There are no application, exit or chaps fees on the mortgage, while early repayment charges are expected to apply for the first three years.
It also allows borrowers flexibility in how they pay back the loan, with consumers able to make overpayments, underpayments and also take a payment holiday.
John Barker, head of mortgages at the Co-operative Bank, said: "In the current economic climate, this new mortgage rewards our current account customers with a market leading rate and the added benefit of no application fees."
The launch of the new product has come after the principal consultant of banking for research company Defaqto stated that speed is "of the essence" in the mortgage market.
David Black stated that the best products in the sector are not "staying on the shelf for very long".
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