There would also be a 500-space car park and a new bus station.
The Victoria Gate development, formerly known as Eastgate Quarters, is to include a flagship John Lewis store, restaurants and an 800-space car park.
Lee Henry, from the Jersey Development Company, said it would take a decade to transform the 520 space car park into a finance hub.
The States of Jersey Development Company wants to turn the 520 space Esplanade car park into a finance hub.
In August 2012, an excavation began in a city council car park - the only open space remaining in the likely area - which quickly identified buildings connected to the church.
There's no land, no space for a car park as it's a tiny village of 350 people.
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Officials admitted the 400-space Havelock Street car park could not cope with demand, especially since a nearby private car park had temporarily closed.
It was particularly harsh on the vanity and stupidity of executive leaders, and it argued that a wide range of the perks of the leader's job should be abolished from the reserved space in the corporate car park, for instance, to the corporate jet and the company shrink.
There would also be 600 car park spaces and the nearby Brewery Fields green space would have its facilities upgraded.
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Asda have introduced a loud speaker system called Space Hog around its disabled car park paces which goes off whenever someone parks in one of these spots.
The 120-space St Clement's Car Park in Oxford will remain open during the work but will operate with a reduced number of spaces, ranging from 14 to 69.
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The mezzanine and food court will be created in the air space above the current station car park, while that car park will be replaced with a multi-storey parking facility.
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The new building contains a 65-vehicle automated lot, a 24-unit apartment building and ground floor retail in a space that once housed a 100-vehicle car park.
In 2008, plans for the North Place and Portland Street car park sites included a new library, flats, homes and retail space.
However, Tooru Futami, engineering director at electronics engineering development division at Nissan, told Forbes that the car was not yet able to self-drive down the street or park itself in any space.
In more than a third of car parks belonging to Tesco, Asda, Safeway and Sainsbury disabled people could not park in a designated space because these were occupied by non-badgeholders.
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