Klass Langsuan
31/1 Lang Suan Road, Lumphini Subdistrict, Pathum Wan District, Bangkok, 10330
Project Type
EIA Permission
Quantity
Completed
Floor Plan
No information
Project Location
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Nearby Locations
BTS Chitlom (E1)
161 M
BTS Phloen Chit (E2)
333 M
BTS Ratacha Damri (S1)
362 M
BTS Siam (CEN)
683 M
BTS Siam (CEN)
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ARL Ratchaprarop (A7)
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MRT Queen Sirikit National Convention Centre (BL23)
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MRT Thailand Cultural Center (OR13)
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MRT Lat Phrao (BL15)
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BTS Talat Phlu (S10)
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MRT Lat Phrao (YL01)
4.9 km.
MRT Charan 13 (BL02)
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MRT Chok Chai 4 (YL03)
4.9 km.
MRT Bang Khun Non (BL04)
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BTS Ha Yaek Lat Phrao (N9)
5.0 km.
Project Concept
Class Langsuan is shaped around the idea of a “quiet urban home in Langsuan,” balancing a calm residential mood with the energy of Lumpini’s CBD. The architecture leans toward contemporary elegance - clean lines, restrained proportions, and a light, airy massing that fits a neighborhood known for embassies, boutique cafés, and mature greenery.
The planning prioritizes privacy and comfort. From the arrival sequence to the placement of shared facilities, the design aims to reduce visual crowding and create a more residential rhythm. Natural light and ventilation are treated as everyday luxuries, while openings and lounge corners are oriented to frame “city and garden” views, helping residents decompress from the dense cityscape.
Material choices emphasize crafted warmth over flashiness: stone-like textures, wood tones, and soft lighting to evoke a small hotel atmosphere. This design direction supports both end-users and investors seeking a premium yet understated product in Langsuan, appealing to tenants working around Ploenchit and Chidlom who value tranquility, walkable lifestyle spots, and a refined sense of privacy.
Project Highlights
Class Langsuan is a central condominium in the Langsuan-Lumphini pocket, offering a rare balance between a calm side street and the energy of Bangkok’s CBD. The neighborhood is surrounded by premium lifestyle hubs such as Velaa Sindhorn Village, Central Embassy, and the Ploenchit-Chidlom corridor, making it attractive for both end-users and rental demand from executives and expats working around Ratchadamri and Ploenchit.
- Prime Langsuan location near Lumphini Park - enjoy walkable access to one of Bangkok’s key green spaces, ideal for running and daily recharge.
- Convenient rail access - BTS Chidlom is about 1.1 km away and BTS Ratchadamri about 1.3 km, connecting quickly to major malls and office clusters.
- Distinct neighborhood amenities - from Langsuan’s well-known dining scene to curated cafes and community retail that expats frequent.
- Privacy as a differentiator - a more compact project in a scarce inner-city lane, typically less congested than main-road developments.
- Investor angle - Langsuan tends to attract high-quality tenants while new supply remains limited, supporting rental liquidity and long-term value preservation.
Description
KLASS Langsuan is located at 31/1 Lumphini, Pathum Wan, Bangkok 10330. This is a luxury high-rise condominium in Soi Langsuan, one of Bangkok’s prime residential areas near Ratchaprasong and the central business district. The project is approximately 550 meters from BTS Chit Lom and around 700 meters from BTS Ratchadamri.
The project was developed by Klass Asset Co., Ltd. and completed in 2021. It consists of 1 residential building with 34 floors and 159 units. Parking space is provided for about 200 cars, which is more than 100% of the total units, suitable for an upscale urban lifestyle.
Unit types include 1-bedroom, 2-bedroom, 3-bedroom, penthouse, and villa layouts, with sizes ranging from about 54 to 347 square meters. The design focuses on privacy, with a limited number of units per floor and private lift access in selected residences.
Facilities include a lobby, swimming pool, fitness room, steam room, sauna, lounge areas, sky garden, reception area, and selected hotel-style services. Security features include 24-hour security guards, CCTV, key card access, and private access control. The management standard is in line with luxury condominium expectations, making it suitable for both end-users and long-term investors in the limited-supply Langsuan area.
For another project option, please see Ivy Thonglor.
Price Trend
Class Langsuan in Lumphini, Pathum Wan is positioned for end-user and expat rental demand around Ploenchit-Chidlom rather than pure speculation. This typically keeps pricing resilient, though premium supply in the Langsuan corridor remains competitive in 2026.
- 2026 resale price: 1-bed 45 sq.m. averages THB 12.6M, or about THB 280,000 per sq.m.
- Average rent (2026): 45 sq.m. averages THB 52,000 per month (market band THB 48,000-58,000)
- Rental Yield: (52,000 x 12) - THB 60,000 annual common fees = THB 564,000 net rent; 564,000 ÷ 12,600,000 = 4.48%
Capital gain view: Using a conservative appreciation range for upper-mid CBD condos of 2.5%-3.5% per year, potential price upside over 2026-2028 is roughly 5%-7% (about +THB 0.6-0.9M from a THB 12.6M base). Upside is supported by scarce Langsuan stock and CBD connectivity, while negotiation discounts may appear when competing against newer nearby launches.
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