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1290 - Lower James Street

London

An existing 1930s Grade II Listed office building near Piccadilly Circus.

Key Features 

  • An existing concrete encased steel frame inside load bearing masonry perimeter walls, with filler joist slabs. 
  • New drainage was provided for a change of use to restaurant at ground and basement levels, including soft spots for new circulations. 
  • The existing stairs were extended up a level in exposed plated steel, hung from structure over. 
  • The building was extended up a level by demolishing the existing plant floor and installing and new office floor and roof. 
  • The double cranked roof was constructed in load bearing CLT with an innovative resin dowelled concealed moment connections for a seamless internal finish.

Awards: Winner of the AJ Retrofit Award and The BCO Regional Award. Commended for the Structural Timber Award. 

Client: Knight Frank Investment ManagementArchitect: Halebrown Architects

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People:
Kelly Harrison
Ana Nicusan