🟩 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

• Tim Downes – Development Director at British Land

• Neil Martin – CEO, Europe at Lendlease

✍️Architects & Engineers

• Nick Jackson – Director at Arup Architects

• Kate Fletcher – Associate Director & MEP Lead at Arup

🌱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