Yes, I beieve it would. The object of the exercise with an IVA is to pay back as much to the creditors as you can. If you pay half of what you owe them in an IVA, you will be expected to release equity in order to pay as much as you can of the other half.
Sharing from experiences of dealing with debt
The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.
Bob Marley. http://kallis3.blogs.iva.co.uk