Due to the 2012 Olympics, the U.S. Embassy in London will have longer hours of service for U.S. citizens from Friday, July 27 through Tuesday, August 14. Public hours will be from 7:30 am until 7:00 pm Monday through Friday.
Appointments are required for routine services such as passports or birth registration services. U.S. citizens needing emergency assistance, including for a lost or stolen passport, should call the main Embassy number 0207-499-9000, and ask to speak with the American Citizens Services section.
Visa applicants are experience temporary delays during the games, but normal processing will resume at the close of the games.