• The distance from the centerline of the lavatory to the side wall/tall obstacle should be at least 20 inches (508 mm).
• The minimum distance between a wall and the edge of a freestanding or wall-hung lavatory is 4 inches (102 mm).
• The minimum distance from the centerline of the lavatory to a wall is 15 inches (381 mm).
• (IRC P2705)
ICC A117.1-2009 Reference
• To assure a clear floor space (30 inches by 48 inches) (762 mm by 1219 mm) the lavatory must be a minimum 24 inches (610 mm) from the wall.
• (A117.1, 1004.11.3)