[4] The design involved a symmetrical main frontage with five bays facing onto College Hill; the central section featured a tetrastyle portico with Doric order columns supporting a frieze with triglyphs and a pediment: the building was faced with Armagh limestone.

[3] On 3 September 1993, a 1,000 lb bomb exploded directly outside the courthouse causing major structural damage to the roof, façade and walls.

[3] The main courtrooms were damaged and in the force of the blast one of the pillars was moved back a full 9 inches.

[8][9] The courthouse was the venue for the trial and conviction of Robert Black for the murder of Jennifer Cardy in September 2011.

[10][11] In May 2012 the justice minister, David Ford, said that he accepted an inspection report recommending that the Armagh Courthouse should close in a proposed rationalisation of the court system.