[2] The competition required planners and architects to put forth design that would link central Berlin with surrounding towns in the regions to form a metropolis, spanning from the historic center to outer suburbs.
[3] In addition to his focus on public space, Jansen's plan received accolades for the attention drawn to overcrowding in central Berlin, with a proposed fast transport system aimed at integrating the center of the city with peripheral areas.
These dwellings came in the form of single houses within small settlements with the intention of creating new opportunities for Berlin's less-privileged social classes to live outside the city center.
He worked on and contributed to plans across Germany including; Emden, Minden, Goslar, Hameln, Osnabrück, Brandenburg, Bissingheim, Prenzlau, Neisse, Schwerin, Wałbrzych, Schweidnitz and many other small towns.
[5] The government invited three prominent European planners to the competition, Frenchman Léon Jaussely and Germans Joseph Brix and Hermann Jansen.
[8] Jansen's master plan for Ankara placed particular emphasis on the historical context of the region, stressing the importance of the new settlement sitting adjacent to the existing old city rather than enveloping it within the new design.
[5] Jansen also called for the compulsory integration of green belts and areas within the city to promote a healthy urban environment, even extending this vision to the housing stock, which were designed to incorporate both front and rear gardens.
[5] A defining feature of Jansen's master plan for Ankara was his division of the city into functionally specialized zones, which was an unfamiliar concept when compared to traditional Turkish urban form.