Canary Wharf Group plc is a British property company headquartered in London, England. It is the owner and developer of nearly 100 acres of property at Canary Wharf and elsewhere in London. Over the last 10 years it has constructed more office space in London than any other developer. The group owns 7,900,000 square feet of property which is worth £4.9 billion, of which 95.6% was let as of 30 June 2012.