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| Attribute | Detail |
|---|---|
| Accessibility to expressway | Asoke expressway |
| Year Built | 1995 |
| Total Number of Floors | 30 |
| Standard Lease Period | 3 years |
| Air-Conditioning System | Central Chilled |
| Operating Hour | 8.00am - 6.00pm |
| Ceiling Height | 2.60 meters |
| Passenger Lifts | 14 units |
| Service Lifts | 1 units |
| Car Park Lifts | 2 units |
| Free Car Parking Quota | 1 parking space per 100 sq.m. of leased area |
| Car Parking Fee for Additional Space (Baht / Month) | 2,700 |
| Electricity Charge | 5.50 / unit |
| Water Supply Charge | 22.00 / unit |
| Facility | Retail, Restaurant, Bank and coffee shop |

Sermmit Tower is a large office building for lease on Sukhumvit 21 (Asok Road), located in the heart of Bangkok's Central Business District (CBD). Thanks to its prime location and excellent accessibility by both BTS Skytrain and MRT, it has become one of the most popular office choices for Thai companies and multinational corporations seeking office space in the Asok area.
The building rises 30 storeys and offers over 51,000 sq.m. of office space with a wide range of unit sizes to accommodate SMEs as well as large corporations. Its common areas and lobby have been renovated to provide a modern, clean, and professional working environment.
One of Sermmit Tower's key advantages is its excellent connectivity. The building is approximately a 4-minute walk from both BTS Asok and MRT Sukhumvit, while offering convenient access via Sukhumvit 21 (Asok Road) and Sukhumvit 21 Soi 1. It also provides more than 1,000 parking spaces, making commuting easy for both tenants and visitors.
The building features a wide range of on-site amenities, including restaurants, cafés, banks, retail shops, and the popular Kinnie Food Court, offering everyday convenience within the building. Combined with its competitive rental rates compared to other office buildings in the Asok CBD, Sermmit Tower remains an excellent value for businesses looking for quality office space in a prime location.
In recognition of its commitment to safety and building management excellence, Sermmit Tower received the prestigious Diamond Award at the BSA Building Safety Awards 2025, highlighting its outstanding standards in safety, building operations, and tenant services.


Restaurants, cafés, banks, and a variety of retail shops.



Free Car Parking Quota: 1 parking space per 100 sq.m. of leased area


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

If you're looking to lease office space at Sermmit Tower, the Bangkok Office Finder (BOF) team is here to help. We provide expert advice, compare available office spaces, rental rates, and lease terms with other office buildings in the Asok area, while coordinating site visits and lease negotiations with building management. Our goal is to help you find the right office for your business—at no cost.
| Place | Walk |
|---|---|
| BTS Asok | Approx. 9 min · 550 m |
| MRT Sukhumvit | Approx. 8 min · 490 m |
| Bus stop Serm-Mit Tower | Approx. 2 min · 90 m |
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<a href="https://bangkokofficefinder.com/office/serm-mit-tower" target="_blank">Serm Mit Tower / อาคารเสริมมิตร ทาวเวอร์</a>We are not just a broker, we are a consulting partner who helps clients save time, reduce risk, and find the office that best fits their business goals at no cost to tenants. If you are looking for office space in Bangkok, the Bangkok Office Finder team is ready to support you from day one until move-in.
Bangkok Office Finder has had the opportunity to advise and support a wide range of organizations, both Thai and international, from small businesses to large enterprises seeking office space in Bangkok that matches their budget, location goals, and brand image.











