The primary functions of the Jamaica National Heritage Trust are :
- To promote the preservation of national monuments and anything designated as protected national heritage for the benefit of the Island;
- To conduct such research as it thinks necessary or desirable for the purposes of the performance of its functions under the Jamaica National Heritage Act;
- To carry out such development as it considers necessary for the preservation of any national monuments or anything designated as protected national heritage;
- To record any precious objects or works of art to be preserved and to identify and record any species of botanical or animal life to be protected.