Building Under Construction / BUC (尚在建造中私宅项目)

These are condos that have yet to receive their Temporary Occupancy Permit (TOP). In short, they are not constructed yet; when you are looking at the condo, you will be browsing pamphlets, 3D projections, and show flats. It is typically two to three years before a new condo will TOP.

Source : icompareloan