In a research note, Nomura analysts said they expected the pound to hit $0.975 by year-end and $0.95 in the first quarter. It hit a record low of $1.0327 earlier on Monday.

"This is a fundamental balance of payments crisis, with politicians hoping it will eventually just calm down. Hope is not a strategy, and markets are reflecting that," Nomura analysts said.

(Reporting by Dhara Ranasinghe; Editing by Tommy Reggiori Wilkes)