Absolutely, design life is a critical component of good LCA performance.  The studies suggest that for buildings, the actual service life is dictated by redevelopment pressure, not durability.  If it’s a detached residential building in a high density area it is likely to be subject to very high redevelopment pressure in the not to distant future.  If however a building is very high density, or in a very low density area it’s not going to be under nearly the same pressure for redevelopment.  Further to this, by applying good future proofing design principles and superior design quality, design life may also be extended.  In determining the environmental impacts of a building design life and functionality can be the biggest determinants.

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