2 adjectives to describe atelier

She worked as a seamstress all day in a hot, crowded atelier, and when she came home at night she loved to go out on her balcony, especially these fine summer evenings.

Twelve guests only were present, including Mrs. John Archer, to whom Mrs. Rutherford had in this fashion testified her forgiveness, and who had accepted the proffered olive-branch with delight, wearing, in order to do honor to the occasion, an exquisite dress, fresh from one of the most renowned ateliers of Parisian fashion.

2 adjectives to describe  atelier