His customary Corinthian-columned elegance prevails here, extended from the facade to an airy interior.
The Corinthian elegance is present only at the entrance, the interior being stuffy and closed. 
mnli hypothesis: The Corinthian elegance is present only at the entrance, the interior being stuffy and closed.  premise: His customary Corinthian-columned elegance prevails here, extended from the facade to an airy interior.