The £35m project will transform IWM London by creating new First World War galleries in time for 2014.

The main atrium will also be revamped as part of the project.

Lend Lease will manage the procurement and delivery of the trade packages for the base build, which may also include enabling works, demolition and exhibition fit out elements as required.

The galleries will be 45% larger than the museum’s existing First World War areas enabling the museum to display much more of its world renowned collection.

Original objects such as personal items, letters and diaries will be exhibited in new interactive, multimedia displays which explore the personal stories of those who lived, fought and died in the First World War.