Unfortunately for homeowners faced with the prospect, there is no such thing as a standard cost for underpinning a house because the works involved are unique to the property, the reasons for underpinning, and the underpinning process used. A structural surveyor will be able to give you an approximate idea of the cost. Of course, if the problem is covered by your home buildings insurance, the cost of underpinning a house shouldn’t be something you need to worry about.