What goes into ‘lifting’ houses? Raising a house is a slow process. At first the structural investigation is carried out by the expert who helps determine the mass and stability of the building, then the topography of the area is checked. Then the method of lifting is selected, so that the whole house including the columns and slabs should be raised evenly to desired level as mentioned by the client. The methods used by company can be vary from country to country. If talk about India manually operated jacks, hydraulic systems and steel beams are used. An average Indian house may need 200250 jacks to lift and separate the house from its foundation. This may take 15-20 days