83-84 Wimpole Street, London W1

  • Complete new build of a 4 storey Grade 2 listed building, while retaining facade.
  • Major deconstruction of the existing building requiring the design and installation of a temporary facade retention scheme.
  • Extensive ground works including piling and underpinning works. Extreme challenging logistics in the removal of debris from site due to the buildings location.
  • Construction of new basement fully waterproofed.
  • Concrete frame and floor construction and steel and timber and steel roof frame.
  • Green roof installation.
  • External stone and brick cladding with timber and steel windows.
  • Construction of new bespoke finishes such as joinery, structural glazing and stairways.
  • Complete new mechanical, electrical and public health installation.
  • New lift installation.
  • Extensive site restrictions requiring installation and operation of a crane for material movement
  • Intricate Party wall and neighbourly issues.
  • Considerable design & build packages to coordinate and ‘work up’ buildable solutions.
Client : Howard de Walden
Value £5,000,000
Form of Contract : JCT With Quants includes CDP

Works to 83-84 Wimpole Street & Portland Place were completed as a combined Contract for The Howard de Walden Estate with a total value of £11,000,000.