The 1908 auditorium and foyer sustained considerable damage during the February 2011 Christchurch earthquake and the June aftershock . The Theatre was closed for nearly four years while the restoration took place . At a cost of $ 40 million the Theatre was completely restored and brought up to current building code requirements . All of the significant architectural elements were rescued and restored by skilled craftsmen . The newly restored Theatre opened on 17 November 2014
June aftershock
June 2011 Christchurch earthquake
Isaac Theatre Royal