▁building , ▁however , ▁although ▁on ▁the ▁same ▁site , ▁was ▁built ▁in ▁the ▁ 1 3 th ▁century ▁( with ▁later ▁add itions ). ▁The ▁fac ade ▁with ▁its ▁two ▁high ▁to wers ▁and ▁the ▁remarkable ▁nave ▁from ▁the ▁ 1 3 th ▁century ▁made ▁of ▁lim estone ▁from ▁Ca en ▁demonstrate ▁the ▁sty list ic ▁and ▁econom ical ▁her itage ▁from ▁Norm andy . ▁The ▁western ▁fa ç ade ▁and ▁the ▁south ▁por ch ▁date ▁back ▁from ▁the ▁ 1 3 th ▁century ▁whereas ▁the ▁ch an cel ▁( cho ir ▁made ▁of ▁gran ite ) ▁and ▁the ▁tr anse pt ▁are ▁from ▁the ▁beginning ▁of ▁the ▁ 1 5 th ▁century . ▁The ▁c athedral ▁was ▁completed ▁in ▁the ▁second ▁half ▁of ▁the ▁ 1 6 th ▁century ▁( the ▁amb ul atory ▁and ▁the ▁southern ▁chap el ). ▁It ▁also ▁has ▁an ▁ensemble ▁which ▁is ▁almost ▁unique ▁in ▁Brit t any . ▁ ▁The ▁ 5 0 - met re ▁sp ires ▁are ▁from ▁the ▁end ▁of ▁the ▁ 1 4 th ▁century . ▁In ▁the ▁ 1 6 th ▁century , ▁side ▁chap els ▁gave ▁it ▁its ▁definit ive ▁stat ure . ▁The ▁c athedral ▁is ▁ 8 0 ▁metres ▁long ▁in ▁total , ▁ 1 6 - met re ▁height ▁under ▁the ▁v ault s ▁and ▁ 4 4 ▁metres ▁wide ▁with ▁the ▁tr anse pts . ▁ ▁In ▁the ▁north ▁tower , ▁there ▁are ▁three ▁b ells ▁which ▁date ▁from ▁more ▁than ▁three ▁centuries ▁ago ,