Planning Theory & Practice provides an international focus for the development of theory and practice in spatial planning and a forum to promote the policy dimensions of space and place. Planning Theory & Practice aims to challenge theory and change practice and is distinctive in its commitment to publishing content which combines intellectual rigour with practical impact.The Editors invite theoretically informed and robustly researched papers which raise issues at the leading edge of planning theory and practice. Papers on controversial subjects are welcomed and supported. Authors are requested to draw out the wider significance of their particular contribution and to write for a broad disciplinary and international audience.