Opportunity not to be missed: Triplex with tremendous potential! Spacious main unit of 2,200 sq. ft. spread over two levels with a mezzanine, offering functional living spaces. Features include original hardwood floors and mezzanine staircase (1875) and exceptional natural light thanks to three skylights. Direct access from the mezzanine to the membrane roof (2025), ready for the development of a large terrace. Also includes a 4½ and a charming 3½ on the ground floor, both overlooking the inner courtyard. Prime location just steps from Sainte-Catherine Street!