B&M – Southend-on-Sea – Opening Hours & Store Details B&M Store is found in an ideal space in Airport Retail Park on Rochford Rd, approximately a 1.54 mile driving distance north of the centre of Southend-on-Sea, in Rochford (nearby Southend Airport station). The store mainly serves people from the locales of Southend Airport, Stroud Green, Eastwood, Ashingdon, Ekco Park, Sutton, Rochford and Prittlewell. Here you’ll find the hours of business, street address or email info for B&M Southend-on-Sea.