Electric Ballroom, The Underworld and The Dev, Camden, London — 12 September 2026 Camden has never needed much encouragement to turn up the volume, but on Saturday 12 September, London MetalFest gave the capital’s most famous rock district something it had been missing: a proper multi-venue metal festival with the ambition and character of its European counterparts. Following Friday evening’s Metal Cruise along the Thames, the festival’s main day spread across the Electric Ba