Greggs – Shirley, High Street – Opening Hours & Store Details Greggs is proud to be located at 45 High Street, about a 104.20 mile distance south of the centre of Shirley (by Church Street Bus Stop). The store is pleased to provide service to customers within the areas of Selby Place, Southampton, Thorner Homes, Southampton Central, Redbridge, Shirley Town Centre and Millbrook. 6:30 am until 8:30 pm are its open hours today (Friday). Hours of business, directions or phone info for Greggs Shirley, High Street can be found on this page.