15 Bishopsgate forms part of the Tower 42 Estate. The proposed development is a high quality mixed-use development, replacing and expanding the existing accommodation and improving the surrounding public realm. The new building provides circa 50,000 sq ft of Cat A office accommodation and 22,000 sq ft of ground floor retail.

FIS supported Veretec and Multiplex with the strucutural waterproofing design which was installed by Amery Construction. The waterproofing element involved primarily treatment of the existing structure, however it included treatment of the new core and other penetrations through the existing structure