Restoration of the facade of Aduana Street and the main balcony of Alcalá Street, part of the headquarters of the Ministry of the Treasury and Public Function. The intervention consisted of air-pressure cleaning, replacement of granite ashlar blocks, posts, windows, balustrades and ornaments; stone slab edge repairs and the application of consolidating coatings and restoration mortars. The main balcony was waterproofed and repaved. Finally, chromatic patinas were applied and the downspouts were replaced.