German fund manager Hansa Invest is reportedly set to buy the 125-year leasehold interest in the new City of London development, One London Wall, from UK developer Hammerson and Japanese construction firm Kajima. According to UK real estate publication Property Week, Hansa Invest is spending some £145 mln for the 204,000 sq ft (19,000 m2) multi-let office building. The transaction is said to reflect a yield of 5.25%.