In 1994, the Lisbon Town Authorities created the “Department of the Integrated Projects” (Divisão dos Projectos Integrados) that identified buildings or building complexes being architectural historical and cultural heritage and endowed with exceptional potentials. Planned interventions intended to be carried out in a fast and efficient way establishes and develops the concepts for anchor and exemplary projects. In this context the Integrated Castle Project, along with four others, is an exceptional case due its size.
In 1995 the Lisbon Municipal Agency of State-owned Dwelling Resources and Public Facilities (EBAHL) was founded, in charge of management within the city and within the Integrated Projects.