The phrase "private rooftop" refers to a roof area that belongs to a specific person or household and is not accessible to the general public. It is like having a personal outdoor space on the top of a building. Full definition
In addition, there are two bedroom villas with private rooftop terraces and some of these have hot tubs. (wikiaustralia.com)
The ultimate feature of this suite is its very own private rooftop terrace, accessible via a spiral staircase leading to the roof and complete with a private plunge pool. (vacationidea.com)
These apartments have their own private rooftop deck area with a barbecue and furniture to enjoy the great ocean views. (wikiaustralia.com)