Preedy originally joined YTV as a cameraman, later becoming a researcher, a promoter and a producer. He later joined the likes of Redvers Kyle, John Crosse and Graham Roberts as a continuity announcer in the late 80's . His duties were later expanded in 1996 when transmission for Tyne Tees Television was decamped to Leeds in 1996, followed by Granada Television in 1998 and Border Television circa 1999. Preedy was the last voice to make regional announcements for the Yorkshire, Granada, Tyne Tees and Border areas of ITV1 on 28 October 2002.
Bob Preedy formerly broadcast on BBC Radio London, Radio Tees, Pennine Radio, Radio Hallam and Radio Aire. He left Radio Aire in 1990 after creating the name of its new sister station, Magic 828 and returned a few years later to present a weekend show for Magic 828.
He was until July 2009, the head of Wetherby's Community Radio station Tempo FM, which began broadcasting in September 2006. Now living on Kent's south coast, his radio output includes shows & features on BBC Radio York, UKCountryRadio.com, Offshore Music Radio,and local station Academy FM. His net station, Juke Box Jivin' can be found on Radionomy.
Preedy has written 22 books including "Wetherby Revisited", "Radio 270: Life On The Ocean Waves", "Radio Caroline North: Rockin' and Rollin'"  and "Johnnie Walker: Cruisin' The Formats". He has recently completed a book about Battersea Fun Fair - inspired by his work in 2010 on the Dreamland, Margate project.