In the context of current debate on the renewal of urban planning, the paper examines the unique experience lived by Sevillian urbanism during the years of the Transition to democracy, focusing on certain aspects of the urban policy carried out by the Municipal Council elected in 1979. Particularly, the decisions taken on how to use the types of urban planning are analyzed, both in the historic city and in the periphery: from the resignation to reviewing the General Plan in force, limiting itself to its adaptation to the Land Use Act of 1975, up to the commitment to draft a wide range of partial development master plans, conceived to transform specific parts of the city. This understanding of the city by parts and the apparently heterodox nature of the use of urban planning instruments can constitute a stimulus for contemporary urban practice, so much in need of rethinking the instruments of intervention in the city