The infill project has a modern look with materials such as dark facade panels, untreated wood, glass and zinc. The modern architectural appearance contrasts and accentuates the neighbouring architecture. The different height on the flat roof and the roof corresponds to the height of both neighbouring buildings and forms a natural extension of the street's façade. Towards Sofienbergparken is Helgesensgate characterized by diversity in terms of materiality and architectural expression. The design conforms well into and enriches the streets - and environmental architectural expression.