One Hysan Avenue

1 Hysan Avenue, Causeway Bay

Located at the junction of three busy streets in the heart of Causeway Bay, One Hysan Avenue is a prime office and retail development on the doorstep of all that is most exciting and enjoyable about the district.

Office tenants include companies in the professional and consulting services, semi-retail, and marketing sectors. The retail mall is best known for a fashion mega flagship store.

Leasing enquiries

Retail: 2830 5150 /

Office: 2830 5790 / 6330 0133 /

169k ft2
Approx. Gross Floor Area

More information on office floors


Typical Floorplate (sq ft lettable)
5,077 – 5,526

Efficiency (typical whole floor)
Approx. 80%

Clear Headroom

External Wall to Core Wall Depth
Approx. 8.0m to 12.0m

Ceiling System
The false ceiling comprises suspended ceiling tiles with lighting boxes and air conditioning outlets and exposed grid system with in-laid mineral fibre ceiling panels.

Flooring and Trunking System
Public cable trunking

Floor Loading
2.4kPa (live load)
1kPa (partition)

Air Conditioning System
2 pipes fan-coil system
24 hours chilled water