Situated on the ground floor next to the Norfolk Pavilion, the 33m x 14m Ardingly Room is the largest of the function rooms. Floor to ceiling patio doors open out onto a covered terrace and lawn area overlooking the Ardnigly Ring.

Inside the large dance floor with carpeted surround and bar area is ideal for receptions and parties incorporating musical entertainment. The room can be augmented to accomodate larger conferences and gatherings by utilising the adjoing Kleinwort Farmers Suite and the Bernard Sunley Room, including their use as break-out rooms. Floors to ceiling dividers can be utilised to cater for smaller functions.