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| Attribute | Detail |
|---|---|
| Accessibility to expressway | Asoke Expressway |
| Year Built | 2009 |
| Total Number of Floors | 35 |
| Standard Lease Period | 3 years |
| Air-Conditioning System | Central Chilled |
| Operating Hour | 8.00 am - 6.00 pm |
| Ceiling Height | 2.70 meters |
| Passenger Lifts | 12 units |
| Service Lifts | 1 units |
| Car Park Lifts | 4 units |
| Free Car Parking Quota | 1 parking space per 100 sq.m. of leased area |
| Car Parking Fee for Additional Space (Baht / Month) | 2,500 |
| Electricity Charge | 6.50 / unit |
| Water Supply Charge | 20.00 / unit |
| Facility | Retail shop, Restaurants, Bank and Coffee Shop |

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.


Interchange 21 sits in one of Bangkok’s most active business districts, surrounded by retail, restaurants, hotels, and major office hubs.
This connectivity significantly reduces commute time and makes the building highly attractive for organizations prioritizing accessibility.
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:


Interchange 21 features over 10,000 sq.m. of retail space across floors B2 to 3, offering:
This makes daily life extremely convenient for office tenants, without needing to step outside the building.


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.
Sample images of bare-shell office space within Interchange 21 . Additional vacant units are available in small, medium, and large sizes on multiple floors. Please contact our team (BOF) for the latest availability.

| Place | Walk |
|---|---|
| BTS Asok | Approx. 3 min · 190 m |
| BTS Nana | Approx. 14 min · 870 m |
| MRT Sukhumvit | Approx. 1 min · 70 m |
| Bus stop Soi Prasanmit | Approx. 4 min · 240 m |
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