Newcastle Street runs from Burslem town centre at the top (Market Place) to Longport and Davenport Street at the bottom.

From "A descriptive account of The Potteries (illustrated) 1893 advertising and trade journal. Page 56" we know that a Messrs. Stubbs and Hodgart, operated the Portland Tile Works, near Newcastle Street, Burslem

on the 1893 journal entry

149-151 Newcastle Street

view down Newcastle Street - Steelite Warehouse can be seen at the bottom 

more photos of Newcastle Street