As your family grows, you need to add some bathroom features to suit their needs. Especially if you now have kids in the house, you will need to redesign the bathroom to cater to them, such as adding a smaller tub. Apart from children, you may have aging family members or a physically handicapped person who uses a wheelchair. These family members cannot use the bathroom facilities as the average person does. Therefore, you will need to remodel your bathroom to cater to their needs.