Your IVA will remain on your credit record for six years from the start even if you are finishing early.
There are two mortgage experts that post on here, Shaun and Ryan (details on the left hand side of the page under the expert section) and they may be ale to help you.
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