Colleges and universities across Britain offer inexpensive lodging in the student dorms when school is not in session
Oxford student housing and dorms where tourists can stay
How tourists can stay in cheap university housing in the U.K.
The Queen doesn't need a passport. Since all British passports are issued "In the name of Her Majesty," the Queen can just vouch for herself—though her husband Philip, son Prince Charles, and everyone one else in the household do have passports.