It was first occupied by HM Treasury , whose offices elsewhere in the palace had been destroyed , until the Treasury moved to a new building on Horse Guards Road in 1734 .
The Cockpit was used to house government officials .
Cockpit was first occupied by HM Treasury , whose offices elsewhere in the palace had been destroyed , until the Treasury moved to a new building on Horse Guards Road in 1734 .
The Cockpit was used to house government officials .