...Freehold _Development site: For sale_ _77 marygate, Berwick-upon-tweed, northumberland, TD15 1BA_ __ __ ...commuter town _Location_ __ The town of Berwick-Upon-Tweed has a population of approximately 12,000 people and ...catchment of over 3 million people within one hours’ drive. Berwick is approximately 56 Miles from Edinburgh and 65 miles from Newcastle,