Most new ventures don't begin with an office. They begin with a corner taken seriously.
A growing number of small businesses, freelance careers and side projects start in exactly this kind of space — not because it's glamorous, but because it's available, separate from the rest of the house, and finally makes room for something to be taken seriously.
Moving boxes on the floor, a laptop on a desk, a door that closes: often that's the whole difference between an idea staying an idea and an idea actually beginning.