Heathrow Airport Terminal 5


The central terminal building incorporates an extension to the Piccadilly and Heathrow express train services, in total there is 13.5km of new underground rail and roads.

Key technical challenges:

Robert Bird Group undertook a Design Review and Value Engineering Study of the Terminal structure, resulting in:

  • Deletion of in-situ hydrostatic basement slabs across majority of the site in favour of innovative precast voided slab solution, eliminating hydrostatic water pressure and soil heave.
  • Deletion of in-situ concrete basement walls requiring formwork and open-cut excavation, in favour of an embedded wall system requiring less excavation and minimal formwork.
  • Alternate flooring system, recognised as cost advantageous, but not adopted due to lack of time for services re-coordination.

Project Value:
£180 million GBP
Year Completed:

Laing O’Rourke
Robert Bird Group Services:
Construction Engineering

Additional Information

Additional information is available for you to view regarding services and sectors RBG provide.


Robert Bird Group provide outstanding innovative and buildable structural design solutions in all sectors across the globe.


Robert Bird Group’s Civil Engineers provide engineering design services from concept and planning through detailed design on to construction and maintenance, with the potential for ongoing management and advice for the operating life of a project.


Future growth forecasts for aviation passenger travel are staggering, with the IATA predicting that global passenger numbers will double from 2015 to 2035.

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