Where does modular construction save carbon?

Modular construction offers a significant reduction in carbon emissions when compared to traditional construction. The gains are primarily achieved through improved transport, construction impacts, repair, maintenance, and deconstruction.

Significant savings are unlikely to come from embodied carbon specifically, due to the similarity in materials used.

Modular buildings can be disassembled, and the modules relocated or refurbished for new use. This has positive implications within a Life Cycle Assessment (LCA) through a reduction of ‘in use’ and ‘end of life’ emissions.

Construction site impacts and construction transport emissions within the LCA are reduced. This is because time spent on site is significantly reduced and fewer vehicles are needed to deliver products, which in turn reduces emissions.

Waste can be significantly reduced, with as much as 50% less waste compared to traditional building sites. It makes building processes more efficient and enhances quality control as the buildings are manufactured under tightly controlled factory conditions. This minimises the use of materials and supports the reduction of construction waste.