Greggs – Crystal Peaks, Sheffield – Opening Hours & Store Details Greggs is prominently situated in Crystal Peaks Shopping Mall and Retail Park on West Mall, approximately a 5.57 mile drive south-east from the centre of Sheffield (not far from Crystal Peaks Station). This store serves the patrons of Woodhouse, Beighton, Sothall, Beighton / Drake House Lane, Crystal Peaks, Waterthorpe, Westfield and Owlthorpe. Today (Friday), you can stop by 7:00 am to 6:00 pm. On this page you will find all the information about Greggs Crystal Peaks, Sheffield, including the hours of operation, local navigation and telephone info.