Thornton Tomasetti Corporate Responsibility Report
  • Overview
    • Financial Vitality Progress Report
    • Executive Message
    • Our Corporate Responsibility Approach
    • Our Materiality Topics
    • Our Goals & Targets
  • Our Projects
    • Our Projects Progress Report
    • Climate Action Innovations
      • AI & Machine Learning for Climate Prediction
      • A Greener Floor System
      • Next-Gen AI Energy Modeling
      • Optioneering Façade Embodied Carbon
      • Sustainable Façades Get Greener
    • Energy Demand Projects
      • The City of London’s Lowest-Embodied-Carbon Building
      • Making Thermal Networking Work
      • Mass Timber on a Large Scale
      • The Long Decarbonization Game
    • Energy Supply Projects
      • All Power to the Energy Transformation
      • Growing Energy Independence
    • Resilience Projects
      • Going Against the Flow
      • Preparing for a 500-Year Flood
  • Sustainable Operations
    • Sustainable Operations Progress Report
    • Emissions Report 
    • Green Offices Report
    • Sustainable Procurement 
  • Helping Our Communities
    • Helping Our Communities Progress Report
    • Charitable Giving
    • Community Service
    • Disaster Response & Relief
    • Thornton Tomasetti Foundation Update
  • Building Great Workplaces
    • Building Great Workplaces Progress Report
    • Equity, Diversity & Inclusion
    • Learning & Professional Growth 
    • Our Workplace Culture
  • ESG Disclosures
No Result
View All Result
Thornton Tomasetti Corporate Responsibility Report
  • Overview
    • Financial Vitality Progress Report
    • Executive Message
    • Our Corporate Responsibility Approach
    • Our Materiality Topics
    • Our Goals & Targets
  • Our Projects
    • Our Projects Progress Report
    • Climate Action Innovations
      • AI & Machine Learning for Climate Prediction
      • A Greener Floor System
      • Next-Gen AI Energy Modeling
      • Optioneering Façade Embodied Carbon
      • Sustainable Façades Get Greener
    • Energy Demand Projects
      • The City of London’s Lowest-Embodied-Carbon Building
      • Making Thermal Networking Work
      • Mass Timber on a Large Scale
      • The Long Decarbonization Game
    • Energy Supply Projects
      • All Power to the Energy Transformation
      • Growing Energy Independence
    • Resilience Projects
      • Going Against the Flow
      • Preparing for a 500-Year Flood
  • Sustainable Operations
    • Sustainable Operations Progress Report
    • Emissions Report 
    • Green Offices Report
    • Sustainable Procurement 
  • Helping Our Communities
    • Helping Our Communities Progress Report
    • Charitable Giving
    • Community Service
    • Disaster Response & Relief
    • Thornton Tomasetti Foundation Update
  • Building Great Workplaces
    • Building Great Workplaces Progress Report
    • Equity, Diversity & Inclusion
    • Learning & Professional Growth 
    • Our Workplace Culture
  • ESG Disclosures
No Result
View All Result
Thornton Tomasetti Corporate Responsibility Report
No Result
View All Result
Home Our Projects

The City of London’s Lowest-Embodied-Carbon Building

July 12, 2024
A broad approach to embodied-carbon reduction drove Stonecutter to the lowest levels so far for the City of London. Courtesy V1.
A broad approach to embodied-carbon reduction drove Stonecutter to the lowest levels so far for the City of London. Courtesy V1.

In February 2024, the City of London’s lowest-embodied-carbon (EC) building topped out in the city’s finance and insurance center. The 350,000-square-foot Stonecutter, a mixed-use office and commercial development, aims for net-zero carbon by cutting EC in several ways.

To avoid the need for temporary works and excavation – and archaeological risk – the new basement lies within the volume of the old one. This approach reused existing piles and sidestepped the need for excavation, but required a lightweight structure. Our long-span design doubles the floor area of the previous building while maintaining the same weight and enlarges the bays by 250%. Avoiding groundworks also accelerated construction, providing significant cost savings while supporting a low-EC approach and circular-economy principles.

To further reduce Stonecutter’s carbon footprint, we decarbonized our structural materials specifications. For example, we replaced 60% of cement with slag in concrete where curing time wouldn’t slow the construction program – 45% of the total used. And for another 9% of the project’s concrete we used at least 50% slag. We selected steel sections produced by electric arc furnace (EAF), which emits about one-third the carbon of blast-furnace production. Altogether, our approach yielded an EC footprint of 550 kgCO2e/m2, which places it in the City of London’s “aspirational” class. The 13-story building is also targeting BREEAM Excellent and WELL Gold standards.

Corporate Responsibility Progress Reports

Financial Vitality Progress Report

Building Great Workplaces Progress Report

Helping Our Communities Progress Report

Our Projects Progress Report

Sustainable Operations Progress Report

Related Our Projects Articles

The City of London’s Lowest-Embodied-Carbon Building

Preparing for a 500-Year Flood

Sustainable Façades Get Greener

A Greener Floor System

Making Thermal Networking Work

  • Overview
  • Our Projects
  • Sustainable Operations
  • Helping Our Communities
  • Building Great Workplaces
  • ESG Disclosures
Contact us

www.ThorntonTomasetti.com

© 2024 Thornton Tomasetti

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In
No Result
View All Result
  • Overview
    • Financial Vitality Progress Report
    • Executive Message
    • Our Corporate Responsibility Approach
    • Our Materiality Topics
    • Our Goals & Targets
  • Our Projects
    • Our Projects Progress Report
    • Climate Action Innovations
      • AI & Machine Learning for Climate Prediction
      • A Greener Floor System
      • Next-Gen AI Energy Modeling
      • Optioneering Façade Embodied Carbon
      • Sustainable Façades Get Greener
    • Energy Demand Projects
      • The City of London’s Lowest-Embodied-Carbon Building
      • Making Thermal Networking Work
      • Mass Timber on a Large Scale
      • The Long Decarbonization Game
    • Energy Supply Projects
      • All Power to the Energy Transformation
      • Growing Energy Independence
    • Resilience Projects
      • Going Against the Flow
      • Preparing for a 500-Year Flood
  • Sustainable Operations
    • Sustainable Operations Progress Report
    • Emissions Report 
    • Green Offices Report
    • Sustainable Procurement 
  • Helping Our Communities
    • Helping Our Communities Progress Report
    • Charitable Giving
    • Community Service
    • Disaster Response & Relief
    • Thornton Tomasetti Foundation Update
  • Building Great Workplaces
    • Building Great Workplaces Progress Report
    • Equity, Diversity & Inclusion
    • Learning & Professional Growth 
    • Our Workplace Culture
  • ESG Disclosures

© 2024 Thornton Tomasetti