Apartments these days do not come with concrete Overhead storage /Lofts. They are necessity as storage needs are higher.
You can make Overhead storage in Hall / Kitchen / Bedroom, Ideal place for them is above the Wardrobe. They can have hinge openings on sideways or hydraulic openings which opens up upside.
It is important that high strength ply is used for the overhead storage so thickness is increased by combining multiple sheets .