The minimum space required for a restroom is 15 square feet. This is the minimum amount of space required to accommodate the requisite distances between the floor and ceiling, toilet, and sink. A toilet room is sometimes known as a powder room or half-bath.
The International Residential Code (IRC) stipulates that a particular amount of free space must be left between fixtures to ensure safety and comfort. The entryway must be at least 34 inches wide in order to accommodate a door that is at least 2 feet 10 inches tall. The regulation demands 15 inches of side-to-side clearance between the centerline of the toilet and the wall, thus the room must be at least 30 inches wide at its narrowest point.
A minimum of 30 inches of free space is required between the front edge of any fixture, such as a toilet, sink, or bidet, and the wall. This includes at least 21 inches of space for standing in front of the sink. To satisfy these standards, the length of the room must be at least 52 inches. The ceiling must extend at least 80 inches above the toilet.
The use of compact toilets and sinks can make a small toilet area feel more roomy. Large mirrors can also be utilised to make a room appear larger. Before commencing on a project to build a toilet room or any other domestic structure, check the local building codes.