on Tees Cleveland TS19 8SN Phone: 0845 83 82 823 Mob:   07745 713 786 Web: www.stockton-plumber.co.uk More Information Stockton-on-Tees  is a market town in  North East   England . It is the major settlement in the unitary authority area and  borough of Stockton-on-Tees . For  ceremonial  purposes, the borough is split