...the east side of Sandgate a mixed-use area to the south of Berwick-upon-Tweed town centre. ... town centre. Berwick-upon-Tweed, Northumberland (population approximately 14,000, catchment ...international scheduled flights. Although a small town Berwick-upon-Tweed is regarded as the principal market town for north Northumberland ...which is vacant and has been unoccupied for some time. Berwick-upon-Tweed benefits from an active commercial harbor. The port can currently ...Edwin Thompson, Chartered Surveyors 44-48 Hide Hill Berwick-upon-Tweed TD15 1AB Tel. Fax. E-mail: /