[citation needed] The Caen stone used on the façade of the third building proved unsuitable in the London atmosphere and had to be completely replaced in 1923–24.

The Chief Whip, David Margesson, who was living at the club since his recent divorce, was left homeless and had to sleep for a time on a makeshift bed in the underground Cabinet Annexe.

The current clubhouse has not retained any of the furnishings belonging to the building when it was Arthur's club, apart from the war memorial plaque in the entrance.

There is a marble Arthur's club First World War Memorial to be found on the wall by the stairs in the main vestibule of St James's Church Piccadilly (designed by Wren).

The erection of the new clubhouse on the site of 30 Pall Mall in a modern 1960s prototype 'club of the future' led to mass resignations from that club.

[citation needed] At 8:39 p.m. on 25 June 1990, the Carlton Club was bombed by the Provisional Irish Republican Army (IRA), injuring more than 20 people.

[11] It was at the Carlton that Chris Pincher, the deputy chief whip, was alleged to have committed sexual assault on two men on 29 June 2022.

Pincher initially intended to appeal the suspension, however he ultimately resigned as an MP in September 2023, triggering a by-election in his Tamworth constituency which the Conservatives lost to Labour.

[12] A separate, unrelated Ladies' Carlton Club was established after the First World War as a social and political centre for Conservative women.