I think it's very unlikely that B2 will get shut, where is that coming from all of a sudden?
First: I believe both Barça-apts are very important to RLC, going by the posts here and on RLCF, they are the most watched apts, or at least the most discussed.
Second: If they were in the process of moving B&R to B1, wouldn't B1 be UM as well? And why bother moving Belle to the big room if they plan on relocating her soon?