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.

Design Concepts

Find out more about the architects’ original design brief for this landmark building, and the key principles behind creating an open, transparent building for the National Assembly for Wales.

Project History

Follow the progress of the Senedd from initial idea to the finished building, including images of the building work progressing and the official opening ceremony that took place on St. David’s Day 2006.