Upon opening in January 1965, there was a rooftop restaurant with a view over the city, but it was closed in July 1966 and the space was converted into an office for Byrne.

[6] On 26 November 1972, loyalists planted a bomb outside the rear exit door of the Film Centre Cinema, at O'Connell Bridge House, injuring 40 people.

[7] A 12-storey concrete and glass tower faced in Portland stone designed by Desmond FitzGerald.

[8] On its north face is a clock and a large advertising space; it has in the past bore the names of Guinness and Sony, and now holds Heineken.

However, because of its scale and location, O'Connell Bridge House makes probably the single most brutal intrusion into Dublin's urban design - more serious, even, than Liberty Hall.