Behind an unprepossessing corrugated iron door on a non-descript Sheffield industrial estate, exciting things are happening.

Because through that door, across the warehouse floor and up the stairs you’ll find the most thrilling, fastest-rising rock band on the planet. This is the HQ of Dropdead, the hugely successful clothing line owned by Bring Me The Horizon frontman Oli Sykes, and the de facto base of the band. As phonelines buzz and staff lug shipments of T-shirts around, the band slowly ...