As the largest and most diverse university in Ireland, UCD has a rich history that dates back to its origins as the Catholic University of Ireland in 1854, founded by the renowned Cardinal John Henry Newman, author of the influential "The Idea of the University". 

Located at the heart of South Dublin, UCD has been continuously evolving its campus since the 1960's, culminating in a modern 300-acre haven in Belfield. The state-of-the-art campus provides and exceptional setting for conferences, meetings, and a range of events. In response to the growing demand for outstanding facilities, the University recognised the need for a magnificent great hall in the 1990's, specifically designed to accommodate conferrings, conferences and alumni events.


Designed by Scott Tallon Walker Architects, O'Reilly Hall is an exceptional venue that effortlessly combines the ceremonial significance of the building with a classically refined aesthetic. Since its grand opening in 1994, O'Reilly Hall has been a symbol of unrivaled sophistication and unparalleled functionality. 

The main hall boasts retractable seating, providing a versatile space that can effortlessly accommodate up to 1062 people for conferences, conferrings and various events. The venue's flexibility shines through as the main hall can be subdivided into three smaller chambers, adapting to your specific event requirements with ease. 

An impressive 7m high floor-to-ceiling glass Conservatory allows attendees to gaze upon the UCD Lake and serves as a charming assembly and reception area before and after events. This inviting space adds an extra touch of charm and tranquility, ensuring that every moment spent at O'Reilly Hall is truly unforgettable.



In collaboration with our trusted partners, Scott Tallon Walker Architects, The UCD University Club was opened in 2019 to create a captivating space that exudes elegance and warmth, catering to delegates, members, and esteemed guests.

Seamlessly connected to O'Reilly Hall by adjoining corridor, The UCD University Club was envisioned as a means to elevate the University's reputation by offering a welcoming and collegial environment. It serves as a bridge between the University, its alumni, and the wider community it proudly serves. 

Spanning across two floors, our Suites are meticulously designed to meet the diverse needs of both business and social gatherings. With a flexible layout, these stylish spaces are perfect for meetings, workshops, events, and private dining. Whether you're hosting a small gathering or a larger affair, The UCD University Club can comfortably accommodate anywhere from 2 to 100 people, ensuring a tailored setting for your event. 

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