A karkashin gyare-gyare da aka yi a shekarar 1999, Majalisar Commons tana amfani da Babban Kwamitin da ke kusa da Westminster Hall a matsayin ƙarin ɗakin muhawara. (Ko da yake ba shi da wani ɓangare na babban zauren, ana yawan magana da ɗakin kamar haka.) An shimfiɗa wurin zama a cikin siffar U, sabanin babban zauren, wanda aka sanya benen da juna. Wannan tsari yana nufin ya nuna yanayin da ba na siyasa ba na muhawara da aka gudanar a Westminster Hall. Tambaya: Yaushe aka yi gyare-gyare?
Shekarar 1999