This document provides an introduction to the Urban Design Compendium. It discusses the importance of urban design in creating high quality places where people want to live and work. The Compendium aims to provide guidance to those involved in development and regeneration projects on how to achieve good urban design. It reflects best practices from the UK and abroad. Both English Partnerships and the Housing Corporation emphasize the importance of design quality in their projects. The Compendium is intended to guide their policy and projects, as well as inform all those involved in new development and regeneration more broadly. It should be used alongside the companion publication "Urban Design Compendium 2: Delivering Quality Places".