Project Overview

A regeneration of the Moorgate area on a brownfield site at 21 Moorfieldslocated directly above an existing London Underground station and a future Crossrail ticket hall.  

The development covers approximately 564,000ft² and is arranged as two office buildings, east and west. It will become the new London headquarters for Deutsche Bank, incorporating retail and commercial office space, improved pedestrian permeability via a reconfigured highwalk and a new public square with retail and improved landscaping. 


  • Monitoring all carbon emissions throughout the life of the building: LCA modules A1-A5, B1-B6, C1-C4 
  • Target 15% reduction in embodied carbon at practical completion – 85,380 tonne CO2e (1,335 kg CO2e/m2)whole life carbon (60 year lifespan) has been calculated at 193,785 tonne CO2e 
  • WRAP recycled content for the scheme is 19% – 21%. 

Approaches Used

  • The lifecycle assessment (LCA) was carried out in accordance with BS EN 15978, CEN/TC350 and EN 15804, and included embodied carbon impacts associated with the cradle-to-grave stages. 
  • The building sits on the existing slab of a demolished pre-existing 1960s building making the foundation works less onerous when compared to other similar central London buildings’ carbon footprint. 
  • A range of carbon reduction options covering architectural, services and structural components and systems will be generated. Proposals include: 
    • Timber curtain walls, timber internal frame90% recycled content aluminium external capping. 
    • Louvrewith perforated blades (16% carbon footprint abatement against standard airfoil blades).  
    • Metal cladding elements with lower carbon footprint. 
    • Superstructure steelwork with high recycled content. 
    • Steel reinforcement with high recycled contentrebar with 98% recycled content – approximately two-thirds less carbon intensive than standard rebar. 
    • Alternative concrete mixes 
      • Cores and other structural concrete elements: concrete with 20-50% cement replacement recycled aggregate  
      • Pilingconcrete with 20-70% cement replacement with recycled aggregate. 
      • Upper floorsconcrete with 50% cement replacement with lightweight aggregate: e.g. Lytag.
    • To encourage the specification of building products with an Environmental Product Declaration (EPD). 
  • The project will include whole life carbon benchmarking against other similar projects. 

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