His first experience of radio broadcasting came at Radio Moorfields, the hospital station at Moorfields Eye Hospital in London, which broadcast from 1974 until 2006. From there he joined the first in-store radio station, Radio Topshop, at Topshop's store on Oxford Circus in London. In the 80s, Warren had a number of years presenting shows on Metro Radio, covering the north-east of England. Following this, he presented Children's ITV's summer mornings service in 1989 and 1990 and occasionally in the afternoons too, alongside fellow presenters Jeanne Downs, Nick Owen and Scally the Dog. Then he became a DJ again at London's Capital FM, where he presented a Saturday night show from 10pm to 2am as well as covering other shows. Then, he presented the early weekend morning show from 4am to6:30am for a few years and also the weekday overnight slots from 1 to 5am.
He joined BBC Radio 1 in November 1994, presenting the Weekend Breakfast Show. In October 1995, Clive became Chris Evans' warmup presenter as he took over the Weekday Early Breakfast show from 46:30am. Following on from Chris Moyles joining Radio 1 in July 1997, Clive took over the weekday overnight slot from 1 to 4am, which became 24am from October 1998, but only 3 days a week. Also during this period, Clive took over Early Breakfast on Saturdays from 4am to 7am. He left Radio 1 in September 2000. While at Radio 1 he gave the first UK radio play to "Free as a Bird", the first single released by The Beatles for 25 years, and also deputised for Mark Goodier on the Top 40 show on several occasions.
In October 2000, Clive joined Virgin Radio, presenting a Sunday afternoon show from 1 to 4pm and in January 2001, he took over the Weekday late-night slot from Gary Davies, from 10pm to 1am. He left Virgin in January 2002 and returned to Capital FM presenting occasional overnight slots.
In early 2003, Clive joined Real Radio Wales, where he presented the afternoon show and in March 2004, he joined London's 102.2 Jazz FM, presenting a Saturday morning show from 10am to 2pm and the Weekday late night show from 9pm to midnight. He remained there until October 2004.
In early 2005, Clive joined London's Heart 106.2 as a stand in presenter, before taking over the Sunday mid-morning show from 9am to noon. In addition to that, in early 2006, he also joined Reading 107, as a presenter of their weekday drivetime show from 2 to 6pm. He remained here until late 2006.
Century and Heart
Clive then worked at 105.4 Century Radio in Manchester as the afternoon host. He broadcast the show every weekday from 1 to 4pm and also presented a Sunday show from 1pm to 4pm. Clive left Century Radio in December 2008. Clive also covered Heart Sussex Drivetime in 2009.
On 14 December 2009 he replaced Mark Thorburn on the Bauer Radio owned Metro Radio in Newcastle upon Tyne, presenting weekday mid-mornings until Tuesday 5 June 2012, then he continued to present Sunday mid-mornings until 7 April 2013. He also relief presented on the Magic network. From mid April 2013 he spent the following eleven months presenting across Bauer Radio's Yorkshire stations, based at Radio Aire in Leeds, and networked with Hallam FM and Viking FM. He presented the Late 'n' Live show Sunday-Thursday from 10pm to 1am, as well as providing cover from other presenters on these stations.
Smooth Radio
From 24 March 2014 he presented The Smooth Drive Home for Smooth North East based in Newcastle. He could originally be heard weekdays from 4pm till 8pm and Saturdays from 2pm to 6pm. However, from 2015, his weekday drivetime show had gone out to 4pm7pm. He left the Communicorp owned station on 30 August 2019.
