Granting a loan/mortgage credit generates various costs:
Registration fees which is a tax.
Credit opening. This is a tax paid to the State by the Notary when registering the deed for the conservation of mortgages.
Notary fees (rates are set by law).
Real estate expertise (varies depending on the credit organization).
Bank application fees (vary depending on the credit organization and the capital borrowed).
Miscellaneous costs (search costs, stamps, etc.).
These fees vary depending on the amount of your loan.