Certificate of Lawful Development - Proposed Use for to change the existing Tack room to a home office and Gym. Remove the existing Coroline Bitumen sheets and replace with 60mm insulated roof sheets. Walls external - Over cover the existing tongue and groove cladding with 40mm insulated wall panels, Walls internal to be stud wall with plasterboard. perimeter walls to be insulated between the existing battens and over boarded with plasterboard and the existing stable doors will be filled in and new windows will be installed.