| Year | Title | Role | Notes |
| Unknown | L!VE TV | Co-presenter | |
| Unknown | This Morning | Roving reporter | |
| Unknown | Holiday | Co-presenter | |
| 1996 | Pajama Party | with Katie Puckrick and Michelle Kelly |
| 1997 | Tricky | Presenter | |
| Talking Telephone Numbers | Co-presenter | with Phillip Schofield |
| 1998 | God's Gift | Presenter | Series 2 |
| 2001 | Fanorama | |
| 2002–2004 | Liquid News | |
| 2003–2005, 2007 | Comic Relief Does Fame Academy | Co-presenter | BBC Three coverage (2003–2005) BBC One main show (2007) |
| 2004–2010 | Strictly Come Dancing: It Takes Two | Presenter | 7 series; spin-off series |
| 2004 | HeadJam | Team captain | |
| Three's A Crowd | Presenter | |
| 2005–2007 | The House of Tiny Tearaways | 4 series |
| 2007–2008 | Eurovision Dance Contest | Co-presenter | with Graham Norton |
| 2008 | Eurovision: Your Decision | with Sir Terry Wogan |
| Glamour Girls | Narrator | |
| 2009–2015 | Comic Relief | Co-presenter | |
| 2009 | Hell's Kitchen | Presenter | 1 series |
| 2010–2018 | Sport Relief | Co-presenter | |
| 2010–2016 | Film... | |
| 2010–2025 | Strictly Come Dancing | Results shows only (2010–2013) Main co–host (2014–2025) |
| 2013–2016 | The Great British Sewing Bee | Presenter | 4 series |
| 2016 | Bublé at the BBC | One-off special |
| 2017 | The Year in Music 2017 | Co-presenter | with Clara Amfo |
| 2018–2021 | Britain's Best Home Cook | Presenter | 3 series |
| 2018 | The Biggest Weekend | Co-presenter | |
| 2019 | Icons: The Greatest Person of the 20th Century | with Nick Robinson |
| 2020 | One World: Together at Home | with Dermot O'Leary and Clara Amfo |
| 2022 | Taskmaster | Contestant | 1 episode |
| 2022–2025 | One Question | Presenter | 2 series |
| 2022–present | The Traitors | 3 series; 1 upcoming |
| 2023–present | The Piano | 3 series |
| 2025–present | The Celebrity Traitors | 1 series |
| 2026 | The Claudia Winkleman Show | Upcoming |
