Illustration in blue and yellow with black lineart with a man pressing forehead on a desk while a large disembodied hand holds a coin over his head. coworking Virtual Office Income: The £30k Illusion That Costs More Than Cash Virtual offices. They dangle the promise of easy income. Especially for London’s independent coworking spaces feeling the squeeze. You do the maths: Fifty clients, each chipping in a neat £50 a month. Bingo. That’s £30,000 a year. Seemingly for nothing more than letting folks use your address and handling a bit of post. Sounds like a dream, right? A simple, no-sweat way to beef up the bank balance using something you’ve already got – your postcode. But here’s the rub. And it’s a big one.