B&M – St Austell – Opening Hours & Store Details You may visit B&M Home Store with Garden Centre on Southbourne Road, a 0.52 mile distance south-east from the centre of St Austell (by Asda). This discount store primarily provides service to patrons from the districts of Tregrehan Mills, Charlestown, Tregorrick, St Austell, Silvermine Valley, Carlyon Bay, St.austell and London Apprentice. Here you can find hours of business, local directions and customer experience for B&M St Austell.