▁Gate , ▁east ▁of ▁the ▁area ▁later ▁known ▁as ▁W ool wich ▁D ock yard . ▁The ▁site ▁consisted ▁of ▁one ▁or ▁more ▁rud iment ary ▁dry ▁do cks , ▁a ▁long ▁store house ▁( for ▁canvas , ▁rig ging ▁and ▁other ▁materials ) ▁and ▁a ▁small ▁ass ort ment ▁of ▁other ▁buildings . ▁Like ▁its ▁counter part ▁De pt ford ▁D ock yard , ▁W ool wich ▁was ▁probably ▁chosen ▁for ▁its ▁position ▁- ▁on ▁the ▁south ▁bank ▁of ▁the ▁tid al ▁River ▁Th ames ▁convenient ly ▁close ▁to ▁Henry ' s ▁palace ▁at ▁Green wich ▁- ▁and ▁for ▁its ▁proxim ity ▁to ▁deep ▁water . ▁Several ▁other ▁ships ▁were ▁built ▁here ▁after ▁Great ▁Harry , ▁but ▁in ▁the ▁ 1 5 2 0 s ▁ship building ▁appears ▁to ▁have ▁ceased ▁( the ▁site ▁may ▁have ▁been ▁pr one ▁to ▁flo oding , ▁a ▁problem ▁that ▁caused ▁the ▁closure ▁of ▁another ▁Royal ▁D ock yard ▁further ▁down stream ▁in ▁Er ith ▁at ▁around ▁this ▁time ). ▁By ▁ 1 5 4 0 , ▁however , ▁the ▁royal ▁ship w right s ▁had ▁begun ▁operating ▁on ▁higher ▁ground ▁further ▁to ▁the ▁west ▁at ▁what ▁was ▁to ▁become ▁the ▁permanent ▁site ▁of ▁the ▁D ock yard , ▁where ▁a ▁pair ▁of ▁dry ▁do cks ▁( al ready ▁in ▁situ ▁and ▁known ▁as ▁" B ought on ' s ▁D ock s ") ▁formed ▁the ▁centre ▁of ▁operations . ▁The ▁site ▁was ▁purchased ▁by ▁the ▁Crown ▁in ▁ 1 5 4 6 ▁and ▁in ▁the