Reducing the weight is a process that is relatively demanding. It certainly is possible, which has already been proved by a variety of different people, who have even minimized their weight by more than 50 kilograms.
A house is a place, in which we mostly believe that there is still a lot that can be improved. Therefore, some people, who have their house mostly believe that there is a lot that is likely to be improved in this field. Nonetheless, in order to be able to make frequent developments, we also need to have an appropriate budget.