Journal
ENERGY AND BUILDINGS
Volume 43, Issue 1, Pages 179-188Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2010.09.005
Keywords
Life cycle assessment (LCA); Housing; Residential buildings; Construction; Embodied carbon; Embodied energy; Modern methods of construction
Funding
- Carbon Connections and Broadland District Council
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There is a growing interest in comparing the energy and consequential carbon embodied in buildings using different methods of construction and alternative materials This paper compares the embodied carbon in a low energy affordable house constructed using a novel offsite panellised modular timber frame system in Norfolk UK with two traditional alternative scenarios A lifecycle assessment (LCA) framework is used to conduct a partial LCA from cradle to site of the construction An inventory of the materials and fossil fuel energy utilised in the construction was used to calculate the primary energy consumed and the associated embodied carbon The embodied carbon was found to be 346 tonnes CO2 for a 3 bedroom semi-detached house 405 kgCO(2) per m(2) of useable floor area When compared with traditional methods of construction the modern methods of construction (MMC) house resulted in a 34% reduction in embodied carbon Despite timber being the predominant structural and cladding material concrete is the most significant material (by proportion) in embodied carbon terms responsible for 36% of materials related embodied carbon (C) 2010 Elsevier B V All rights reserved
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