▁of ▁five ▁large ▁Edward ian ▁psych iat ric ▁hosp it als , ▁commonly ▁known ▁as ▁the ▁E ps om ▁Cl uster . ▁ ▁Most ▁of ▁the ▁hosp it als ▁closed ▁in ▁the ▁ 1 9 9 0 s ▁and ▁early ▁ 2 0 0 0 s , ▁although ▁psych iat ric ▁services ▁are ▁still ▁offered ▁on ▁parts ▁of ▁the ▁H orton , ▁West ▁Park , ▁St . ▁E bb a ' s ▁and ▁Man or ▁Hospital ▁sites . ▁ ▁The ▁hosp it als ▁were ▁( in ▁order ▁of ▁date ▁of ▁opening ): ▁ ▁Man or ▁Hospital ▁( 1 8 9 9 ) ▁ ▁St ▁E bb a ' s ▁Hospital ▁( 1 9 0 2 ) ▁ ▁H orton ▁Hospital ▁( 1 9 0 3 ) ▁ ▁Long ▁Gro ve ▁Hospital ▁( 1 9 0 7 , ▁an ▁exact ▁duplicate ▁of ▁H orton ▁Hospital ▁to ▁save ▁construction ▁time ) ▁ ▁West ▁Park ▁Hospital ▁( const ruction ▁started ▁ 1 9 1 2 , ▁used ▁as ▁a ▁military ▁hospital ▁from ▁ 1 9 1 6 ▁and ▁officially ▁opened ▁in ▁ 1 9 2 1 ) ▁ ▁The ▁hosp it als ▁were ▁built ▁in ▁close ▁proxim ity ▁to ▁each ▁other ▁on ▁a ▁ ▁estate ▁on ▁part ▁of ▁E ps om ▁Common , ▁which ▁the ▁London ▁County ▁Council ▁bought ▁to ▁solve ▁the ▁over c row ding ▁problems ▁experienced ▁in ▁its ▁other ▁hosp it als . ▁The ▁hosp it als ▁shared ▁a ▁central ▁' engine ering ▁works ' ▁next ▁to ▁Long ▁Gro ve , ▁which ▁supplied ▁all