Garrett has said that she is a traditional Labour voter and has always voted for Labour, but said that she feels let down by the party, in particular her local MP Meg Hillier, and that she does not think that the Labour Party care about people like her anymore.[3]
On 14 May 2015, it was announced that Garrett would be standing as Something New's candidate for Mayor of London in the 2016 London mayoral election.[4][5] She is standing on a platform of further devolution to London, electoral reform including votes at 16 and also reducing the privileges of the City of London Corporation.[6] However, on Monday 30 November 2015, it was announced via the Something New website that she had withdrawn as candidate.[7]