Terry Wogan announced he would not be returning as commentator , a role he has performed continuously since 1980 . He was succeeded in the role by Graham Norton , host of the Eurovision Dance Contest 2007 and 2008 . Paddy O'Connell and Sarah Cawood commentated during the two semi finals . The results of the UK televoting were announced by former Blue singer , Duncan James . At the end of voting , the UK received 173 points , placing it fifth The show received an average of 7.8 million viewers , which is a 35.3 % share of the UK TV audience
Eurovision Dance Contest 2007
Eurovision Dance Contest 2007
United Kingdom in the Eurovision Song Contest 2009