The Duke and Duchess of Cambridge arrive at the Centrepoint unit in Camberwell, south London. PRESS ASSOCIATION Photo. Picture date: Wednesday December 21, 2011. William and Kate will join in a cookery class with former homeless youngsters this evening as they visit a Centrepoint unit. The Duke has been the patron of Centrepoint, a charity that supports homeless young people in the UK, since 2005. See PA story ROYAL Cambridge. Photo credit should read: Lewis Whyld/PA Wire