Norwich also records the site of an Anglo-Saxon church in Tombland, the site of the Saxon market place and the later Norman cathedral. Norwich continued to be a major centre for trade, the River Wensum being a convenient export route to the River Yare and Great Yarmouth, which served as the port for Norwich. Quern stones and other artefacts from Scandinavia and the Rhineland have been found during excavations in Norwich city centre. These date from the 11th century onwards. Norwich Castle was founded soon after the Norman Conquest. The Domesday Book records that 98 Saxon homes were demolished to make
Norwich City Council upper tier is Norfolk County Council, which manages strategic services such as schools, social services and libraries across the county of Norfolk. The lower tier is Norwich City Council, which manages local services such as housing, planning, leisure and tourism. In 2010 it was proposed to convert Norwich to a unitary authority, but this was blocked by the coalition government in 2010. The current composition, as of the 3 May 2018 City Council elections, is: In February 2010 the strength of parties on the council was: Labour Party 15, Green Party 13, Liberal Democrats 6 and Conservatives 5. The Labour