This document is a design development report for public realm improvements to the Greville Street precinct in the City of Stonnington. It provides plans, renders and descriptions for improvements organized into 6 stages. Stage 1 involves upgrades to Grattan Gardens, while Stage 2 focuses on creating a shared zone on Greville Street. Later stages involve closing King Street to vehicles and creating another shared zone on Porter Street. The report includes details on proposed materials, furniture, lighting and landscaping to guide the precinct upgrades.