Situated on the waterfront in Cardiff Bay housing the National Assembly for Wales’ Siambr and Committee Rooms.


see doY 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. It is one of the most environmentally friendly parliament buildings in the world, where visitors can gain an insight into the workings of the Assembly The Senedd is completely transparent at the public level and sits on a slate plinth which steps upwards from the waterfront and houses the private spaces of the building. A lightweight, gently undulating roof shelters both internal and external spaces and is drawn down to form a funnel-like enclosure over the Siambr.

By road

Leave the M4 at junction 33, follow the A4232 to Cardiff Bay and follow signposts to National Assembly for Wales. The nearest car parks are at Cardiff Waterside, next to the Wales Millennium Centre, and at Mermaid Quay. Parking is available in the Assembly car park for visitors who are disabled by prior arrangement. In the case of visitors who are attending meetings with Assembly Members, Ministers or officials, arrangements should be made with their offices. In the case of visitors attending Plenary Meetings, Committee Meetings or a pre-arranged visits to the Senedd, parking can be arranged through the Assembly switchboard on 0845 010 5500. Visitors must be display their disabled parking badge on arrival.

Public transport

By bus: The baycar bendy bus leaves from Cardiff Queen Street Station, Dumfries Place, Greyfriars Road, St. Mary Street or Cardiff Central Rail Station every 10 minutes and stops at both Pierhead Street and outside the Wales Millennium Centre adjacent to the Senedd. Routes 7, 8 and 11 depart from Castle Street or Westgate Street and operate every 15 minutes and stop on Pierhead Street, a short walk (approximately 200 metres) from the Senedd and the Pierhead building. Alternatively, from Cardiff central bus station, routes 35 and 36 depart from stand E1 and operate every 20 minutes to the Wales Millennium Centre adjacent to the Senedd. By train: Services run every 20 minutes from Cardiff Queen Street Station to Cardiff Bay Station. The station is a few minutes walk from the Senedd and the Pierhead building. For more information contact National Rail Enquiries on 08457 48 49 50 or visit



+44 (0)300 200 6565



National Assembly for Wales
Pierhead Street
Cardiff Bay
CF99 1NA