transform an unfinished raw construction interior into a refined contemporary residential space preserve the original staircase geometry railing and all existing wooden structural elements strictly without alteration place a modern freestanding wood burning stove centrally within the staircase void inspired by scandinavian design similar to j tul with a slim black steel chimney rising vertically through the middle of the staircase space up to the ceiling remove all temporary protective fabrics from the stair treads add modern suspended pendant lighting with clean lines and warm ambient light enhancing verticality and spatial depth under the staircase create an intimate lounge corner a contemporary lounge armchair subtle indirect lighting and a built in minimalist bookshelf forming a cozy reading nook floor finish seamless poured epoxy resin flooring in a soft beige grey tone matte or satin finish overall atmosphere fresh modern original elegant yet warm clearly reflecting a timber frame family house lighting should be natural and balanced combining daylight with warm artificial light producing a representative high end architectural render style references contemporary scandinavian architecture modern alpine interior restrained material palette calm and timeless design high realism architectural visualization quality natural materials soft shadows clean composition