Interchange 21
อาคารอินเตอร์เช้นจ์ 21

Interchange 21 Review — A Prime Grade-A Office Building in the Heart of Asoke–Sukhumvit

Interchange 21 is one of the most convenient Grade-A office buildings in Bangkok, thanks to its strategic location right at the busy Asoke–Sukhumvit intersection. With direct access to both BTS Asoke and MRT Sukhumvit, commuting is exceptionally easy for employees and visitors.

Location — Right at the Core of the CBD

Interchange 21 sits in one of Bangkok’s most active business districts, surrounded by retail, restaurants, hotels, and major office hubs.

• Direct link to MRT Sukhumvit
• Immediate access to BTS Asoke via skywalk
• Located directly across from Terminal 21

This connectivity significantly reduces commute time and makes the building highly attractive for organizations prioritizing accessibility.

Office Space — Flexible and Modern

The building has 35 floors, with office space located on floors 11–35, offering approximately 44,000 sq.m. of leasable area.

Key features include:

• Open floor plates that are easy to customize
• Central Chilled Water air-conditioning for stable cooling
• Modern safety and security systems
• Multiple high-speed elevators for smooth vertical circulation

Retail Podium — Five Floors of Convenience

Interchange 21 features over 10,000 sq.m. of retail space across floors B2 to 3, offering:

• Restaurants
• Cafés
• Banks
• Convenience stores
• Service shops

This makes daily life extremely convenient for office tenants, without needing to step outside the building.

Facilities & Building Information

• Parking: Approx. 750 spaces
• Passenger Elevators: 12 units
• Certifications: MEA Energy-Saving Building & 5-star rating from Ministry of Energy
• Building Type: Grade-A mixed-use office + retail podium

Overall Impression

Interchange 21 stands out for its unmatched location and easy access to public transportation. The building offers a balanced mix of convenience, professional office space, and essential on-site facilities. For companies seeking a well-connected, premium office in the Asoke–Sukhumvit area, Interchange 21 is a practical and reliable choice.