In 2006 Susan was proud to be elected as a Harrow Councillor to represent the ward of Hatch End where she has lived for the past 38 years. She was Leader of the Council for a period of time and Leader of the Opposition for over 7 years. Susan stood down as Leader of the Conservatives in order to take up her position on the GLA in 2017.
Susan was the Leader of the GLA Conservatives from 2019 to 2023. More information on her role in the London Assembly can be found here.
In 2023, Susan was chosen as the Conservative Candidate to take on Sadiq Khan for the Mayor of London in the 2024 Mayoral Election. Despite running a strong campaign, Sadiq Khan was unfortunately return as Mayor of London, but Susan did notably increase the Conservative vote in Brent & Harrow.