Our proposals will help to ensure that expenditure on personal independence payment is sustainable and focused on those most in need of support. A more objective assessment will improve consistency in decisions and through regular reviews ensure that awards remain correct. The department published an impact assessment with the Welfare Reform Bill which included estimated savings to the exchequer. This can be found at: http://www.dwp.gov.uk/docs/dla-reform-wr2011-ia.pdf. We intend to update this following Royal Assent of the Welfare Reform Bill.