B&M – St James Retail Park, Northampton – Opening Hours & Store Details B&M Store, which occupies a prime spot in Nene Valley Retail Park, is located on Towcester Road, 0.60 miles south of the centre of Northampton, in St James (a few minutes walk from Waterside Development Area). The store is happy to provide service to patrons within the districts of Hunsbury Hill, Semilong, Spencer, Kingsthorpe Hollow, Dallington, Phippsville, St James’ End and Northampton Town Centre. Here you may find the specifics for B&M St James Retail Park, Northampton, including the hours of business, location details, telephone number and more relevant information.