Cardiff conference venues
Conference and event venues in Cardiff, each profiled from the venue's own published information with a link to its official source.
The directory lists 12 conference and event venues in Cardiff, including Cardiff Castle, Cardiff City Hall and Cardiff City Stadium. All were last checked on 26 October 2026.
Venues in Cardiff
Cardiff Castle
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Cardiff Castle offers the Banqueting Hall, Undercroft and Guest Tower Rooms for events, with capacities of up to 120 for dancing in the Undercroft. Up to 120
Cardiff City Hall
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Cardiff City Hall offers an Assembly Room for 600 conference delegates, plus a Marble Hall, Lower Hall and Syndicate Rooms in Cardiff's civic centre. Up to 600
Cardiff City Stadium
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Cardiff City FC's stadium in South Wales offers conference and event space, with catering by Levy UK & Ireland and links via the M4. Up to 750
National Museum Cardiff
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National Museum Cardiff offers event hire in the Grand Hall, Galleries, a lecture theatre and meeting rooms, with conferences of up to 300 people. Up to 300
Principality Stadium
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Cardiff stadium offering conference and banqueting hire for meetings, exhibitions, balls and weddings, close to Cardiff Central station.
Techniquest
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Science discovery centre in Cardiff Bay hiring event spaces for up to 800 guests, including a theatre, planetarium and meeting rooms.
The Coal Exchange Hotel
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Cardiff hotel with 74 bedrooms and two ground floor event spaces, the Grand Hall (up to 600 standing) and the Carruthers Suite. Up to 600 · 2 spaces · 74 bedrooms
Utilita Arena Cardiff
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Indoor arena in Cardiff with secondary event spaces for 4 to 450 guests, in-house catering, audio visual equipment and day delegate packages on request. Up to 450
Wales Millennium Centre
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Arts venue in Cardiff Bay offering event spaces including the Donald Gordon Theatre, Cabaret, Japan Room and Preseli Room, with on-site technical and IT support.
Cardiff Marriott Hotel
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Cardiff hotel with six refurbished meeting and event spaces, including the Cardiff Suite and St. 6 spaces
Insole Court
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Grade II listed mansion house in Llandaff, Cardiff, offering room hire across mansion and stable yard spaces, run by the Insole Court Trust.
byCaerdydd Venues, Cardiff University
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byCaerdydd Venues offers Cardiff University spaces for conferences, meetings, parties and private dining, plus summer accommodation and sports camps.