From 1921 to 1954 establishes architecture practice with his brother Hans, they shared offices with Alfons Anker from 1924 to 1934.
He was a Member of the DDR Academy of Arts, Berlin, from 1955 until 1959 as a deputy director of the department of architecture.
During National Socialism the Luckhardt brothers tried initially to reconcile their architecture with the new ruling powers and joined even the Nazi Party.
They were professionally disqualified and could only build three single-family houses in this time, the exterior of which was made to blend in with the preferred style of the regime.
The 1959 competition for the Haus der Bremischen Bürgerschaft (city assembly in Bremen) was only realized after long discussions and repeated revision.