The document outlines the NewTrend project, a Horizon 2020 initiative focused on developing an integrated design methodology for energy-efficient building retrofits across Europe. The project, which spans from September 2015 to August 2018 with a budget of €4.7 million, involves 13 organizations from 7 countries and aims to create a toolkit for supporting all phases of the refurbishment process. Validation of the project will occur through design projects in Hungary, Spain, and Finland, engaging design teams throughout the process.