According to Sky
"Is bin man Robbie Jackson about to return to Albert Square? Apparently he is, but it won't be in the form of Dean Gaffney who played the hapless character for ten years. His sister Sonia, played by Natalie Cassidy, is still there and there are plans to bring Robbie back but with a younger and hunkier actor. Dean told me that he's "more than upset with this decision".