One New Change is a major office and retail development in London, United Kingdom. It comprises 560,000 square feet (52,000 m2) of floor space, including 220,000 square feet (20,000 m2) of retail space and 330,000 square feet (31,000 m2) of office space and is the only large shopping centre in the City of London, the historic nucleus and modern financial centre of London. It cost £500 million to build and was completed in October 2010.