Among other objectives, the research project “3D Site Plan for Building Permit Applications” aims to transfer its findings into a practice-oriented application together with the project partners and to evaluate their feasibility as a proof of concept. In this presentation, HHK Datentechnik GmbH and Vermessungsbüro KDS demonstrate a possible future workflow using both existing and yet-to-be-developed GEOgraf and Trimble Connect tools. The focus is on the experience gained, its professional assessment, and its relevance for further development. The presentation concludes with an outlook on possible next steps