A report from Ofsted came out last week reviewing the first two years of the new inspection framework. 

https://www.gov.uk/government/publications/area-send-framework-findings-from-the-first-2-years-of-inspections

A review of the process was also carried out:https://www.gov.uk/government/news/improving-the-way-services-for-young-people-with-send-are-inspected?