It depends on where this loan is coming from, when the IVA started and whether you have your completion certificate yet. If it is a student loan there should be no problem. Otherwise you will find it difficult to pass any credit checks if the IVA is still on your credit files, which it will be for at least 6 years from the start date and until the completion certificate has also been issued.
My opinions are merely that .. opinions based on experience. Always seek professional advice.
IVA Completed 23rd July 2013 .... C.C. 10th January 2014
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