Rethinking Timber Buildings Seven perspectives on the use of timber in building design and construction Foresight, Research and Innovation is Arup’s internal think-tank and consultancy which focuses on the future of the built environment and society at large. We help organisations understand trends, explore new ideas, and radically rethink the future of their businesses. We developed the concept of ‘foresight by design’, which uses innovative design tools and techniques in order to bring new ideas to life, and to engage all stakeholders in meaningful conversations about change. For more information on our foresight publications and services, please email
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[email protected]. March 2019 13 Fitzroy Street London W1T 4BQ arup.com driversofchange.com © Arup 2019 Cover image: © Murray Fredericks Contents Foreword 4 Preface 6 Introduction 8 1. Managing our carbon budget 14 2. Urban densification 24 3. Wood and well-being 32 4. The future is prefabricated 42 5. Sustainable sourcing 54 6. Knowing the material 64 7. Innovating with wood 74 Conclusion 84 References 91 Acknowledgements 99 Cover image: © Murray Fredericks Foreword Urbanisation and human population growth are increasing the pressure on our planet’s precious resources with visible signs of anthropogenic damage. It is estimated that two billion square metres of new building stock are needed every year between 2019 and 2025, especially for housing. Global carbon dioxide emissions Tim Snelson (CO2) have increased by almost 50% since 1990. The construction Associate Director industry alone produces around 15% of these global emissions. London There is an urgent need to limit global warming to 1.5°C to prevent the worst impacts of climate change, as stated in the Intergovernmental Panel on Climate Change (IPCC) special report on climate change released in October 2018.