B&M – Willenhall – Opening Hours & Store Details Visit B&M Store in Keyway Retail Park on Armstrong Way, approximately a 0.72 mile distance south-east of the centre of Willenhall (not far from Owen Rd / Tesco). The store is located properly to serve those from the areas of Darlaston Green, Rough Hay, The Leys, Lunt, Willenhall Town Centre, Darlaston, Chapel Green and County Bridge. This page includes information on B&M Willenhall, including the operating times, address details or contact number.