As cities and towns are being rethought and revamped, Estates Gazette and Avison Young brought together a group of built environment stakeholders to discuss the challenges in urban regeneration, the new thinking they need to show, and the changing mixes of asset classes being brought into focus in new visions.Listen to the panel, conducted at the UKREiiF conference, to hear insight from: Hattie Charlier-Poole, senior development manager, Henley Investment Management Chris Cheap, principal, managing director transactions, Avison Young Matt Cross, deputy director of markets and regions, Department for Business & Trade Mona Hassan, chair, Liverpool City Region Future Impact Board William Scoular, head of business development, Investec  Tom Sleigh, chair of the planning and transportation committee, City of London CorporationChaired by Tim Burke, Estates Gazette's editor