Thanks for visiting All Round House Enhancements online. With regards to discovering room in your home for an extra toilet, take a look at any additional rooms or underutilized spaces. Contemplate other spaces, equivalent to closets or areas under the stairs, too. If you would like a half-bathtub you want at least 18 square toes. If you’d like a full tub, together with a stand-up bathe, you want no less than 30 square ft. If you want a bathtub, be sure to have a minimum of 35 square toes to work with for a bathroom addition. See these lavatory design and remodeling concepts to get you started.