Construction phase greenhouse gas emissions are most important emission sources of new buildings from the perspective of climate change targets. Energy efficiency improvements have highlighted the role of such emissions. Although living environment of detached houses have been criticized from the greenhouse gas perspectives, it is shown that this may not be justified. In addition, detached houses offer a great way for major reduction of construction phase emissions of buildings. In the study it is presented that through building material supply chain management of detached houses, it is possible to achieve the construction emission level of below 40%in relationship to average emission level of new buildings.