 In May 2006, Kober was elected as a councillor for the London Borough of Haringey.Kober was selected as Labour's Council candidate for Muswell Hill in 2002 and 2004 and after two defeats she was elected to represent the Seven Sisters ward in south Tottenham on 4 May 2006.In November 2008, having served as Labour's Chief Whip, she was elected Leader of the Council in succession to Cllr George Meehan, who resigned following the death of Baby P. On 8 June 2010, Kober was appointed by Hackney Mayor Jules Pipe as Deputy Chair of London Councils, the body which represents the interests of the 32 London Borough Councils.