What is the best university in UK for theoretical physics?

Ladies and Gentlemen, If you plan to make a responsible step in your life and want to choose the only university that fit your life plans and goals, and if you dream to devote your life to caring for...

Cambridge University (All hail the children of Newton!)

Barts and the London-University of London Oldest hospital in Europe founded in the 12th century (Barts) and The London has the oldest medical school in England (founded in the early 18th century)

oxford

According to the TImes higher education supplement top 200 list, Oxford is the best in UK, followed by Cambridge.