There should be a final review where they will concentrate on the income for those last 12 months (spending is now irrelevant, unless you are going into an equity release extension). They will also runa another eye over previous reviews, but you won't be involved in that.
My opinions are merely that .. opinions based on experience. Always seek professional advice.
IVA Completed 23rd July 2013 .... C.C. 10th January 2014 http://foggy.blogs.iva.co.uk