▁The ▁building ▁is ▁used ▁by ▁the ▁school ▁as ▁a ▁library . ▁ ▁Heritage ▁registration ▁The ▁building ▁was ▁registered ▁as ▁a ▁her itage ▁building ▁by ▁the ▁New ▁Zealand ▁Historic ▁Places ▁Trust ▁on ▁ 7 ▁April ▁ 1 9 8 3 ▁with ▁registration ▁number ▁ 4 8 ▁class ified ▁as ▁A . ▁With ▁the ▁change ▁of ▁the ▁classification ▁system , ▁the ▁building ▁later ▁became ▁a ▁Category ▁I ▁listing . ▁ ▁Architecture ▁The ▁design ▁of ▁the ▁building ▁is ▁relatively ▁simple . ▁Prior ▁to ▁the ▁ 1 9 8 9 ▁extension , ▁the ▁plan ▁was ▁a ▁rectangle . ▁From ▁the ▁quad rangle , ▁the ▁vie wer ▁sees ▁solid ▁but tr esses , ▁rows ▁of ▁l anc et ▁windows ▁and ▁a ▁ste ep ly ▁pitch ed ▁roof . ▁The ▁roof ▁pitch ▁allowed ▁for ▁the ▁heavy ▁snow ▁falls ▁that ▁the ▁Can ter bury ▁Association ▁wrong ly ▁expected ▁in ▁Can ter bury . ▁The ▁pattern ▁in ▁the ▁roof ▁t iles ▁is ▁believed ▁to ▁have ▁been ▁added ▁in ▁ 1 8 9 6 . ▁While ▁in ▁use ▁as ▁a ▁school , ▁the ▁interior ▁was ▁glo omy , ▁according ▁to ▁a ▁ 2 1 st ▁century ▁source , ▁as ▁the ▁windows ▁were ▁white w ashed . ▁ ▁See ▁also ▁ ▁List ▁of ▁historic ▁places ▁in ▁Christ ch urch ▁ ▁References ▁ ▁Category : N Z HP T ▁Category ▁I ▁list ings ▁in ▁Can ter bury , ▁New ▁Zealand ▁Category : 1 8 6 3 ▁in ▁New ▁Zealand ▁Category : L ibr aries ▁in ▁Christ ch urch ▁Category : Sch ools ▁in ▁Christ