es ▁were ▁admitted , ▁and ▁from ▁ 1 9 4 8 ▁only ▁male ▁patients ▁were ▁admitted . ▁From ▁ 1 9 6 3 , ▁the ▁house ▁was ▁used ▁primarily ▁as ▁a ▁location ▁for ▁films ▁and ▁television , ▁including ▁F utto ck ' s ▁End ▁with ▁Ron nie ▁B ark er . ▁ ▁It ▁was ▁converted ▁into ▁a ▁hotel ▁in ▁ 1 9 7 0 . ▁It ▁was ▁featured ▁in ▁John ▁Bet j eman ' s ▁acc laimed ▁television ▁document ary ▁Metro - Land ▁( 1 9 7 3 ). ▁ ▁The ▁hotel ▁was ▁seen ▁in ▁an ▁off ▁set ▁episode ▁of ▁East End ers ▁in ▁ 2 0 0 3 . ▁ ▁The ▁house ▁and ▁its ▁gate house ▁are ▁both ▁listed ▁buildings . ▁ ▁H arrow ▁Council ▁own s ▁the ▁building ▁and ▁the ▁remaining ▁ 3 0 ▁acres ▁of ▁the ▁estate ▁and ▁has ▁le ased ▁them ▁to ▁the ▁hotel ▁since ▁ 1 9 7 0 . ▁ ▁The ▁hotel ▁and ▁estate ▁were ▁ref urb ished ▁in ▁ 1 9 9 6 ▁at ▁a ▁cost ▁of ▁£ 3 ▁million . ▁Pres ent ations ▁of ▁Gilbert ▁and ▁S ull ivan ▁oper as ▁and ▁other ▁entertain ments ▁are ▁regularly ▁held . ▁ ▁The ▁remainder ▁of ▁the ▁lands ▁have ▁been ▁separated ▁from ▁the ▁hotel ▁and ▁are ▁being ▁sold ▁by ▁H arrow ▁Council ▁as ▁" Gr ims dy ke ▁Farm ". ▁ ▁The ▁name ▁Gr im ' s ▁Dy ke ▁is ▁sometimes ▁used ▁to ▁refer ▁to ▁a ▁nearby ▁earth work ▁known ▁as ▁Gr im ' s ▁D itch ▁which