This publication summarises activities and reports in the third APEC LCMT symposium. The symposium was held on 21-22 October 2019 in San Borja municipality of Lima, Peru as part of the APEC Low Carbon Model Town (LCMT) project in its dissemination phase 2. The report includes six main sections to cover the project’s background, objective, activity description, logistical management and other related information.Summary reports of the first and second symposium were also included as references.