"Design and procurement detailing - It is likely that initially the design phase will take longer and therefore be more costly. This is always the case as new practices develop and take hold. Reused materials can often be more expensive as reconditioning them has taken time.
Higher premium on materials/components - For similar reasons to the design and procurement phase taking longer, there is likely to be a higher cost for materials and components initially. As manufacturers begin to address the demand for new products with fixings and fasteners that facilitate deconstruction they will recoup the sunk development costs with premiums on new and innovative products and materials. In time as the cost will decrease as competition increases. There is also a financial disincentive for manufacturers to produce materials that can be used indefinitely as they will not be benefiting from repeat business. It may be that manufacturers adopt different philosophies to the supply of building products and materials, and in fact adopt a leasing model rather than a sales model."
source: http://yourdevelopment.org/factsheet/view/id/54#articlekeycost
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