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Senedd history

The National Assembly for Wales Senedd and The Pierhead at Cardiff Bay. 

The Senedd, which was opened in 2006, is situated in a prime position on the waterfront in Cardiff Bay. It houses the National Assembly for Wales’ Siambr (debating chamber) and Committee Rooms.

See also: Visiting the Senedd

Project history



From the design competition that followed the devolution referendum result to the official opening of the Senedd, this section chronicles the history of building a home for the National Assembly for Wales.

Key environmental features



The design team adopted an holistic approach, which yielded an environmental design that uses natural ventilation and passive systems to heat and cool the building.

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