The store is part of a new development that also includes a Premier Inn and the restoration of a number of historic buildings in Pitt Street which were given to the National Trust for Jersey by the Co-op.
One of the highlights of the regeneration project is the new Pitt Street art installation called The River of Light.
Chris Clifford, public art consultant, who worked on it, said: ‘The River of Light is a major public art installation and is designed in such a way as to suggest the movement of water, which at one time would have flowed through Charing Cross as a stream known as Le Grand Douet.
‘The text inscriptions carved into the surface paving tell the story of St Helier’s development over the last 1,000 years.’
Colin Macleod, chief executive officer of the Co-op, said: ‘The regeneration of Charing Cross is the largest development project we have ever undertaken and it breathes new life into an important part of St Helier.
‘I am personally delighted that this scheme has come to fruition.’