This project is part of the Nordic Sustainable Construction programme and its work package "Nordic harmonisation of life cycle assessment". The aim of the Nordic Harmonisation of Life Cycle Assessment’ is to work towards harmonising normative methods for building LCAs in the Nordic countries so that design and construction companies will be able to offer low carbon solutions in all the Nordic countries. The project consist of 5 sub task and project focuses of last one, task 5. The first task of this acceleration project is to increase the know-how in the market through low carbon clinics for selected new construction projects in Nordic countries and in Estonia. The aim of the clinic is to improve decarbonisation of new construction. The second task of the project is to draft a catalogue of the best low carbon buildings located in each of the Nordic countries and in Estonia.