1 First Avenue is a Grade-An office tower settled in the secured Bandar Utama enclave. It is asserted to be the main 'Green Building' in Petaling Jaya. It is arranged alongside 1-Utama Shopping Center, 8 First Avenue, One World Hotel and Sri Pentas. This 25-story Grade-An office tower is finished in mid 2010. It has been perceived as a MSC Status building. It offers office sizes extending from 3,100 sf up to 75,000 sf with 2 units every floor. It has 25,000 sf of floor plate with a gross floor region of 625,000 sf for lease. Every unit at 1 First Avenue is assembled with individual sky gallery. Offices gave incorporate storm cellar auto park inlets, brought together cooling framework, 24-hour security with CCTV observation and cleaning administration. The top floor fuses a helipad. The structure of 1 First Avenue emphasizes an inherent raised floor framework for adaptable procurement of information transfers and force. Other than that, it has devoted power supply for secured IT UPS go down if power disappointment occasion happens. It is additionally outfitted with committed secured information transfers channels for the IT necessities of occupant. It additionally brags liberal roof stature of 3,150mm and abundant section compass of 16.8m. Being a green building, 1 First Avenue is furnished with downpour water reaping framework that reuses downpour water for ventilating cooling towers framework, can flushing and finishing. It is likewise an Energy Efficient Building.