Fenchurch Street station may be small, but it’s by no means quiet. Over 18 million people pass through the turnstiles here each year and are greeted by its hugely popular weekly market at the forecourt. Independent traders and food producers sell everything from falafel wraps and burgers to freshly baked goods. Set up a pitch here and you’ll be launching your idea on one of the most well-known roads in the City. Here, it’s all about big business.