The development of One Celestial is divided into two phases, with a total of 26 strata residential buildings and 7 houses, providing a total of 938 units. The standard unit construction/saleable area is t75 square feet, with three and four bedrooms. The strata residential buildings in the first phase are designed with one unit per floor, and the units can enjoy views on both sides; the second phase, the richest mid-level, was occupied in 2010, with three units per floor.