I wouldn't move myself without asking for permission first, but I can see why people may want to do it. However if they do I think they have to move it back before moving out.
Taffy, before renting, can you ask HOW they want to have it (separate or together) and re-arrange yourself?
"Life isn't about waiting for the storm to pass: it's about learning to dance in the rain..."
"When we are no longer able to change a situation - we are challenged to change ourselves."
"How people treat you is their karma; how you react is yours."