B&M – Plympton, Plymouth – Opening Hours & Store Details Visit your local B&M Store branch on Coypool Road, approximately 3.03 miles north-east from the centre of Plymouth, in Plympton (nearby Marsh Mills station). The store serves patrons mainly from the neighborhoods of Plympton Central, Underwood, Deer Park, Merafield, Plympton, Woodford, Efford and Leigham. This page will supply you with all the information you need on B&M Plympton, Plymouth, including the opening hours, location description, customer rating and other info.