Retail sale or display of goods for sale other than hot food, including retail warehouses, hairdressers, undertakers, travel and ticket agencies, post offices (but not sorting offices), pet shops, sandwich bars and other cold food for consumption off the premises, showrooms, domestic hire shops, dry cleaners, funeral directors and internet cafes, in all cases where the sale, display or services is to visiting members of the public. The changes that are permitted to A1 plus a single flat above.