LaSalle signs pair of pre-lets totalling 238,000 sq ft at flagship City office scheme Digital Edition: LaSalle signs pair of pre-lets totalling 238,000 sq ft at flagship City office scheme LaSalle Investment Management (LIM) has secured two major pre-lets totalling 238,000 sq ft at flagship City of London office development One Exchange Square. Already registered or subscriber? Please log in to continue reading Unlock my 9 Free Articles ->> Ready for more? Subscribe today for unlimited access to the UK’s most trusted property intelligence. Check if you already have access from your company or university