In a house from the 1940s, there is a concrete basement staircase that runs down along the facade as they usually do. It is completely crumbled, and the walls are frost-damaged with nothing that can be salvaged. Now I have been suggested to dig everything out, build up the walls with blocks and the steps made of wood. Does that sound sensible compared to casting one in concrete like before? The house is not visible, the basement staircase is at the back and is not used on a daily basis, and functionality is a priority.