| RICHARDSON, Jonathan Charles ACTIVE | Secretary | 09 Aug 2005 | | | | 8-12, York Gate, London, NW1 4QG, England |
| FISCHER, Andrew Olaf ACTIVE | Director | 05 Dec 1996 | | United Kingdom | August 1964 | 8-12, York Gate, London, NW1 4QG, England |
| FISHER, Ian ACTIVE | Director | 05 Dec 1996 | | United Kingdom | August 1950 | 8-12, York Gate, London, NW1 4QG, England |
| FLETCHER, Alan Thomas ACTIVE | Director | 05 Dec 1996 | | United Kingdom | December 1934 | 8-12, York Gate, London, NW1 4QG, England |
| RICHARDSON, Jonathan Charles ACTIVE | Director | 09 Aug 2005 | | England | November 1960 | 8-12, York Gate, London, NW1 4QG, England |
| ARCHER, William Richard Valentine RESIGNED | Secretary | | 20 Oct 1993 | | | 8 West Farm Drive, Ashtead, Surrey, KT21 2LB |
| CAMERON, Ewen RESIGNED | Secretary | 20 Oct 1993 | 06 Dec 1993 | | | Oakfield House Station Road, Wargrave, Berkshire, RG10 8EU |
| RICHARDSON, Karen RESIGNED | Secretary | 22 Feb 1994 | 06 Dec 1996 | | | Five Farthings, Mansel Road, London, SW19 4AA |
| SMITH, Stephen Anthony RESIGNED | Secretary | 04 Jun 1999 | 09 Aug 2005 | | | The Tudor House, Week St Mary, Holsworthy, EX22 6UL |
| SMITH, Stephen Anthony RESIGNED | Secretary | 11 Apr 1997 | 04 Jun 1999 | | | 12 Chestnut Avenue, Northwood, Middlesex, HA6 1HR |
| BLAW DUCTS LIMITED RESIGNED | Secretary | 05 Dec 1996 | 11 Apr 1997 | | | Caradon House 24 Queens Road, Weybridge, Surrey, KT13 9UX |
| S J BERWIN SERVICES RESIGNED | Secretary | 04 Jun 1999 | 04 Jun 1999 | | | 222 Grays Inn Road, London, WC1X 8HB |
| ADAMS, Robert RESIGNED | Director | | 20 Oct 1993 | | October 1945 | 26 Marlborough Place, St Johns Wood, London, NW8 0PD |
| BOUCHER, Joseph RESIGNED | Director | 22 Dec 2016 | 18 Feb 2020 | United Kingdom | May 1983 | 8-12, York Gate, London, NW1 4QG |
| BROWN, Downie RESIGNED | Director | | 20 Oct 1993 | | June 1943 | Shepherds Close, Byways Gravel Path, Berkhamstead, Hertfordshire, HP4 2PJ |
| BULL, Christopher Robert Howard RESIGNED | Director | | 20 Oct 1993 | | May 1942 | Warrenhurst, The Warren, Ashtead, Surrey, KT21 2RX |
| BURNINGHAM, Derek RESIGNED | Director | 28 Nov 1996 | 06 Dec 1996 | United Kingdom | March 1950 | 58 Brooklands Way, Redhill, Surrey, RH1 2BW |
| BUTLER, Shaun RESIGNED | Director | 28 Nov 1996 | 06 Dec 1996 | | May 1956 | 43 High Road, Cookham, Maidenhead, Berkshire, SL6 9HR |
| COHEN, Daniel Charles RESIGNED | Director | 20 Oct 1993 | 27 Nov 1995 | | July 1948 | 25 Berwyn Road, Richmond, Surrey, TW10 5BP |
| COOKE, John Arthur RESIGNED | Director | | 30 Jun 1993 | United Kingdom | April 1943 | 29 The Avenue, Richmond, Surrey, TW9 2AL |
| DAVIDSON, Antony Keith RESIGNED | Director | 01 Apr 1993 | 20 Oct 1993 | | January 1946 | 24 Railway Road, Teddington, Middlesex, TW11 8SB |
| DOWSETT, Michael John RESIGNED | Director | 01 Apr 1993 | 20 Oct 1993 | | July 1934 | Seven Trees 62 Marshals Drive, St Albans, Hertfordshire, AL1 4RF |
| HEWETT, Peter John RESIGNED | Director | 20 Oct 1993 | 06 Dec 1996 | | March 1936 | 21 Alexander Square, London, SW3 2AU |
| JANSEN, Peter Johan RESIGNED | Director | 20 Oct 1993 | 06 Dec 1996 | | February 1940 | Constantia South Road, St Georges Hill, Weybridge, Surrey, KT13 0NA |
| LLEWELLYN, Trefor Wilmot RESIGNED | Director | 19 Sep 1995 | 06 Dec 1996 | England | July 1947 | Hill Farm House, Ipsden, Wallingford, Oxfordshire, OX10 6AD |
| RACE, Eric RESIGNED | Director | 01 Apr 1993 | 20 Oct 1993 | | August 1936 | 18 Stratfield Drive, Broxbourne, Hertfordshire, EN10 7NU |
| RAY, John William RESIGNED | Director | | 20 Oct 1993 | | August 1933 | Long Lane House, Forest Road, Wokingham, Berkshire, RG40 5SD |
| SAGE, Gordon Holden RESIGNED | Director | | 01 Apr 1993 | | April 1947 | 18 Reynolds Close, London, NW11 7EA |
| SMITH, Stephen Anthony RESIGNED | Director | 11 Apr 1997 | 28 Apr 2006 | United Kingdom | August 1951 | The Tudor House, Week St Mary, Holsworthy, EX22 6UL |
| STRACHAN, Ian Charles RESIGNED | Director | | 20 Oct 1993 | United Kingdom | April 1943 | 30 Bloomfield Terrace, London, SW1W 8PQ |
| TURNER, Brian Charles RESIGNED | Director | | 20 Oct 1993 | | June 1939 | Ravensworth, Thirlestaine Road, Cheltenham, Gloucestershire, GL53 7AS |
| WILLANS, John Richard David RESIGNED | Director | | 20 Oct 1993 | | May 1943 | Field Cottage, Flaunden, Hemel Hempstead, Hertfordshire, HP3 0PP |
| WOLSTENHOLME, David RESIGNED | Director | | 20 Oct 1993 | | April 1940 | 2 Priory Close, Church Crescent Finchley, London, N3 1BB |