Annette und Daniela Felder, fashion designer At Shoreditch House in East London in the cosy back room with a glass of red wine or in the Spa area. Members only.
Hermann Hesse's Steppenwolf.
Don't go sightseeing. You'll learn much more about the city if you mingle with the locals. Go to markets, pubs, clubs and exhibitions.
German bread (not kidding).
The punks in Camden Town.
The German restaurant (actually it's Austrian) 'Tiroler Hut' on Westbourne Grove in Notting Hill. It's scary.
Browns Focus on South Molton Street, where you find the newest things. Felder Felder is stocked there as well.