Architectural additions, adjustments – improvements and configuration of surroundings in existing premises of the University of Western Macedonia in Florina. In particular, it includes:1. Five staircase case. 2. Add a new M.T. substation 3. Addition of a roof to an existing space. 4.Add ground floor semi-open space. Indoor interventions and configurations of existing buildings. 5. Upgrading of heating, water supply, strong and weak currents, fire detection and fire extinguishing networks. In general, all the E/M facilities of the building are upgraded.6. Installation of a photovoltaic system to reduce the energy consumed in existing buildings (Net Metering).