Installation of replacement windows in uPVC to front and retrospective change of use from office to flat (C3) at ground floor

Retrospective planning to form pitched roof over previous flat roof to the front of dwelling, the addition of a roofed veranda and replacement sliding door. Change of use from agricultural outbuilding to form additional dwelling space (Gymnasium). Demolition of barns to open courtyard. Demolition of existing agricultural buildings to enable construction of home offices, domestic workshop, carport and machinery store within footprint of existing agricultural buildings