Some big changes coming, as we re-plan our studio facilities...
While compact, our existing studio (about 5.5m by 4.5m), coupled with an additional space we hijack above the studio we use for prep/food/changing/makeup is a great size for most shoots, but can be a little impractical in places.
So now we have plans afoot to move our studio to a bigger space (about 5.5m by 10m), that coupled with a massive bathroom will give us something even more flexible. There's a lot more natural light as well for high light-temp shoots (still need blackouts for lower light-temp shoots, though we can always use a stack of gels).
Being in the same type of building they both have really high ceilings (circa 3.5m), and good solid walls to bolt stuff too...
Another upside, is having more space to store props and wardrobe, an integral food prep area that is not in the way, plenty of space for more workstations, more storage racks and perhaps a space for a sofa and coffee table...
The major downside of course, is having to actually move stuff...