Supalai Prime Rama 9

Supalai Prime Rama 9 is a high-rise condominium located at 345 Bang Kapi, Huai Khwang, Bangkok 10310. The project sits in the Rama 9 area, one of Bangkok’s key business and residential zones, with convenient access to MRT Phra Ram 9 Station at approximately 1.6 kilometers and Airport Rail Link Ramkhamhaeng Station at around 1.7 kilometers. This location is suitable for both owner-occupiers and investors seeking rental demand in the city.

Developed by Supalai Public Company Limited, the project consists of 1 residential building with 8 floors and a total of 217 units. Parking is available for approximately 93 cars, or about 43% of total units, excluding double parking. Unit types include studio, 1-bedroom, 2-bedroom, and penthouse layouts, with sizes ranging from about 30 to 126 square meters, suitable for singles, couples, and small families.

Facilities include a saltwater swimming pool, fitness center, garden, sauna, lobby, and passenger elevators. The security system features 24-hour security guards, CCTV, and key card access. The project was completed in 2014 and has juristic person management for common area maintenance and building administration.

Its key advantage is proximity to RCA, Praram 9 Hospital, Bangkok Hospital, Central Rama 9, and Fortune Town, making it attractive for urban living and long-term rental potential. For a nearby project, see Atmoz Ratchada-Huaikwang.

Supalai Prime Rama 9 in 2026 trades in line with the Rama 9-Ratchada rental demand, supported by office clusters and daily commuters. The project is about 1.2 km from MRT Phra Ram 9, which helps maintain leasing liquidity, although nearby Huai Khwang continues to see new supply entering the market.

• Average resale price per unit: THB 4.25M (typical 1-bed around 35 sq.m.)
• Average resale price per sq.m.: ~THB 121,000 (commonly seen range THB 110,000-135,000)
• Average rent: ~THB 18,500 per month (1-bed 30-35 sq.m.)

Rental Yield (simplified): (18,500 x 12) minus 1 vacant month = THB 203,500 per year. Divide by purchase price THB 4,250,000 gives ~4.8% gross yield per year (excluding common fees and taxes). This level is generally acceptable for investors targeting stable tenants in the Rama 9 area rather than chasing high yield.

Capital Gain view: if the 2024 market average was ~THB 115,000 per sq.m. and 2026 is ~THB 121,000 per sq.m., that implies roughly ~2.5% annual price growth. Upside tends to be more realistic for well-maintained or nicely renovated units priced competitively against nearby resale options such as Ivy Ratchada and The Kris 2 Ratchada 17, which often set the ceiling for secondary-market pricing.