A report was commissioned to review the Building Regulations Approval process and fire safety laws after the appalling Grenfell tragedy. Judith Hackitt highlights her finding and gives her recommendations to the Government on needs to be improved. Below is her document you can download. A complex building is to be defined and the government are to look into what changes are to be made to the system. Below is the government response the Hackitt review.
The Planning Portal website is where all approved documents and latest news can be found