

Background Information
This highly complex structural engineering project involved a combination of a garage conversion and new build structural extension to a ground floor flat within a three-storey residential building in Twickenham, South West London.
The scope involved extending the ground floor flat, converting the existing garage into habitable space, and constructing a new structural extension incorporating a basement level, vaulted ceiling, and internal courtyard.
Project Details
As structural engineers in Twickenham, London, our role was to provide specialist structural design, structural calculations, and structural drawings to facilitate the safe removal and modification of critical load-bearing elements while maintaining full support for the three storeys above.
Structural Engineering Challenges – Supporting a Three-Storey Building During Structural Alterations
This project presented significant structural engineering challenges due to the need to alter and partially remove structural elements supporting the entire building above.
Key structural considerations included:
- The property consisted of three storeys, requiring careful structural load transfer design
- Removal and modification of structural elements at ground floor level supporting upper floors
- Structural works taking place directly beneath occupied residential units
- Complex load paths due to architectural layout constraints
- Limited access and restricted construction tolerances
As experienced structural engineers in Twickenham, we developed a structural solution that ensured the stability of the entire building throughout both temporary works and permanent construction.
This project demonstrates our expertise as structural engineers in Twickenham, London, delivering complex structural engineering solutions involving garage conversions, basement construction, and new build extensions within multi-storey residential buildings.
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Window Structure
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Wardrobe Structure
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