Just over a year ago I commented on the fact that several bodies in the housing market refused to give their predictions
http://www.noelwatson.com/blog/CommentView,guid,87934429-905b-4f5e-8b88-8a876b6a3fbc.aspx
As it turns out, they were all wrong, with both Halifax and Nationwide showing gains YOY.

Whether this will continue when/if QE is withdrawn and interest rates rise remains to be seen.