[2] Dating from at least the 1770s, the building was extended c. 1790,[2] when a new wing was added by Sir Hugh O'Reilly, probably attributable to the amateur Thomas Wogan Browne, who was also responsible for Malahide Castle, the home of Sir Hugh O'Reilly's sister Margaret.
Artists who have performed there since 2006 include Kenny Rogers, Van Morrison, Pet Shop Boys, Tiesto, Alexandra Burke and Dwight Yoakam.
[citation needed] The Nugent family leased the lands of Ballinlough Castle to the music festival Body & Soul every year since 2010.
The rooms have what may be the tallest windows in a private house of this period, overlooking the woods and lake.
[citation needed] The gardens, together with the lakeside and woodland walks, are no longer open to the public.