Proposed non-material amendment to permission for application for erection of part two/part single storey front extension and creation of mezzanine floor, retention of two stacked containers and existing two storey side extension to Administration building with insertion of new windows to rear and alterations. Erection of external access stairs to and creation of new roof to existing container, replacement of two single garage doors in workshop with one double door, retention of existing covered structure to the south west of the site and erection of new palisade fencing to boundary and security gate to access (Part Retrospective) granted under planning ref: 19/07522/FUL