In a prototype developed for the 2016 London Design Festival, Arup Associates designed The Circular Building, one of the first buildings in the UK built to satisfy Circular Economy principles, in which “all components need to be implemented and utilized to their full potential and to the duration of their life cycle, while creating a comfortable and aesthetic environment for the user.”

In order to achieve these goals, designers and engineers worked together to refine the application of prefabricated construction techniques, producing details that utilize finely tuned engineering rather than mechanical fixings. Through this methodology, the team was able to create a low-waste, self-supporting, and demountable structurally integrated panel (SIPs) wall system (which used cladding provided by Accoya) with reusable clamp connections between the wall and recycled steel frame elements, as well as sustainably sourced, heat treated timber for the cladding and decking.

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A total of 68 buildings have been shortlisted for RIBA London 2015 Awards, featuring buildings by AHMM, dRMM, John McAslan + Partners and Grimshaw, to Níall McLaughlin Architects, Eric Parry Architects, and Rogers Stirk Harbour. Winning projects from last year included three Stirling Prize shortlisted projects, as well as another by Haworth Tompkins who ultimately took the prize in 2014 for the Everyman Theatre in Liverpool. All shortlisted buildings will now be assessed by a regional jury. Regional winners will then be considered for a RIBA National Award in recognition of their architectural excellence, the results of which will place some projects in the running for the 2015 RIBA Stirling Prize.

See the complete list of shortlisted projects after the break.

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