▁the ▁concepts ▁of ▁P all ad io ▁and ▁Vit ru vi us , ▁but ▁was ▁also ▁sympath etic ▁to ▁the ▁more ▁Bar o que ▁style ▁of ▁architecture . ▁ ▁In ▁Dublin ▁itself , ▁Cass els ▁worked ▁on ▁the ▁H ouses ▁of ▁Parliament ▁with ▁Pear ce , ▁his ▁ment or ▁and ▁friend . ▁ ▁Cass els ' ▁first ▁solo ▁commission ▁was ▁the ▁Print ing ▁House ▁of ▁Tr inity ▁College , ▁designed ▁to ▁res emble ▁a ▁temple ▁complete ▁with ▁a ▁dor ic ▁port ico . ▁ ▁This ▁port ico ▁was ▁an ▁interesting ▁feature ▁symbol ising ▁Cass els ' ▁early ▁work ▁– ▁a ▁port ico ▁is ▁an ▁almost ▁essential ▁feature ▁of ▁P all ad ian ▁architecture . ▁But ▁as ▁Cass els ' ▁work ▁m ature d ▁he ▁t ended ▁to ▁merely ▁hint ▁at ▁a ▁port ico ▁by ▁placing ▁semi - eng aged ▁columns ▁supporting ▁a ▁ped iment ▁as ▁the ▁foc al ▁point ▁of ▁a ▁fac ade . ▁ ▁Perhaps ▁he ▁felt ▁the ▁huge ▁Italian ▁port icos ▁that ▁provided ▁shelter ▁from ▁the ▁sun ▁were ▁not ▁requ is ite ▁for ▁houses ▁in ▁the ▁less ▁c lement ▁Ireland . ▁ ▁This ▁blind , ▁merely ▁suggested , ▁port ico ▁is ▁a ▁feature ▁of ▁his ▁final ▁Dublin ▁master pie ce ▁K ild are ▁House ▁( l ater ▁renamed ▁Le in ster ▁House ), ▁built ▁for ▁The ▁ 2 0 th ▁Earl ▁of ▁K ild are ▁( l ater ▁created ▁The ▁ 1 st ▁Duke ▁of ▁Le in ster ) ▁between ▁ 1 7 4 5 ▁and ▁ 1 7 5 1