In 2007, Condou gained wider recognition when he took the role of sonographer Marcus Dent in the soap opera Coronation Street, which he remained until 2014.

Condou has used his fame as a platform to promote LGBT rights, becoming a patron for charities and being an advocate for same-sex parenting.

Condou's acting career began in the 1985 American television movie, The Key to Rebecca as Billy Vandam, the young son of the main character, William, played by Cliff Robertson.

[4] He continued in his twenties, playing a variety of roles in series like Martin Chuzzlewit, Pie in the Sky, The Bill, Peak Practice, Urban Gothic, The Infinite Worlds of H. G. Wells and Midsomer Murders.

In 2007, Condou joined the cast of the British soap opera Coronation Street, playing Marcus Dent.

[16] In 2019, Condou joined the cast of Holby City in a guest role, playing doctor Ben Sherwood.

[18] He lives in Islington with his husband and his children,[19] Georgia and Hal, who split their time between him and their mother, the actress Catherine Kanter.

[18][20] In a number of interviews, Condou has revealed that the children were conceived through IVF treatment, following Kanter's fortieth birthday and relationship breakup.

[25] In 2016, Condou wrote the introduction for Eric Rosswood's Journey to Same-Sex Parenthood: Firsthand Advice, Tips and Stories from Lesbian and Gay Couples.

[35] In August 2014, Condou was one of 200 public figures who were signatories to a letter to The Guardian opposing Scottish independence in the run-up to September's referendum on that issue.