Tyne and Wear County Council was the county council of the metropolitan county of Tyne and Wear in northeast England. It came into its powers on 1 April 1974 and was abolished on 1 April 1986. The county council was based at Sandyford House in Newcastle upon Tyne. It was replaced with five unitary authorities: Metropolitan Borough of Gateshead, Newcastle City Council, North Tyneside Council, South Tyneside Council and Sunderland City Council.