One City Centre
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One City Centre (OCC) – The New Landmark Office in Central Ploenchit

One City Centre (OCC) is a Grade A+ office tower standing 61 storeys tall at 275.76 meters, making it the tallest office building in Thailand. With an investment of 8.8 billion THB, the project is developed by Raimon Land in joint venture with Mitsubishi Estate Japan. Located in the heart of Ploenchit, it connects directly to BTS Ploenchit via a dedicated Sky Bridge.

Prime Location & Connectivity

• Located on Ploenchit Road in Bangkok’s Central Business District (CBD)
• Directly opposite Central Embassy, surrounded by luxury malls, 5-star hotels, and fine dining
• Direct connection to BTS Ploenchit Station – only a 2-minute walk
• Easy access to the expressway, just 200 meters away

Office Space & Usage

• Total leasable area: 61,000 sq.m.
• Typical floor plate: 1,300 sq.m.
• Minimum leasing space: From 125 sq.m.
• Space allocation: 86% office and 14% retail
• Features: 3-meter ceiling height, column-free layout, and knockout panels for expansion
• JustCo coworking space occupies floors 37–40, with a total of 5,228 sq.m. under a 12-year lease

Design & Sustainability

• Designed by Skidmore, Owings & Merrill (SOM) with Design 103 International and Tandem Architects
• Features a 3-rai landscaped garden and over 5,000 sq.m. of green space
• Certified with Fitwel 2 Stars – the first project in Thailand to achieve this
• Flexible 24-hour air conditioning system
• Advanced air filtration with MERV14 filters
• Integrated BIM technology and intelligent building management

Smart Technology & Facilities

• Touchless entry systems with Face Recognition & License Plate Recognition
• Tenant-exclusive mobile app for booking services and restaurants
• Relaxation and social spaces on floors 14 and 61
• Rooftop destination featuring restaurants and a sky bar on floors 58 and 61, with 360° views of Bangkok

Tenants & Retail

Key tenants include: Raimon Land, Mitsubishi Estate, Mitsubishi Heavy, Mitsubishi Power, Marubeni, Amadeus, Kokuyo, Cortina Watch, JustCo

Retail highlights:

• Dean & DeLuca, Au Bon Pain, %Arabica, Ksana, BLK.BOBA, Focaficial, Lawson
• Food court: Kinnie Food
• Fine dining & Sky Bar on the top floors (58–61)

OCC redefines Grade A+ luxury office space in Bangkok, offering a seamless blend of work, lifestyle, and leisure in one iconic destination.