XT Phayathai is a condominium project, developed by Sansiri, located at 507/1 Thanon Si Ayutthaya, Khwaeng Thanon Phaya Thai, Khet Ratchathewi, Krung Thep Maha Nakhon 10400. Sansiri is also the developer behind 23 Degree Khao Yai Condo, THE BASE Sukhumvit 50 and The Line Sathorn. Condominium comprises of 2 buildings, having 37 floors and includes 1435 units.