In 1998, Liz's film Sudden Death won the RTS award for best documentary series. In 2003, the Blood of the Vikings series in which she made two of the programmes was nominated for a RTS award, her first film in the series won the Palmares Award 2004. It also won a Certificate of Merit at the San Franciso Film Festival. A year later, her film Archimedes’ Secret won the Glaxo/ABSW Science Writer’s Award for best science documentary. It also won a BAFTA for best documentary series.
In 2005, she was again shortlisted for the Glaxo/ABSW Science Writers’ Award for best science documentary.