Greggs – St Sampsons Square, York – Opening Hours & Store Details Greggs is located conveniently at 15 Street Sampsons Square, about a 0.23 mile distance east of the centre of York (nearby Stonebow Bus Stop). The store is an outstanding addition to the local businesses of York City Centre, Layerthorpe, Bishophill, The Brickworks, Picadilly Plaza, Heslington and The Old Fire Station. Hours of operation are from 7:30 am until 5:30 pm today (Friday). This page will provide you with all the information you need on Greggs St Sampsons Square, York, including the business hours, address description, customer rating and more info.