"Hanging space" typically refers to the available area or storage specifically designed for hanging clothes. It is usually used to describe a designated section in a closet or a storage unit where clothes can be hung on hangers. Full definition
A built - in bench has a removable seat which provides storage and a working platform, while a wooden rack doubles as hanging space for accessories or laundry. (idealhome.co.uk)
There are king sized beds and twin beds and each suite has a separate en suite bathroom, which includes ample dressing areas and plenty of hanging space. (lakotour.com)
Instead of a wardrobe there is hanging space with shelving behind a curtain. (thetravelmagazine.net)