Harleen has lived in Heston most of her life and has been a Councillor for Heston Central since 2014. She runs a recruitment agency with her husband based in Hounslow and served as a Governor to Cranford Junior School for three years.

Since being elected as a Councillor Harleen has been chair for Heston and Cranford Area forum, which has enabled her to interact with local residents and get them more involved in local issues around the Borough, often working with Hounslow Highways and the local police. In Heston Central she regularly holds meetings with residents to hear their problems and provide help. Harleen has been of particular service to the ward through being a trusted frequent point of contact for women especially who feel comfortable speaking to her, often utilising her multilingual skills.