Plot S7 and S8 The International Quarter


A project within the Stratford City scheme, requiring diagnostics and value engineering. Walsh were able to achieve a cost effective and well-implemented concrete frame solution on a highly compromised piece of land.

Plot S7 and S8 form the residential element of the International Quarter development in Stratford, East London. TIQ is part of the larger Stratford City development that includes the Westfield shopping centre and Olympic Village. Walsh were appointed to bring our structural and civil expertise to this development of two blocks of 30 and 17 storey residential apartments with penthouses at the upper levels.

Our main challenge was the structure of the land itself. The site is on an area of land formed with spoil and contaminated fill from the Channel Tunnel Rail Link Stratford Box. Several foundation constraints were investigated, including the limitations on piling techniques, amount of spoil and associated foundation sizes and risks. The site is further compromised by a network of services running through at varying levels connecting the Olympic Park with the surrounding infrastructure.

Walsh carried out a value engineering exercise on the stability system investigating a range of options and using BIM Level 2 software to simulate potential concepts. The final solution used a compact core and outriggers at every 5th floor. We designed the concrete frame and used lean construction techniques such as thin slabs and a minimal stability system to reduce all material quantities. This resulted in a 40% saving in concrete volume within the core and allowed for a much smaller jump form system. We are also able to offer planning support from design stage right through to completion.

during construction – Resized
IMG_3261 – Resized
S8 3D Render – Drainage – Resized
Recent photo – Resized
S7 during construction – Resized

Key Facts

  • Client: Lend Lease
  • Location: London
  • Year: tbc

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