8 6 9 . ▁After ▁closure , ▁much ▁of ▁the ▁land ▁was ▁retained ▁by ▁the ▁War ▁office ▁as ▁storage ▁space ▁for ▁the ▁Or dn ance ▁St ores ▁Department , ▁based ▁at ▁the ▁nearby ▁Royal ▁Ar sen al ; ▁general ▁items ▁( including ▁bar rack ▁stores , ▁acc out re ments ▁and ▁har ness ) ▁were ▁moved ▁to ▁the ▁D ock yard , ▁while ▁' war like ▁stores ' ▁remained ▁in ▁the ▁Ar sen al . ▁W are h ouses ▁were ▁built ▁across ▁much ▁of ▁the ▁site ▁and ▁existing ▁buildings ▁were ▁converted ▁to ▁provide ▁storage ▁space . ▁A ▁narrow - g au ge ▁railway ▁system ▁served ▁the ▁complex , ▁linked ▁by ▁way ▁of ▁a ▁tunnel ▁under ▁W ool wich ▁Church ▁Street ▁to ▁the ▁North ▁Kent ▁Line ▁( which ▁itself ▁was ▁linked ▁into ▁the ▁Royal ▁Ar sen al ▁Railway ); ▁the ▁tunnel ▁remains ▁in ▁situ ▁for ▁use ▁by ▁ped est ri ans . ▁▁ ▁In ▁ 1 9 0 5 ▁an ▁Army ▁Service ▁Corps ▁dep ot ▁was ▁established ▁on ▁the ▁old ▁D ock yard ▁site ▁( the ▁Corps ▁headquarters ▁was ▁nearby ▁in ▁Con n aught ▁Bar ra cks ). ▁During ▁the ▁First ▁World ▁War ▁the ▁site ▁accommod ated ▁the ▁country ' s ▁largest ▁Army ▁Pay ▁Office ▁alongside ▁the ▁ord n ance ▁dep ot , ▁as ▁well ▁as ▁units ▁of ▁the ▁Army ▁Service ▁Corps ▁and ▁the ▁Army ▁Or dn ance ▁Corps . ▁ ▁In ▁ 1 9 2 6 ▁the ▁western ▁part ▁of ▁the ▁site ▁was ▁sold ▁to ▁the ▁Royal ▁Ar sen al ▁Co - oper