It comes to the conclusion that the public system governing these policies is characterised by a series of fragmented and reactive decisions that are centralised and taken with insufficient engagement of stakeholders and the citizens. Taking into account the main organic constitutional laws, ordinary laws, legislative decrees, law-decrees and supreme decrees, the legal framework amounts to more than 30 legal acts besides the General Law of Uiban Development and Constructioa1 Many of those legal documents overlap or even are contradictory to each other and require adjusting and updating consolidation. At present, the many exemptions and exceptions added over time to specific legal provisions make the system very opaque, discretional and arbitrary.