Greggs – Foss Islands Retail Park, York – Opening Hours & Store Details You can find Greggs in Foss Islands Retail Park on Foss Islands Road, a 0.67 mile distance east of the centre of York (near St Nicholas Fields). This store serves customers principally from the neighborhoods of Heworth, Fishergate, The Brickworks, Bishophill, Tang Hall, Foss Islands, Layerthorpe and York City Centre. Today (Friday), business times begin at 6:30 am and end at 8:30 pm. Refer to this page for information about Greggs Foss Islands Retail Park, York, including the working hours, place of business info, email address and more.