This thesis is an exploration of visionary realism with a focus on what to improve in a sketching phase by showcasing that life cycle assessment, LCA, can be implemented into an iterative and integrated design process. To this avail, it is tested if it is still possible to build monumental spaces with low global warming potential, GWP, scores.

A sustainability center with a focus on humble monumentality, democracy, tectonics, and time was consequently designed, and to assess it a main component of a LCA tool was developed in collaboration with C.F. Møller architects. This will allow for an integrated workflow between rhino and LCAByg. LCA will become a requirement in the Danish building regulations as of 2023, and the tool will therefore have practical significance. The result is a building for people to assemble with a strategy integrated into the structure that allows it to be disassembled.

The LCA script is applied along with a focus on monumentality in a sustainable future and concludes that it is still possible to build large and monumental spaces within the GWP limits of building regulation rules and the Danish sustainability class. However, it requires strategy and significant optimization to achieve the lower scores since GWP is measured in m2. Furthermore, design for disassembly, DfD, is integrated to show the lack of motivation for circular incentive in an LCA, and to demonstrate its potential to improve the lifetime of a building and its materials further.