James Lees-Milne was not impressed by the house when he visited it in 1943, noting the "ugly" grey stone and calling it "grim and forbidding".

[5] In 1975 a devastating fire struck Inveraray and for some time the 12th Duke and his family lived in the castle's basement, while restorations were carried out, funded by a worldwide fundraising drive.

[5] His Grace The 13th Duke of Argyll and his family live in private apartments in the castle, which occupy two floors and are set between two of the four crenellated circular towers.

Recent renovations included the installation of the house's first central heating system, powered by burning wood-chips from the family's forestry holdings.

[1] Besides welcoming visitors to the castle, the estate's activities include commercial forestry, tenanted farming, wind and hydro power, and deer stalking.

[5] Other productions included An American Aristocrat's Guide to Great Estates,[7][8] the BBC miniseries A Very British Scandal,[9] and The Diplomat (2024).