40. Allpress Espresso

"The kiwis know their coffee, but they could teach us a thing or two about sandwiches too," says Joanna. "Exquisite sourdough sandwiches tower behind the counter. Delicious."

Where: 58 Redchurch St, Shoreditch, E2 7DP (0207 749 1780; allpressespresso.com)

How much: from £4 for a cheese and chive sandwich