Greggs – Dorchester – Opening Hours & Store Details Greggs is situated in an ideal position at 54 South Street, approximately a 0.31 mile distance north-east of the centre of Dorchester (not far from Bus Stop Trinity Street C2). This store is a beneficial addition to the districts of Fordington, Poundbury, Winterborne Came, Dorchester Town Centre, Stinsford, Dorchester West, Charminster and Dorchester South. Swing by today (Friday) from 7:00 am to 6:00 pm. On this page you can find all the information about Greggs Dorchester, including the hours of opening, location description, product ranges and further significant details.