My husband and I are interested in purchasing a home with a deeply sucken living room area (maybe 3 feet deep) with a fireplace. The sunken area is completely useless and a potential safety hazard. How feasible and costly will it be to raise the area and level the flooring? We are indifferent...

I have a sunken living room that is 19' x 14' and 4" deep. It has a 4'' concrete wall all the way around the edges. Can I just fill it with concrete or will the weight strain the house too much? A family member suggested using 1 or 2" concrete foam blocks and the rest concrete. Is this a...