Sindhorn Tonson

Sindhorn Tonson is a luxury high-rise condominium located at 89 Soi Tonson, Lumphini, Pathum Wan, Bangkok 10330. The project sits in one of Bangkok’s prime residential districts with convenient access to Ploenchit, Langsuan, and Wireless Road. It is approximately 900 meters from BTS Phloen Chit Station and around 1 kilometer from BTS Chit Lom Station, making it suitable for both upscale living and long-term investment in the CBD area.

Developed by Siam Sindhorn Co., Ltd., the project is a 59-storey residential tower with approximately 59 units, offering a high level of privacy. Parking is provided at around 140 percent of total units. Unit types mainly include large-format 3-bedroom, 4-bedroom, duplex, and penthouse residences, with usable areas starting from about 234 sq.m. The project was completed around 2018 and is managed under luxury residential standards consistent with Bangkok’s super-luxury segment.

Facilities include a grand lobby, swimming pool, fitness center, lounge areas, shared relaxation spaces, private lift access, and landscaped green areas. Security features include 24-hour security guards, CCTV, and controlled access systems. Sindhorn Tonson is especially appealing to buyers seeking spacious freehold residences in the Tonson area, where supply remains limited and long-term value is supported by the prestige of the location.

Sindhorn Tonson (Tonson Soi, Lumphini) is a luxury condominium in the Langsuan-Phloenchit pocket, supported by expat and executive tenants. Access is a key value driver: BTS Chit Lom is about 900 m away and BTS Ratchadamri about 1.1 km, helping sustain premium rents with relatively stable demand.

• 2026 resale pricing: a typical 1-bedroom 75 sq.m. trades around THB 38.0M, or roughly THB 507,000 per sq.m.
• Observed market range: THB 480,000-560,000 per sq.m., depending on floor, view, and unit condition.
• Average rent: THB 170,000 per month (common range THB 150,000-200,000).

Rental Yield (quick math): annual rent THB 170,000 x 12 = THB 2,040,000. Divide by purchase price THB 38,000,000 = 5.37% per year (before maintenance fees, taxes, and vacancy). For prime CBD luxury stock, this level is relatively attractive versus many comparable projects that often land around 3.5-4.8%.

Capital gain outlook: pricing tends to follow the limited supply of high-end Langsuan inventory. Using an estimated 2024 benchmark near THB 470,000 per sq.m. versus ~THB 507,000 in 2026 implies a gain of about 7-9% over two years, or ~3.5-4.5% annually. Upside is driven by location quality and scarcity, competing with nearby prime options such as Noble Ploenchit, while offering a more private residential feel.