The rehabilitation of the Palace of the Maestres of Calatrava for the seat of the National Museum of the Theatre, proposes the conclusion of the recovery process of a building and place of great historic importance in Almagro city. The core of the Museum is organized around the back patio. In the modified space a newly built element is introduced occupying the centre of the empty patio, which aims to show its quality as an element included in the adaptation works and whose function is to serve as the museum’s exhibition hall. It includes the complete restoration of the old cloister, the building of the new Museum facilities around the backyard and the rehabilitation of the access to Grand Master Street, the library and paintings.