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The Leadenhall Building

Standing at 225 metres tall, with 48 floors, the Leadenhall Building is yet another stunning addition to London’s impressive skyline. Designed by British architect Richard Rogers, the building’s unmistakeable wedge-like profile has earned it the nickname of the Cheesegrater; a moniker originally uttered by Peter Rees, the City of London Corporation's chief planning officer. Rees said to Richard Rogers, “I could imagine your wife using it to grate parmesan”. The name evidently stuck.

What’s happening?

Costing over 280 million, the Leadenhall Building is located in the heart of the City. It mainly comprises office space, taking the form of classic rectangular floor plates, which decrease in size by 750 millimetres towards the roof – giving it the eponymous ‘Cheesegrater’ effect.

The tower is being lauded for its design, which features a tapered glass exterior that exposes the structural steel bracings. Unlike other towers of its kind, which usually adopt a concrete core to provide stability, the Leadenhall Building employs the world’s largest steel megaframe.

The nadir of the skyscraper vaunts a 30-metre tall atrium, which will be open to the public, as well as a 12,000 square-foot modern restaurant on Level 3.


Why is it happening?

Unsurprisingly, the development has had no trouble attracting tenants, and will be occupied by some of the UK’s biggest brands and companies – namely insurers. It is yet another stunning building in the area, demonstrating the UK’s return to economic fortuity, and a fine example of the country’s innovative architectural feats.


What to expect

  • A unique 610,000 square-foot office tower
  • A 12,650 square-foot unit, dedicated to creating a premier eating and drinking environment
  • Modern retail space
  • Pre-certified ‘BREEAM Excellent’ rating


What TDS did!

TDS were commissioned to take the BIM IFC files for the existing stair structure and design & details the stair balustrade / top rail for the 2 No. 125 flight staircases that run up the side of the Leadenhall Building.

Utilising BIM methods and processes resulted in no phone calls from the manufacturing department and a seamless installation process.



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"we have found your detailing and draughting service for architectural stairs, balustrades, handrails, platforms and secondary steelwork to be of the highest quality, and performed within an accurate and professional management system"
Martin Gibbs – Managing Director - Gibbs Engineering

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