William and Kate’s big day means big business for the makers of wedding memorabilia, from china mugs and tea towels to novelty cakes and king-sized condoms. We go behind the scenes to meet our commemorative merchandisers – and Britain’s most avid collector The Kirkgate Business Centre in Wakefield, West Yorkshire, is not the kind of place you would automatically associate with the royal wedding. Situated off a busy main road, it consists of a series of looping dirt pathways, each one lined with vast, windowless warehouses advertising bathroom tiles or building supplies. Behind the metal-pronged gates, a