[4] Wraw's nomination to become the suffragan Bishop of Bradwell was announced on 26 July 2011, in succession to Laurie Green who resigned on 28 February 2011.

[4] On 25 January 2012, he was consecrated a bishop by Rowan Williams, the then Archbishop of Canterbury, during a service at St Paul's Cathedral in London.

[10] Wraw married Gillian in 1981 and they had four children;[2] his interests included the theatre and walking, and he was also a crew member in the 2009–2010 Clipper Round the World Yacht Race.

[4] In June 2014, Wraw announced that he had been diagnosed with Multiple Myeloma and was about to undergo intense chemotherapy treatments.

[12] Almost a year after his diagnosis, Wraw announced that his myeloma was in remission after he underwent a stem cell transplant, and that he would be fully resuming his duties as bishop.