The London Planning Advisory Committee (LPAC) was an ad hoc Londonwide joint committee responsible for strategic planning from the abolition of the Greater London Council in 1986 to the creation of the Greater London Authority in 2000. The leader was Sally Hamwee from 1986 and Nicky Gavron from 1994. he Local Government Act 1985 required the London borough councils to set up a "joint planning committee for Greater London". The Town and Country Planning Act 1990 Section 3 (2) detailed the functions of the joint planning committee as: More information on the Wikipedia page [1]