▁a ▁ 1 9 9 0 s ▁interior ▁ref urb ishment ▁with ▁some ▁areas ▁exhib iting ▁even ▁more ▁recent ▁fit ▁out s . ▁The ▁original ▁Ch all is ▁House ▁had ▁a ▁lower ▁ground ▁floor ▁( below ▁pav ement ▁level ) ▁in ▁the ▁eastern ▁half ▁of ▁the ▁building ▁with ▁a ▁sub - bas ement ▁below . ▁ ▁The ▁west ▁side ▁of ▁the ▁building ▁had ▁only ▁a ▁bas ement ▁area ▁( un ten anted ) ▁below ▁pav ement ▁level . ▁ ▁When ▁the ▁building ▁was ▁re construct ed ▁in ▁ 1 9 3 6 ▁it ▁was ▁increased ▁in ▁height , ▁the ▁struct ural ▁framework ▁was ▁completely ▁removed ▁and ▁replaced ▁and ▁the ▁appearance ▁of ▁the ▁building ▁was ▁totally ▁alter ed . ▁The ▁present ▁building ▁exterior ▁and ▁structure ▁essentially ▁dates ▁from ▁ 1 9 3 7 ▁although ▁there ▁are ▁some ▁elements ▁that ▁date ▁from ▁ 1 9 0 7 . ▁ ▁The ▁ 1 9 7 4 ▁internal ▁ref urb ishment ▁has ▁removed ▁all ▁visible ▁traces ▁of ▁the ▁ 1 9 3 7 ▁reconst ruction . ▁Since ▁ 1 9 3 7 , ▁the ▁most ▁obvious ▁external ▁change ▁to ▁the ▁building ▁has ▁been ▁the ▁addition ▁of ▁the ▁m ans ard ▁roof , ▁although ▁removal ▁of ▁the ▁aw ning ▁to ▁the ▁central ▁entrance ▁at ▁ground ▁level ▁( to ▁Martin ▁Place ), ▁removal ▁of ▁original ▁doors ▁and ▁window ▁sp and rel s ▁and ▁the ▁addition ▁of ▁new ▁entrance ▁steps . ▁▁ ▁Giorg io ▁Ar man i ▁was ▁a ▁ground - floor ▁ten ant ▁in ▁the ▁building . ▁ ▁Heritage