1 Appold Street sits on the southwest corner of Exchange Square, to the north of Liverpool Street Station. The c.190,000sq.ft. existing building, built in 1989 by SOM Architects, is primarily let to Deutsche Bank. A study was undertaken at Stage 0 to explore development options ranging from basic refurbishment through to demolition and new construction. Of the options considered, a comprehensive refurbishment and extension were preferred. One of the innovations being proposed is to challenge the industry norms on structural capacity.