A load calculation is used to verify whether the structure of a building can accommodate additional weight or load, such as the addition of a second storey. It’s also used to check that the retaining beams and columns of a property are still in good condition and supporting well. This load-bearing calculation assesses the stress that the structure can withstand. It may also be required if you want to remove a load-bearing wall, modify partitions, change the roof (for a green roof, for example), renovate the frame, or replace the exterior cladding with brick or other masonry work.