Vauxhall was a London district. Leighton Woodrow was called to a meeting at an MI6 base in Vauxhall Cross in this district, after an emergency required his presence. Once there, Chaplin briefed him on recent events, including a sighting of the Eighth Doctor.
North took the Doctor to Vauxhall Cross after he was injured. There the Doctor awoke in good health and made use of the chemistry lab. (COMIC: The Flood)