Serenia Hills The 2018 Best Housing Development (Indonesia) The 2018 Indonesia Property Awards – PropertyGuru One of the company’s developments, Serenia Hills, won in Indonesia Property Awards 2018 for the category of The 2018 Best Housing Development (Indonesia). The event was held by PropertyGuru on September 2018 in Jakarta. Award winners were selected based on research and juries decision consisting of experts in property and architecture.