5 June 2014, 11:52
The flagship Oxford Street store will spend £300 million pounds expanding and developing.
It's the biggest ever investment by a department store on one project.
They've hired the team behind the design of the One Pancras Square building in King's Cross, that features almost 400 iron columns, to oversee the work.
The handbag section will grow to 50,000 square foot on the building's ground floor, and there'll be a new double entrance on Duke Street.
Work is due to start on the redevelopment project next month, and will take five years to complete.