Is there a Nickelodeon studio in London?

Yes, there is a Nickelodeon studio in London. The Nickelodeon London Production House is located in Camden, London, United Kingdom. It is a production facility owned and operated by Nickelodeon International, a subsidiary of Paramount Global. The studio produces a variety of content for Nickelodeon's channels in the United Kingdom and around the world, including live-action series, animated series, and game shows.