Sainsbury’s – Devizes – Opening Hours & Store Details Sainsbury’s Superstore occupies a location at 3 Monday Market Street, approximately a 0.27 mile drive north-east from the centre of Devizes (near Large Green Park and St Mary’s Church). The store chiefly serves the people in the locales of Hartmoor, Little Coate, Roundway, Rowdefield, Devizes Town Centre and Potterne. Today’s open hours (Friday) are from 7:00 am – 8:00 pm. Please note the various sections on this page for specifics on Sainsbury’s Devizes, including the hours of business, store address info, customer experience and other information.