 Currently , Wales play all their home matches at the 74 @,@ 500 capacity Millennium Stadium , Cardiff , which is also Wales ' national stadium . The Millennium Stadium was first conceived in 1994 , when a group redevelopment committee was set up . It was decided to replace the National Stadium at Cardiff Arms Park after a review found it was out of date ; new legislation also required stadia to be all seated . Construction began in September 1997 , and was completed by June 1999 , in time for the Rugby World Cup . The construction cost the WRU £ 126 million , which was funded by private investment , £ 46 million of public funds from the National <unk> , the sale of <unk> to supporters ( which offered guaranteed tickets in exchange for an interest @-@ free loan ) , and loans . While the new ground was being built , Wales used the old Wembley Stadium for their home matches – a deal <unk> during construction of the new Wembley , when FA Cup finals were held at the Millennium Stadium . 
