Aston won 13 consecutive Women's Singles titles at the Welsh National Badminton Championships between 1992 and 2004, as well as six Women's Doubles and 4 Mixed Doubles titles. In 1998, she received a gold medal representing Wales at the Commonwealth Games, won silver at the 1998 European Badminton Championships, and bronze at the 2000 European Badminton Championships. She also represented Great Britain at the 1996, 2000 and 2004 Olympic Games.
In 1999, Aston was voted Welsh Woman of the Year, and in 2002 she was awarded the MBE in the Queen's Jubilee Birthday Honours List for "services to the community, especially through Sport, in South Wales".
Aston was born in Pontypridd and attended Bryn Celynnog Comprehensive School. She married her husband, Dylan Aston, in 2002, and has two children, Ethan and Ellen. As of December 2015 is a Teacher at the GEMS Wellington Academy-Al Khail in Dubai. She has also been heavily involved in charity work, particularly relating to Down's Syndrome, and was the patron of the Down's Syndrome Association of Wales.
