[2] In 1864, first Hong Kong police headquarters was built at the junction with Hollywood Road and Wyndham Street.

After early World War II, the headquarters moved to Oriental Emporium at Connaught Road West.

On 23 April 1997, ten years after the redevelopment, due to ageing facilities within May House, the Royal Hong Kong Police Force submitted the advice of police headquarters alteration, at a cost of 230 million Hong Kong dollars, to the Provisional Legislative Council Public Works Subcommittee.

This plan was estimated to save rent of 34 million Hong Kong dollars every year for the police force.

Arsenal House, which stands as the 43rd-tallest building in Hong Kong and is tied in rank with the Three Garden Road, Central, is composed entirely of commercial office units.

[1] It has a total floor area of 135,500 square metres (1,459,000 sq ft) Facilities include 200-seat multi-use hall, 300-seat lecture theatre and an indoor shooting range.