▁an ▁era ▁of ▁un pre ced ented ▁commercial ▁building ▁activity ▁in ▁central ▁Sydney . ▁ ▁Lin er ▁House ▁is ▁an ▁out standing ▁and ▁relatively ▁int act ▁example ▁of ▁an ▁International ▁style , ▁cur tain ▁w alled ▁office ▁building , ▁distinguished ▁particularly ▁by ▁the ▁quality ▁and ▁consist ency ▁of ▁its ▁design , ▁the ▁fin eness ▁of ▁its ▁finish es ▁and ▁its ▁sens itivity ▁to ▁its ▁contemporary ▁neighb ours ▁and ▁streets cape . ▁ ▁Lin er ▁House ▁was ▁listed ▁on ▁the ▁New ▁South ▁Wales ▁State ▁Heritage ▁Register ▁on ▁ 2 ▁April ▁ 1 9 9 9 ▁having ▁satisfied ▁the ▁following ▁criteria . ▁ ▁The ▁place ▁is ▁important ▁in ▁demonstr ating ▁the ▁course , ▁or ▁pattern , ▁of ▁cultural ▁or ▁natural ▁history ▁in ▁New ▁South ▁Wales . ▁ ▁Lin er ▁House ▁is ▁associated ▁with ▁the ▁Wil h . ▁Wilhelm son ▁Agency ▁and ▁the ▁historic ▁use ▁of ▁Bridge ▁Street ▁as ▁the ▁hub ▁of ▁offices / agen cies ▁associated ▁with ▁sh ipping . ▁ ▁It ▁was ▁constructed ▁at ▁the ▁close ▁of ▁the ▁ 1 9 5 0 s ▁- ▁an ▁era ▁of ▁un pre ced ented ▁commercial ▁building ▁activity ▁in ▁central ▁Sydney . ▁ ▁It ▁is ▁a ▁building ▁designed ▁by ▁the ▁notable ▁post ▁second ▁world ▁war ▁architect ural ▁practice ▁of ▁ ▁Bun ning ▁and ▁Mad den . ▁ ▁The ▁place ▁is ▁important ▁in ▁demonstr ating ▁a est h etic ▁characteristics ▁and / or ▁a ▁high ▁degree ▁of ▁cre ative ▁or ▁technical ▁achiev ement ▁in ▁New ▁South ▁Wales . ▁ ▁Lin er ▁House ▁incorpor ates ▁cur tain ▁wall ▁construction