Interchange 21 is an A Grade Building located on 399 Sukhumvit Road, Bangkok. This 35-storey office building features 24/7 access and administrative support, a reception service, telephone answering, storage facilities and air-conditioned workspaces. Additionally, there are paid parking spaces with disabled access in the building as well as a concierge in the foyer, a cafe, business lounge, elevator/lift system and bike racks with accompanying shower facilities. Security is also present in the building to ensure safety for all visitors. Furthermore, Interchange 21 provides all of the tools necessary for modern digital work including high speed internet connection and teleconferencing capabilities along with presentation equipment and printing facilities to guarantee productivity. With all these features combined, this space provides excellent convenience for those working within it.