Using our low carbon design and decision tool, Butterfly, the BLP CONSULT team helps you take the risk out of your design decisions by assessing the environmental impact of your proposed scheme. We created ‘Butterfly’ in collaboration with UCL Energy Institute, University of Cambridge Centre for Sustainable Development, Willmott Dixon and through funding from the Technology Strategy Board.

As with our approach to Life Cycle Costing assessments, the carbon modelling is construction and component specific and alternative components can be modelled with a view to improving the carbon performance of the design, and at the same time monitoring the impact of design change on capital costs and cost in use.

For more information please contact Jeff Maxted, Director of Technical Consultancy at BLP, on 020 7204 2466 or by emailing


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