She was awarded the 2021 American Geophysical Union Asahiko Taira International Scientific Ocean Drilling Research Prize.

[1] She returned to the United Kingdom in 2007, where she was appointed a postdoctoral researcher at Imperial College London.

[1][3] By studying the calcium carbonate veins that form in rocks beneath the seafloor, Coggon showed that the chemical composition of oceans varied considerably over geological time.

[4][5] In 2010, Coggon was awarded a Royal Society Dorothy Hodgkin Fellowship and she moved to the University of Southampton.

Coggon was awarded the Asahiko Taira International Scientific Ocean Drilling Research Prize in 2021.