You will have to make sure the RX1 has been removed by the IP from Land Registry. No reason why it can't though.
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
As long as you have your certificate of completion it should be ok. The IP usually lifts the restriction at the same time -- if he hasn't it can be easily dealt with when it comes up in searches.
My opinions are merely that .. opinions based on experience. Always seek professional advice.
IVA Completed 23rd July 2013 .... C.C. 10th January 2014