Gammon Construction
Chater House has a total floor area of 438,500 net sq.ft. (498,000 sq ft. gross), was designed by architects Kohn Pedersen Fox. It was originally configured into 30 floors – 474,000 net sq. ft – of office accommodation above a three-level retail podium of 45,000 net sq.ft. (81,000 sq ft. gfa) and a three-level basement, which includes 112 parking spaces. When the project was announced, in 1997, the estimated cost was HK$2.3 billion, and would complete in 2003. Architecture firm Aedas were the architect for the Chater House. The main contractor was Gammon Construction.