Clarks – Beckton, London – Opening Hours & Store Details Clarks occupies a convenient place in Gallions Reach Shopping Park situated at 3 Armada Way, a 9.01 mile distance east from the centre of London, in Beckton (a few minutes walk from Gallions Reach Shopping Park Bus Stop). This store principally provides service to patrons from the districts of East Ham, Barking, Barking Riverside, Thames View, Beckton, Cyprus, North Woolwich and Thamesmead. If you plan to drop in today (Friday), it is open 10:00 am to 8:00 pm. This page includes information for Clarks Beckton, London, including the operating hours, location details and customer rating.