The retention of 6 no. satellite dishes, portable generators, external plant and associated louvres panel plant enclosure, vents and cowls, retention of a portacabin to the rear of Sapphire House, erection of a gantry with staircase and additional external plant with associated vents and cowls, provision of fuel storage associated with the backup generators, provision of additional doors and windows to Sapphire House, erection of a 2.6 metre high fencing and barbed wire, extension to pathway and external lighting, 6 condenser units and internal and elevational alterations. PART RETROSPECTIVE APPLICATION