Urban planning law in Spain is undergoing significant changes due to various pressures. The bursting of the housing bubble revealed flaws in Spain's traditional urban planning model. Additionally, the European Commission and Court of Justice have criticized aspects of Spanish urban planning. This document discusses some of the complex interests at play in urban planning, including social, political, economic, environmental, and media influences. It also examines issues like speculation in the housing and land markets, the role of technical experts, and decentralization of decision-making power to local governments. Overall, the document analyzes challenges facing reforms to Spanish urban planning law and practice.