrey, GU22 0LH |