Grand Buildings

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Curves, corners and a flood of natural light – at Grand Buidings our work was light on structure and heavy on beauty.

The new atrium in Grand Buildings on Trafalgar Square is an architectural marvel. Triangular in shape, it has one right-angle corner, one tightly curved corner, while the third is smoothly rounded. Day or night, the glass form plays with the light brilliantly, making the work all the more impressive.

To expand square footage, the building’s owner extended each level two metres out into the atrium space and OAG was called on to design and fit an atrium lining enclosing the building’s structural columns while still flooding the office areas with light.

We worked closely with the metal contractors who carried out the extensions, ensuring we could secure the framing to the narrow profile floors. The architects wanted minimal structure supporting the glass, so thin upright mullions alternate with silicone seals. Meanwhile very narrow aluminium spandrels line the horizontal floor edges.

The first level of the atrium offers an open balcony with structural balustrading – no handrail – while levels two to six of the atrium use full-height curtain wall glazing. OAG also installed a glazed entranceway with revolving doors.

  • Location: Trafalgar Square, London
  • Architect: Sidell Gibson
  • Main Contractor: Collins Construction
  • Value: £1.35 million
  • Duration: June 2013 to February 2014

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