Between 1995 and 1996, she worked as a presenter for Nickelodeon. In 1997, she moved on to present The Girlie Show. From 1998 to 2000, she featured on Channel 5's Karaoke quiz show, Night Fever. She has also presented on MTV, Live & Kicking and Top of the Pops. She was also a panellist on Loose Women in 2003. She has also co-presented the midweek and Saturday National Lottery programmes and was also a reporter on the Channel 4 show Richard & Judy. In addition to this, she presented an information video for Argos for staff training purposes.
In May 2006, it was while she was presenting the National Lottery Jet Set, alongside Eamonn Holmes that Fathers 4 Justice invaded the studio, she however carried on and later claimed it was her training on MTV which allowed her to 'ad-lib'. She won a Celebrity episode of The Weakest Link, beating cricketer Phil Tufnell in the final. In November 2006, she took part in the BBC's Celebrity Scissorhands for Children in Need.
She co-presented BBC Three's coverage of Comic Relief does Fame Academy. She also co-commentated on the semi-finals of the Eurovision Song Contest 2007, 2009 and 2010 alongside Paddy O'Connell for viewers in the United Kingdom on BBC Three. Additionally, she starred as the 'hidden' celebrity in an episode of the CBBC show Hider in the House.
She was a panellist on The Wright Stuff in 2007, and returned in early January 2010.
On 6 January 2014, Cawood joined Dave Taylor to present the breakfast show on Heart East Anglia from 6am til 10am.
She is 5' 1" tall and stood on a raised platform throughout a celebrity edition of Weakest Link in 2006. Cawood dated the Bluetones' guitarist Adam Devlin. She got married on 1 December 2012 to Andy Merry. She was a bridesmaid, along with Fearne Cotton, at Holly Willoughby's wedding.
In April 2012 Cawood gave birth her first child a baby boy.
She is a supporter of Arsenal