Depot in the Castle 2026 full line-up, stage times, and strict rule for festivalgoers

What's OnMusic & NightlifeCardiff CastleThe day-long event is back08:44, 25 Jul 2026This article contains affiliate links, we will receive a commission on any sales we generate from it. Learn moreDepot in the Castle returns to Cardiff Castle on Saturday, July 25. Having launched in 2018 the music festival has welcomed some legendary acts to the Welsh capital including Craig David, Kaiser Chiefs and, more recently, Jess Glynne, who performed a sold-out show in 2025.The event showcases live music, street food and entertainment. Headlining this year's bill is indie rock band The Wombats and the recently reunited Sugababes. Thousands of festivalgoers are once again expected to pack out the castle for what promises to be another spectacular occasion.The organisers have also stated that those at