Leppänen Architects is an architectural practice that combines expertise in demanding renovation with a strong architectural vision. Our design approach is rooted in functional and durable solutions that respect the site, the building’s history, and its users.
As a second-generation architectural firm, Leppänen Architects builds upon the heritage and values established through the life’s work of architects Kaarlo and Kari Leppänen. Over the course of more than 35 years, the practice has gained comprehensive expertise across projects of varying types and scales. Our completed works range from the restoration of protected heritage properties and residential design to architectural and principal design for diverse conversion projects.