Im trying to find this movie?

It an old scary movie I dont remember much but it was about this family of 3 (father,mom and a son) move into this big haunted house at the end they were going to move but the mom forgot something so she went back in to house and she taked forever so the dad goes to find her and she turned in to this old scary looking lady and the son dies because the chimney fell on him anyways I really wanna know wat the movie is called