Born in Dinas Powys, Lucy attended Howell’s School in Llandaff. After studying English at Royal Holloway, University of London, she began her career in broadcast journalism with the BBC's Welsh radio network.
Lucy is now the established face of Welsh TV news and has been for well over twenty years. She began her broadcasting career at BBC Radio Wales as a researcher, and later progressed to a reporting role. She then moved on to co-presenting for a features programme. She joined HTV Wales in 1995 as a newsreader for regional opt-outs during GMTV, and between 1996 and 2007, she co-presented Wales Tonight, the regional news programme on ITV Wales, broadcast from Cardiff.