Field is an active member of the Church of England, a former chairman of the Churches Conservation Trust and a member of the Church of England General Synod. Field's political and religious views are most clearly expressed in his book "Neighbours From Hell" where he discusses what might replace the "largely beneficial effect" of evangelical Christianity. Between 2005 and 2015, Field was chairman of the Cathedral Fabrics Commission for England – the national body that controls the care, conservation and repair or development of cathedrals. In 2007 he was appointed as chairman of the 2011 King James Bible Trust, which was established to celebrate the 400th anniversary of the King James Bible.