B&M – Northfield, Birmingham – Opening Hours & Store Details You may visit B&M Store at 804 – 814 Bristol Road South, approximately a 6.02 mile drive south-west of the centre of Birmingham, in Northfield (a few minutes walk from Lockwood Rd / Bristol Rd). This discount store essentially serves the people in the locales of Warley, Turves Green, Frankley, King’s Norton, Longbridge, Stirchley and Northfield. This page includes business hours, store address and contact info for B&M Northfield, Birmingham.