To satisfy a truly green portfolio assessing whole life "cradle to grave" carbon emissions is vital. With LCA covering embodied carbon and in-use energy assessment we have the best way of assessing a building's environmental impact throughout its lifespan. The key contribution that this process makes is its ability to take account of all sources of emissions associated with the building (including construction and end of life deconstruction), and not just those that arise from its use.
LCA can be applied to both new-build and refurbishments. In fact, it comes down very favourably on the side of refurbishment. It's simple really, the building is already built so not as much new concrete or steel. In carbon terms, it's a bit like finding good quality second-hand stuff on Ebay. I'm always fascinated by buildings with a history, so it's great to find extra motivation to preserve these histories with LCA providing a large motivation. Let's re-invent these spaces and realise new value by transforming them into modern day spaces.
LCA's scope covers the raw materials, manufacturing and transport to site, fuel and energy on-site, in-use energy and water, repair and maintenance during the building's lifespan and end of life decommissioning. Even the benefits of biogenic carbon sequestration (a posh way of saying tree-planting) can be accounted for!
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