Hotel near Platinum Fashion Mall & Pratunam Market: First House Bangkok – Heart of Pratunam. Book a room directly with us to receive an exclusive offer. First House Bangkok Hotel opened in 1987, with more than 25 years serving more than a million guests, First House Bangkok;Hotel near Platinum Fashion Mall is popular for its value that we provide to our guests. We provide the best location for shopping, eating, and traveling for our guests while providing new and exceptional guest room. This is the main attribute of First House Bangkok;Hotel near Platinum Fashion Mall. This is what made First House unique.