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In addition, despite the fact that all of the science repeatedly tells us that nuclear is the lowest carbon, clean energy source available, the European sustainable finance taxonomy has remained in a state of consideration for years about whether nuclear energy actually qualifies as green..

In some cases, building off-site in a factory may even be less efficient than on-site construction.For example, prefabricated 3D modules (used in modular construction) involve many additional costs compared to conventional build.

These include transportation (a pre-fabricated room is mostly air, after all) and heavy plant for lifting modules into place.Unless modules are fabricated on a just-in time basis they also have to be stored which costs money, especially if that storage needs to be sheltered from the elements.3D modules also occupy large amounts of factory floor space and therefore absorb a high proportion of factory overheads..

If these additional modular construction costs can be offset by large improvements in construction site efficiency, for example by relocating wet trades or complex specialist trades away from the site, a 3D module might make sense.But, with modular construction, it’s often the case that prefabricating comparatively simple parts of a building as 3D modules adds cost and complexity, especially if the required trades need to be present on-site anyway..

The problems found in modular construction are only compounded by inefficient factory working.

The cost of any prefabricated component (indeed, any component of any building) can be divided into materials and labour.Off-site manufacture for construction: Building for change.

, a report from the House of Lords Science and Technology Select Committee.The formation of the Construction Innovation Hub in 2018 and its.

Defining the Need.report, published in 2020.