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🟩 GreenBricks Building of the Week 🟩 1 Triton Square

Regeneratively green


The greenest building is the one that is already built. 1 Triton Square is a paragon of decarbonising existing stock. Throughout the redevelopment, one question was continually probed: how much can we retain and reuse?


📍Location

London, UK


🏢Building Details

  • 366,000 sq ft redevelopment and extension of 1990s building: 3 extra floors added, office lettable area doubled

  • 43% cost saving compared to typical commercial building + 30% faster to completion

  • Healthy workplace for 3,500 people


👷🏾‍♀️Developer & Contractor


✍️Architects & Engineers


🌱Sustainability

  • BREEAM Outstanding (92%) + EPC B

  • Extensive material reuse: 36,000 sq ft of limestone, 35,000 T of concrete, 1,900 T of steel = 99.9% construction waste diverted from landfill

  • Façade represents one of largest examples of circular economy practices in the industry: removal, refurbishment + reinstallation of 25,000 separate parts = equivalent of over 12 tennis courts (66% cost saving)

  • 57,000 T of embodied CO2 savings: equivalent to powering 14,000 homes


🥦 Wellbeing

  • Floor to ceiling windows + atrium rooflight fills building with natural light

  • Over 5,000 sq ft of green roofs with insect hotels, beehives, and bird boxes

  • 5 panoramic terraces with rich wildflower planting

  • 500 secure cycle spaces and independent ground floor gym


🎈Bonus feature

It secured the biggest pre-let in London’s West End in over 20 years. This included Dentsu International signing a 20-year pre-let in 2017.


🔗 Check it out

https://www.arup.com/projects/1-triton-square





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