▁single ▁large ▁double - height ▁space , ▁the ▁fac ades ▁are ▁divided ▁by ▁the ▁use ▁of ▁classical ▁mot ifs ▁into ▁two ▁levels . ▁The ▁orn ament ▁and ▁detail ing ▁of ▁the ▁fac ades ▁is ▁based ▁on ▁the ▁design ▁of ▁the ▁ar cade , ▁which ▁forms ▁the ▁east ▁fac ade ▁of ▁the ▁Chap el . ▁On ▁the ▁lower ▁level ▁of ▁the ▁north ▁and ▁south ▁fac ades ▁is ▁a ▁blind ▁ar cade ▁of ▁round ▁arch es ▁supported ▁on ▁pil aster s . ▁The ▁upper ▁level ▁contains ▁a ▁row ▁of ▁tall ▁narrow ▁round ▁arch ed ▁windows ▁separated ▁by ▁pil aster s ▁with ▁Cor inth ian ▁capit als . ▁The ▁par ap et ▁above ▁repe ats ▁the ▁classical ▁bal ust ers ▁used ▁on ▁the ▁ar cade . ▁An ▁orn ate ▁cup ola ▁supported ▁by ▁dimin utive ▁columns ▁and ▁sur mount ed ▁with ▁an ▁elaborate ▁metal ▁cross ▁is ▁located ▁in ▁the ▁centre ▁of ▁the ▁r idge ▁of ▁the ▁t iled ▁roof . ▁ ▁The ▁main ▁entry ▁to ▁the ▁Chap el , ▁in ▁the ▁centre ▁of ▁the ▁east ▁front , ▁is ▁from ▁the ▁ground ▁level ▁of ▁the ▁ar cade . ▁Display ed ▁in ▁the ▁ar cade ▁are ▁several ▁mem orial ▁pla ques ▁including ▁an ▁orn ate ▁mar ble ▁W W 1 ▁honour ▁table t ▁with ▁mar ble ▁pil aster s , ▁mod ill ions , ▁arch ed ▁top ▁and ▁br ass ▁name plates ▁and ▁a ▁br ass ▁W W 2 ▁honour ▁board . ▁ ▁The ▁entry ▁vest ib ule ▁is ▁single ▁store y ▁space ▁located ▁under ▁the ▁cho ir