Abstract: The present disclosure relates to building methods for use in automated construction including a method for use in construction of a building, the method including: (a) laying a plurality of courses of blocks onto a foundation to define: i) walls of a first storey of the building; and, ii) a plurality of hollow formwork columns; (b) inserting reinforcing structure into the hollow formwork columns; and (c) pouring concrete into the hollow formwork columns around the reinforcing structure so as to form concrete columns for supporting a slab of a second storey, wherein the blocks forming the plurality of hollow formwork columns remain part of the building structure as permanent formwork.