1 & 3 Concorde Gate are connected by are large, bright, arching glass-topped atrium in the centre of which the main security desk for the complex is located. The property is comprised of 1 Concorde Gate which is a twelve-storey complex which is approximately 259,000 sq. ft. and 3 Concorde Gate which is a four-storey complex which is approximately 88,000 sq. ft.