He created the masterplan for the rebuilding of Copenhagen after the Great Fire of 1795 in his capacity of city architect and was also involved in many building projects, mostly of townhouses, often collaborating with Andreas Hallander.
In 1775, he enrolled with the engineering troops in Copenhagen and moved to Denmark where he studied architecture under Caspar Frederik Harsdorff at the Royal Danish Academy of Fine Arts between 1776 and 1778, winning both the small and large silver medals.
In 1779 and 1791 he unsuccessfully competed for the large gold medal which would have won him a travel scholarship.
His achievements as a designer are Norway is limited to the pulpit in the church in Skien and a few tombs and memorials.
In 1790, he returned to Copenhagen to assume a position as implementing architect for the city (Stadskonduktør).