Over the past few years, circular construction has emerged as a transformative and innovative approach to the built environment.
Unlike traditional linear models of consumption, circular construction embraces the principles of the circular economy to reduce waste, extend material lifecycles, and create regenerative systems.
In 2025, these methods are used not only for environmental reasons but also because they can reduce costs.
But what does a circular economy in construction look like exactly? At its core, it is a system that keeps resources in use for as long as possible through reuse, remanufacturing, and recycling.
Circular design can regenerate communities, not only ecosystems, through infrastructure projects rooted in sustainability.
In this CEI webinar, two expert speakers break down real-world examples from the built environment of circular construction projects that reduce inequality, improve wellbeing, and build local resilience. 
Below, we explore five best practices in circular construction that industry leaders are adopting in 2025.
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1. Designing for deconstruction
One of the pillars of circular economy construction is designing buildings that can be easily adapted, dismantled, and reused.
Many architects and engineers are now prioritising modular designs, which makes it easier to remove components post-build without any damage.
This approach ensures that materials retain their value and can be repurposed for future projects.
2. Prioritising reclaimed and recycled materials
By choosing materials that have already been used and repurposed, businesses can significantly cut down on the extraction of virgin resources, lower greenhouse gas emissions, and divert waste from landfill.
Prioritising reclaimed and recycled materials isn’t just good for the planet – it’s smart business. It can help construction companies reduce material procurement costs and waste disposal fees.
3. Leveraging new technologies like material passports
Technology is driving the circular economy in construction. One of the best examples is material passports. These are digital records containing detailed information about a product’s composition, lifespan, and recycling potential.
Combined with BIM (Building Information Modelling), these tools are fast, enabling transparency across the supply chain and simplifying reuse.
4. Embedding circularity in procurement and partnerships
Circular construction is not just about materials; it requires systemic change. Collaborative partnerships between architects, contractors, and waste management firms ensure that circular practices are implemented throughout the construction process.
Of course, changing the established business model in an entire sector isn’t easy, but circular construction principles have the potential to do so.
5. Extending building lifecycles through maintenance and refurbishment
The most sustainable building is the one that already exists. In 2025, many firms are focusing on extending the lifespan of buildings through proactive maintenance and targeted refurbishments.
According to a UN report, the construction sector accounts for 37% of global emissions, making it the largest sector for emitting greenhouse gases by far.
Keeping structures in use for longer not only ensures buildings are more efficient but also reduces the environmental impact of each construction project.
The road ahead
By designing for adaptability, reusing materials, leveraging technology, and fostering partnerships, the construction industry is moving closer to a future where waste is minimised and value is maximised.
For businesses, embracing circular construction in 2025 is not just about compliance or reputation; it is about building resilience, efficiency, and long-term profitability in a rapidly changing world.