I thank the noble Baroness for that. If I have one minute when I finish my prepared speech, I will try to touch on the CPI.

With regard to further reporting after what I have just described, I am not convinced that it would be appropriate to commit to an annual report on these reforms when so many other welfare changes will be made, as the noble Baroness has pointed out-not least, the introduction of the universal credit. I suggest that we ask the authors of the independent review to recommend whether they think that a follow-up evaluation will be necessary. As I said, I am happy to commit to the independent review that I have described.

Before I close on the CPI, I should point out that it is designed to bear down and we are locked into it for the years 2013-14 and 2014-15. Thereafter it is up to the Government to decide whether rates using that methodology go out of kilter.

These changes are important. We have put in a lot of transitional support along with a comprehensive programme of practical support to help local authorities implement these measures so that we can finally reform housing benefit and make it fit for purpose. There is no doubt that these statutory instruments are sensible and proportionate. They must go ahead and I commend them to the House.