... (1 inch) and add it to the 15â³ minimum. Hereâs the three standards for clearances around a toilet according to the International Residential Code [IRC P2705.1(5) and R305.1(2)]: Minimum of 15-inches from centerline of toilet to adjacent side wall or plumbing fixture at each side, with a total of 30-inches side-to-side, and the one shown above is not acceptible. A bath/shower combination is a good choice for many baths, especially a space that may be used by children as well as adults. The distance to set the toilet flange from the back wall. ... #1. Full bathroom. Standard bathroom cabinet is 21 inches deep with minimum of 21 inches of front clearance. Minimum Clearance to the Side of the Toilet . The first is to do with windows. A one-wall layout is when the sink, toilet and shower line up along one wall. The bath's end wall and the way the door opens is a way to help keep the toilet separate from the rest of the space. So in this example, the center of the flange would be â¦ The minimum you're allowed by code in the US is 5ft x 2.5ft (1.5m x 0.76m). The Distance To Set The Toilet Flange From The Back Wall. a minimum 1200mm clear circulation space forward of the toilet pan exclusive of the swing of the door. It is important to design the bathroom precisely, to allow you to install the bathroom fixture respecting dimensions and the minimum distances between each other. Bathrooms also require a fan that can extract, at a minimum, 25 litres per second. Ideally, leave one metre between the front of the basin and the nearest wall or other objects The minimum distance between the back wall of the toilet and the opposite wall is generally 1500mm however, spacing requirements are influenced by the location of the doorway and position of the toilet. Generally, the height of toilet and bidet is between 55 and 60 cm. When measuring toilet side clearances, always measure from the toilet's imaginary center line to the nearest side obstruction. Sinks, basins or other fixed water containers that hold less than 45 litres have slightly different rules than those which hold more. ; Minimum 21-inches clearance in front of toilet. Often a full bathroom has space for a roomy vanity, or double vanity. i. a minimum clear width of 900mm between the walls of the bathroom if located in a separate room; and ii. If the toilet is located within the ground (or entry) level bathroom, the toilet pan should be â¦ See figures 9, 9a and 9b. b. Recommended: 76 inches wide (20 inches from centerline to wall) and 36 inches between centerlines of sinks. 3.Get technical Bathroom fixture disposition in the space. The distance that electrical outlets (GPOs) can be from a sink is determined by how much water it can contain. Posh bathroom Standard bathroom â¦ Hereâs a tip: Bathroom floor plans tend to fall into one, two or three wet-wall layouts. Minimum: 60 inches wide (15 inches from centerline of sink to wall) and 30 inches between centerlines of two sinks. The back wall clearance, which is the distance to the finished back wall, is usually 12 inches, but it can also be 10 or 14 inches, depending in the toilet. If mounted on the wall, the toilet roll holder will need several inches of extra space, as well. According to the Building Code of Australia (BCA), there are a few bathroom ventilation aspects you need to be aware of. If you're one of my UK readers where there's no regulations (not sure about other places) a smaller arrangement is possible if you use a high wall mounted tank (dotted line) or space saving toilet. For fixed water containers anywhere outside of the bathroom, there are two zones defined: Half bathroom dimensions (toilet and corner sink, pocket door) 5ft x 3ft (1.5m x 0.9m). This is the most cost-effective design, but itâs also the most limiting. These have a minimum size requirement -- at least 5% of the floor space of the room.