The present premanufactured structures for constructing buildings comprises a construction system for an energy efficient multi-story building with a plurality of standard single or mixed units. The multi-story building is constructed using premanufactured structures comprising: a plurality of non-weight bearing walls, the plurality of non-weight bearing walls with finished exterior including all electrical, insulating, plumbing and communications components that are premanufactured at a site distant from a building site, and the plurality of non-weight bearings walls are attached to a plurality of floor and ceiling slabs and interfacing with each other to enclose the plurality of units of the building; a plurality of interior components that are premanufactured at the site distant from the building site to connect to inside portions of the non-weight bearing walls; and a plurality of exterior components that are premanufactured at the site distant from the building site to attach to exterior surfaces of the building. The plurality of non-weight bearing walls, the plurality of interior components, and the plurality of exterior components are installed and connected together to provide the energy efficient multi-story building with the plurality of units with different floor plans, and optionally, a retail level with underground parking.