15 Holland Hill is a luxurious freehold residential development located on a hilltop in the Holland area of Singapore (District 10). Developed by Peak Opal Pte Ltd, a subsidiary of Kheng Leong Group, the project comprises just 59 exclusive units spread across three 12-story buildings. The development occupies a site area of over 7,800 square meters and offers residents luxurious amenities such as a swimming pool, fitness center, gardens, and private lifts. Due to its elevated position, 15 Holland Hill provides stunning views of the surrounding greenery and cityscape. The project was completed in 2023.