1 Castlereagh Street is a B Grade building located on the corner of Hunter and Castlereagh Streets. The NE aspect gives all floors excellent solar access. The lobby has undergone a recent refurbishment, providing a classy entrance. The basement has parking and end-of-trip facilities with showers, lockers, and bicycle racks. Energy rating.4.5 Stars, Water – 3.5 Stars - Quality existing fit-out in place - Prime North East corner suite with great light - Entry area, boardroom, meeting room, 16 workstations - New direct lease from 1 August 2026