| COX, James Edward ACTIVE | Secretary | 01 Oct 2021 | | | | Level 3, Plant, Basing View, Basingstoke, Hampshire, RG21 4HG, England |
| PARK, Joseph Augustus ACTIVE | Director | 01 Apr 2022 | | United Kingdom | December 1970 | Level 3, Plant, Basing View, Basingstoke, Hampshire, RG21 4HG, England |
| PARPIA, Alia Hermione Manu ACTIVE | Director | 11 Feb 2025 | | United Kingdom | August 1983 | Level 3, Plant, Basing View, Basingstoke, Hampshire, RG21 4HG, England |
| DAVIES, John RESIGNED | Secretary | 18 Sep 2007 | 17 Aug 2012 | | | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| FREE, Catherine Marie RESIGNED | Secretary | 17 Apr 2018 | 30 Jan 2019 | | | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA |
| HARRISON, Maxine Louise RESIGNED | Secretary | 29 Dec 2000 | 14 Mar 2002 | | | 28 Cumberland Road, Kew, Richmond, Surrey, TW9 3HQ |
| HARRISON, Maxine Louise RESIGNED | Secretary | 14 Jan 1997 | 23 Sep 1999 | | | 28 Cumberland Road, Kew, Richmond, Surrey, TW9 3HQ |
| HAYNES, Victoria RESIGNED | Secretary | 31 Jul 2013 | 22 Apr 2014 | | | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| HOOSEN, Nadia RESIGNED | Secretary | 30 Jan 2019 | 31 May 2021 | | | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA |
| MILLAR, Mark Falcon RESIGNED | Secretary | 08 Sep 2014 | 17 Apr 2018 | | | Fanum House, Basing View, Basingstoke, Hants, RG21 4EA, United Kingdom |
| RITCHIE, Ian RESIGNED | Secretary | 23 Sep 1999 | 01 Sep 2000 | | | 66 Cherwell Drive, Marston, Oxford, Oxfordshire, OX3 0LZ |
| SCOTT, Robert James RESIGNED | Secretary | 22 Apr 2014 | 08 Sep 2014 | | | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA, United Kingdom |
| SKEEN, Colin Jeffrey RESIGNED | Secretary | | 14 Jan 1998 | | | 2 Worcester Crescent, Bristol, Avon, BS8 3JA |
| STRINGER, Andrew Paul RESIGNED | Secretary | 17 Aug 2012 | 31 Jul 2013 | | | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| TOUSDALE, Carolyn RESIGNED | Secretary | 01 Jun 2005 | 18 Sep 2007 | | | 2 Oak Tree Cottage, Brick Hill, Chobham, Surrey, GU24 8TG |
| CENTRICA SECRETARIES LIMITED RESIGNED | Secretary | 14 Mar 2002 | 30 Sep 2004 | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CENTRICA SECRETARIES LIMITED RESIGNED | Secretary | 01 Sep 2000 | 29 Dec 2000 | | | Charter Court 50 Windsor Road, Slough, Berkshire, SL1 2HA |
| CLIFFORD CHANCE SECRETARIES (CCA) LIMITED RESIGNED | Secretary | 30 Sep 2004 | 01 Jun 2005 | | | 10 Upper Bank Street, London, E14 5JJ |
| ASHTON, Stephen David RESIGNED | Director | 28 Aug 2009 | 30 Jun 2011 | England | June 1963 | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| BOLAND, Andrew Kenneth RESIGNED | Director | 31 Jan 2013 | 19 Dec 2014 | United Kingdom | December 1969 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA, United Kingdom |
| BREAKWELL, Simon John RESIGNED | Director | 27 Jun 2019 | 17 Jul 2020 | England | February 1965 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA |
| BRISCOE, Andrew Mark RESIGNED | Director | 10 Jan 2002 | 28 Jan 2003 | England | March 1960 | Riverside House, Priory Lane, Frensham, Surrey, GU10 3DW |
| BROWN, Barry Robert RESIGNED | Director | | 09 May 1994 | | February 1946 | Wilfred House, The Avenue, Ascot, Berkshire, SL5 7NB |
| CALDWELL, Lucy Elizabeth RESIGNED | Director | 23 Sep 1999 | 20 Dec 2000 | | February 1968 | 19 St Davids Drive, Englefield Green, Surrey, TW20 0BA |
| CHINN, Trevor Edwin, Sir RESIGNED | Director | 30 Sep 2004 | 18 Feb 2005 | | July 1935 | Flat 29, 7 Princes Gate, London, SW7 1QL |
| CLARKE, Martin Andrew, Dr RESIGNED | Director | 01 Jul 2015 | 14 Dec 2015 | United Kingdom | November 1955 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA, England |
| COOKE, Christopher Michael RESIGNED | Director | 20 Sep 1993 | 13 Mar 1995 | England | February 1953 | 1 Cranesfield, Sherborne St John, Basingstoke, Hampshire, RG24 9LN |
| COUGHLAN, David Patrick RESIGNED | Director | 17 Jul 2020 | 15 Mar 2022 | England | March 1972 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA |
| FAIRCLOUGH, James Edward RESIGNED | Director | 19 Jul 2019 | 31 Dec 2022 | England | May 1976 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA |
| FLEMING, Catherine Elinor RESIGNED | Director | 03 Sep 1998 | 08 Jun 1999 | | May 1961 | The Old Power House, Marlston, Thatcham, Berkshire, RG18 9UL |
| GARRIHY, Anne RESIGNED | Director | 23 Sep 1999 | 20 Dec 2000 | | June 1960 | 38 Bunbury Way, Epsom, Surrey, KT17 4JP |
| GOODSELL, John Andrew RESIGNED | Director | 14 Oct 2009 | 03 Jun 2014 | United Kingdom | January 1959 | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| HARRISON, Maxine Louise RESIGNED | Director | 03 Sep 1998 | 23 Sep 1999 | England | February 1960 | 28 Cumberland Road, Kew, Richmond, Surrey, TW9 3HQ |
| HIDDLESTON, David James RESIGNED | Director | | 24 May 1994 | United Kingdom | July 1943 | 4 Grovewood Close, Chorleywood, Hertfordshire, WD3 5PU |
| HORVATH, Briony Jennifer RESIGNED | Director | 01 Jan 2023 | 01 Nov 2024 | England | May 1979 | Level 3, Plant, Basing View, Basingstoke, Hampshire, RG21 4HG, England |
| HOWARD, Stuart Michael RESIGNED | Director | 18 Sep 2007 | 03 Jun 2014 | United Kingdom | May 1962 | 2 Enbrook Park, Folkestone, Kent, CT20 3SE |
| HUGGINS, Mark RESIGNED | Director | 28 Aug 2009 | 30 Sep 2015 | England | September 1964 | 149, Oldfield Road, Altrincham, Cheshire, WA14 4HY |
| HURLEY, Roy Benjamin Matthew RESIGNED | Director | | 15 Jul 1993 | England | April 1942 | Oddyfields Cow Lane, Tring, Hertfordshire, HP23 5NS |
| JANSEN, Christopher Trevor Peter RESIGNED | Director | 06 Jan 2014 | 31 Aug 2014 | United Kingdom | July 1970 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA, United Kingdom |
| JOHNSON, Michael RESIGNED | Director | 14 Dec 2015 | 30 Jun 2017 | United Kingdom | August 1963 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA |
| LLOYD, Michael Samuel RESIGNED | Director | 14 Dec 2015 | 08 Jun 2018 | England | February 1978 | Fanum House, Basing View, Basingstoke, Hants, RG21 4EA, United Kingdom |
| LOWE, George Henry RESIGNED | Director | | 03 Sep 1998 | United Kingdom | January 1942 | Cruckwell House, Upper Swanmore, Southampton, Hampshire, SO32 2QQ |
| MACKENZIE, Robert David RESIGNED | Director | 01 Jul 2015 | 14 Dec 2015 | England | December 1952 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA, England |
| MILES, Lewis David RESIGNED | Director | 20 Jul 2018 | 14 Jan 2020 | England | October 1981 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA |
| MILLAR, Mark Falcon RESIGNED | Director | 01 Jul 2015 | 14 Dec 2015 | England | October 1969 | Fanum House, Basing View, Basingstoke, Hants, RG21 4EA, United Kingdom |
| PARKER, Timothy Charles RESIGNED | Director | 30 Sep 2004 | 18 Sep 2007 | United Kingdom | June 1955 | Southwood East, Apollo Rise, Farnborough, Hampshire, GU14 0JW |
| PETT, Colin Spencer RESIGNED | Director | 20 Dec 2000 | 28 Jan 2003 | England | May 1953 | 236a Springvale Road, Kings Worthy, Winchester, Hampshire, SO23 7LF |
| POMROY, Jennifer Margaret RESIGNED | Director | 08 Jun 1999 | 23 Sep 1999 | | October 1953 | 4 Lynwood Gardens, Hook, Hampshire, RG27 9DT |
| PRICE, Gregory Laurence RESIGNED | Director | 30 Jun 2017 | 31 Aug 2018 | England | January 1976 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA, England |
| PRITCHARD, Gillian Rosemary RESIGNED | Director | 30 Apr 2016 | 24 May 2016 | England | September 1975 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA |
| RICHARDSON, Kerry Francis RESIGNED | Director | 20 Dec 2000 | 14 Jan 2002 | England | December 1948 | 7 Torland Drive, Oxshott, Leatherhead, Surrey, KT22 0SA |
| RICHARDSON, Kerry Francis RESIGNED | Director | 31 Oct 1996 | 03 Sep 1998 | England | December 1948 | 7 Torland Drive, Oxshott, Leatherhead, Surrey, KT22 0SA |
| RITCHIE, Ian RESIGNED | Director | 23 Sep 1999 | 20 Dec 2000 | United Kingdom | May 1952 | 66 Cherwell Drive, Marston, Oxford, Oxfordshire, OX3 0LZ |
| ROLLINS, David Thomas RESIGNED | Director | 20 Dec 2000 | 28 Jan 2003 | | November 1953 | The Cottage, Penhow, Caldicot, Monmouthshire, NP26 3AD |
| SCOTT, Robert James RESIGNED | Director | 17 Sep 2014 | 30 Apr 2016 | England | September 1973 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA, England |
| SEARLE, David Richard RESIGNED | Director | 08 Jun 2018 | 01 Aug 2019 | United Kingdom | November 1979 | Fanum House, Basing View, Basingstoke, Hampshire, RG21 4EA |
| SNELL, Michael Clive RESIGNED | Director | | 19 Aug 1993 | | April 1947 | 5 Sarum View, Sarum Road, Winchester, Hampshire, SO22 5QF |
| STRONG, Andrew Jonathan Peter RESIGNED | Director | 18 Sep 2007 | 06 Jan 2014 | United Kingdom | October 1964 | Enbrook Park, Sandgate, Folkestone, Kent, CT20 3SE, United Kingdom |
| TAYLOR, Mark Robert RESIGNED | Director | 20 Dec 2000 | 18 Dec 2001 | | February 1958 | 21 The Spinney, Camberley, Surrey, GU15 1HH |
| WOOD, Gregory Mark RESIGNED | Director | 29 Jun 1994 | 31 Oct 1996 | | July 1953 | The Old Vicarage, Churt, Farnham, Surrey, GU10 2HX |
| WOOLF, Paul Antony RESIGNED | Director | 18 Feb 2005 | 18 Sep 2007 | United Kingdom | December 1964 | Freemantle, King Lane, Over Wallop, Hampshire, SO20 8JE |
| CENTRICA DIRECTORS LIMITED RESIGNED | Director | 28 Jan 2003 | 30 Sep 2004 | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CENTRICA SECRETARIES LIMITED RESIGNED | Director | 28 Jan 2003 | 30 Sep 2004 | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |