location_city Battlesbridge Showground, Essex
Undercover Festival is an alternative music previously festival based in Guildford, but relocated to Battlesbridge as of 2025, featuring various punk, reggae and post-punk styles.
The 2025 line-up is to be announced. The twelfth edition in 2024 included Subhumans, Vapors, Dirt Box Disco, The Cundeez, Rage DC, Splodgenessabounds, Menace, King Salami, Wyrd Sisters, Red Anger, Night of Treason and more