| MORTON, Charlotte Rebecca ACTIVE | Director | 28 Apr 2010 | | United Kingdom | April 1967 | Sustainable Bankside, 25 Lavington Street, London, SE1 0NZ, England |
| SHAND, Richard Edward ACTIVE | Director | 24 Oct 2017 | | England | March 1952 | Old Chantry House, Blacksmiths Lane, Ashwellthorpe, Norwich, Norfolk, NR16 1EP, England |
| WALLACE, Rodney Dickson ACTIVE | Director | 01 Oct 2020 | | England | January 1961 | 181, Lindsey Street, Epping, Essex, CM16 6RF, England |
| ASHTON, Grant William Sandiford RESIGNED | Director | 30 Oct 2017 | 07 Dec 2019 | United Kingdom | March 1967 | 18, Regents Park Terrace, London, NW1 7ED, England |
| BARKER, Richard Charles RESIGNED | Director | 08 Nov 2010 | 04 Feb 2015 | United Kingdom | April 1968 | Canterbury Court, Kennington Park, 1-3 Brixton Road, London, SW9 6DE, United Kingdom |
| BROWNHILL, Terence Ernest RESIGNED | Director | 28 Apr 2010 | 21 Jul 2016 | Wales | March 1951 | Canterbury Court, Kennington Park, 1-3 Brixton Road, London, SW9 6DE, United Kingdom |
| FULLER, Samantha Ankara RESIGNED | Director | 28 Apr 2010 | 11 Sep 2013 | United Kingdom | October 1967 | Canterbury Court, Kennington Park, 1-3 Brixton Road, London, SW9 6DE, United Kingdom |
| GITTUS, George Frederick Gough RESIGNED | Director | 01 Sep 2016 | 24 Oct 2017 | England | April 1965 | Windsor Wood House, Honey Hill, Little Saxham, Bury St. Edmunds, IP29 5LA, United Kingdom |
| GREENFIELD, David William James, Dr RESIGNED | Director | 11 Mar 2015 | 27 Oct 2017 | England | March 1971 | Hapling, Keymer Road, Burgess Hill, West Sussex, RH15 0AP, England |
| HANSON, Michael Andrew RESIGNED | Director | 28 Jan 2014 | 25 Oct 2017 | England | June 1967 | 87, Chobham Road, Sunningdale, Ascot, Berkshire, SL5 0HQ, England |
| HARRISON, Dorian RESIGNED | Director | 10 Sep 2009 | 01 Apr 2016 | United Kingdom | November 1972 | Forest Cottage, School Lane, Eakring, Newark, Notts, NG22 0DE |
| HAYWARD-HIGHAM, Stuart RESIGNED | Director | 28 Apr 2010 | 30 Sep 2017 | United Kingdom | November 1965 | Canterbury Court, Kennington Park, 1-3 Brixton Road, London, SW9 6DE, United Kingdom |
| HELLER, William Jacob, Mr. RESIGNED | Director | 11 Mar 2015 | 14 Sep 2017 | England | September 1956 | 20 Balcombe Street, Balcombe Street, London, NW1 6ND, England |
| JONES, Gwynfor Alun RESIGNED | Director | 25 Jul 2011 | 10 Jun 2014 | United Kingdom | March 1954 | Crouchlands Farm, Plaistow Road, Kirdford, Billingshurst, West Sussex, RH10 0LE, England |
| LITTLE, Gary RESIGNED | Director | 10 Sep 2009 | 24 Oct 2012 | United Kingdom | January 1957 | 1 School Terrace, Salterforth, Barnoldswick, Lancashire, BB18 5TZ |
| LUKAS, Philipp Hagen RESIGNED | Director | 04 Jun 2013 | 24 Oct 2017 | England | April 1974 | 10-12, Frederick Sanger Road, Surrey Research Park, Guildford, Surrey, GU2 7YD, England |
| MATTHEWS, Christopher Graham RESIGNED | Director | 28 Apr 2010 | 11 Mar 2015 | United Kingdom | July 1973 | Canterbury Court, Kennington Park, 1-3 Brixton Road, London, SW9 6DE, United Kingdom |
| MAYHEW, Maxine Eleanor RESIGNED | Director | 04 Jun 2015 | 30 Sep 2017 | Britain | August 1973 | 23, Lowes Rise, Durham, DH1 4NS, England |
| MEHTA, Rajatsingh Lalit RESIGNED | Director | 01 Oct 2020 | 28 Nov 2025 | England | February 1980 | 52, Ducks Hill Road, Northwood, HA6 2SB, England |
| MINTER, Thomas Frederick Dent RESIGNED | Director | 01 Oct 2020 | 16 Mar 2025 | England | May 1965 | Sustainable Workspaces, Office Ch5, Fifth Floor, Riverside House, County Hall, Westminster Bridge Road, London, SE1 7PB, United Kingdom |
| NEWMAN, David Robert RESIGNED | Director | 30 Oct 2017 | 31 Dec 2020 | England | January 1956 | Sustainable Bankside, 25 Lavington Street, London, SE1 0NZ, England |
| O'NEILL, Julian Alexander RESIGNED | Director | 11 Mar 2015 | 31 Mar 2017 | England | July 1971 | Jesmond House, 3 High Street, Flitton, Bedford, MK45 5DU, England |
| REDESDALE, Rupert Bertram, Lord RESIGNED | Director | 28 Apr 2010 | 30 Sep 2012 | England | July 1967 | Canterbury Court, Kennington Park, 1-3 Brixton Road, London, SW9 6DE, United Kingdom |
| VAUGHAN, George Hugh RESIGNED | Director | 10 Sep 2009 | 07 Dec 2010 | United Kingdom | September 1960 | Dean House, Heathwood Road, Higher Heath, Whitchurch, Shropshire, SY13 2HG |
| WOODRUFF, John William RESIGNED | Director | 19 Mar 2012 | 27 Mar 2014 | England | October 1958 | Canterbury Court Kennington Park, 1-3 Brixton Raod, London, SW9 6DE, United Kingdom |