Duncan was first elected to Hillingdon Council in 2014 and re-elected in 2018 to represent Northwood Hills ward where he lives.
Duncan serves as the Vice Chairman of the Council’s Social Care, Housing & Public Health Policy Overview Committee and North Planning Committee.
Duncan has previously served as a Governor of Hillside Junior School and is a member of the Ruislip Woods Management Advisory Group.
Duncan’s political priorities include supporting local businesses in Northwood Hills and protecting local green spaces.
Duncan is married with two young daughters.