What type of door typically does not require additional space to swing open?

A pocket door is designed to slide into a compartment within the wall, which allows it to effectively conserve space since it does not swing open outward or inward. This unique mechanism makes pocket doors an excellent choice in tight spaces or areas where usable space needs to be maximized, such as in small rooms or hallways. Because they disappear into the wall, they eliminate the requirement for clearance that swinging doors need, providing a stylish and functional solution for separating spaces without encroaching on usable floor space.

Other options like double doors, sliding doors, and swing doors either require additional space to open or function differently, making them less efficient in tight areas compared to pocket doors.