O-NES Tower
อาคารโอ-เนส ทาวเวอร์

O-NES Tower

O-NES Tower is a newly developed Grade A office building in the heart of Sukhumvit, developed by Thai Obayashi (Nantawan Co., Ltd.). Strategically located right in front of BTS Nana Station with a direct skywalk connection, O-NES Tower represents the next generation of office buildings, combining modern Japanese engineering innovation with world-class design. Built with a focus on safety, sustainability, and architectural excellence, the tower is designed to meet the demands of modern businesses while ensuring long-term resilience.

A standout feature of O-NES Tower is its earthquake-resistant structure, utilizing the CFT (Concrete Filled Steel Pipe Structure) method — the first of its kind in Thailand. This construction technique involves filling hollow steel columns with concrete, creating superior strength and stability to withstand seismic activity. Another striking architectural element is the V-Shape steel columns that span from floors 1 to 7, a complex engineering achievement that showcases both design innovation and structural durability.

The building’s façade combines glass and natural stone panels, integrated directly with precast units for maximum durability, reduced maintenance, and resistance to natural impacts over time. This approach not only enhances the building’s modern aesthetics but also ensures long-lasting quality, making it one of the most advanced office towers in Bangkok.

Building Information

• Location: Direct connection to BTS Nana Station (Skywalk access)
• Land Area: 7,106 sq.m.
• Total Floor Area: approx. 85,000 sq.m.
• Building Height: 161 meters
• Structure: RC Core Wall & Steel Framing
• Completion: December 2021

Lifts & Parking

• Passenger Lifts:
  • Low Zone: 8 units (24 persons each)
  • High Zone: 8 units (24 persons each)
• Service Lifts: 2 units (capacity 27 & 20 persons)
• Car Park Lifts: 2 units (capacity 15 persons each)
• Parking Spaces: 555 lots (403 conventional, 152 mechanical parking)

Office Space for Rent

• Office Floors: 5F, 6F, 8F–29F
• Standard Floor Area: 1,768 – 2,016 sq.m. (8F–29F)
• Subdivisions: Up to 8 units per floor (minimum 174.65 sq.m.)
• Ceiling Height / Raised Floor: 3.00 m / 15 cm
• Floor Load Capacity: 500 kg/sq.m. (Heavy Duty Zone: 800–1,000 kg/sq.m.)
• Ceiling System: 60 cm modular grid
• Lighting: LED with sensor control
• Illumination: 500 lx standard
• Air Conditioning: VRV Multi System with sensors + space for additional outdoor AC units

Highlights of O-NES Tower

• Premium Grade A office tower on Sukhumvit, directly connected to BTS Nana
• First building in Thailand to use CFT Japanese seismic-resistant technology
• Unique architectural design with iconic V-Shape steel columns and glass-stone façade
• Flexible office layouts, with subdivision of up to 8 units per floor
• Full facilities, international-standard security systems, and modern amenities
• Ideal for multinational and Thai corporations seeking a prestigious, future-ready image

O-NES Tower stands as a new icon of Bangkok’s office landscape, combining innovation, safety, and sophisticated design. It is the ultimate choice for companies seeking a world-class business address in one of the city’s most dynamic and connected locations.