▁in ▁ 1 9 6 8 ) ▁in ▁W omb well , ▁South ▁York shire . ▁It ▁is ▁an ▁" un us ual , ▁possibly ▁unique " ▁use ▁of ▁the ▁system ▁in ▁Catholic ▁church ▁design . ▁W omb well ▁is ▁pr one ▁to ▁min ing ▁subs idence ▁and ▁the ▁original ▁church ▁on ▁the ▁site ▁was ▁condem ned ▁only ▁ten ▁years ▁after ▁it ▁was ▁built . ▁ ▁Railway ▁stations ▁Between ▁the ▁late ▁ 1 9 6 0 s ▁and ▁the ▁early ▁ 1 9 7 0 s , ▁the ▁CL AS P ▁system ▁was ▁implemented ▁by ▁British ▁Rail ▁for ▁the ▁functional ▁simpl ification ▁of ▁facilities ▁at ▁railway ▁stations . ▁Many ▁stations , ▁particularly ▁in ▁the ▁former ▁Southern ▁Region , ▁had ▁their ▁original ▁station ▁buildings ▁replaced ▁by ▁pre fab ric ated ▁concrete ▁structures . ▁ ▁As best os ▁in ▁CL AS P ▁buildings ▁CL AS P ▁buildings ▁fell ▁out ▁of ▁favour ▁in ▁the ▁late - 1 9 7 0 s . ▁Bud get ary ▁adv ances ▁and ▁changing ▁architect ural ▁t ast es ▁made ▁the ▁scheme ▁ob sole te , ▁but ▁the ▁troubles ome ▁legacy ▁of ▁as best os ▁still ▁cast s ▁a ▁shadow ▁over ▁many ▁public ▁buildings . ▁Ar ound ▁ 3 , 0 0 0 ▁CL AS P ▁buildings ▁are ▁still ▁in ▁use ▁across ▁Britain , ▁pos ing ▁real ▁problems ▁for ▁local ▁authorities ▁and ▁duty hold ers ▁al ike . ▁It ▁can ▁be ▁tempt ing ▁to ▁dis reg ard ▁CL AS P ▁building ▁as ▁a ▁by g one ▁problem , ▁but ▁doing ▁so