Jonas Hartmann
Senior Architect
Jonas Hartmann is a Senior Architect at Halston, supporting the studio's residential and renovation practice with particular experience in larger residential developments and the occasional commercial commission. He joined Halston in 2017 after a decade at a leading European architectural practice in Rotterdam.
Jonas studied architecture at the TU München and the RWTH Aachen, and leads detailed design and construction stage administration on substantial residential projects, alongside the occasional commercial commission. He has particular experience in low embodied carbon construction, including the recently completed Hexagon Office in Berlin.
- 16 years of experience across residential and commercial architectural practice.
- Project Architect for the DGNB Platinum rated Hexagon Office, Berlin (2023).
- Specialist in low embodied carbon construction and timber hybrid structural systems.
- Registered architect with the Bundesarchitektenkammer (BAK).
- Member of the Architects' Council of Europe (ACE).
- Regular speaker at the World Architecture Festival.






