Circular Economy | UKGBC /our-work/topics/circular-economy/ The voice of our sustainable built environment Mon, 01 Jun 2026 11:41:48 +0000 en-GB hourly 1 /wp-content/uploads/2023/02/cropped-UKGBC-favicon-1.png Circular Economy | UKGBC /our-work/topics/circular-economy/ 32 32 Regenerative Places Consultation Launch /events/regenerative-places-consultation-launch/ Thu, 14 May 2026 10:53:49 +0000 /?post_type=event&p=70337 We invite you to respond to our consultation on our new Regenerative Places Framework. This webinar will provide you with the opportunity to learn more about the Regenerative Places task group, the framework itself and ask questions.

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This event will introduce the Regenerative Places Framework for Housing and invite you to give feedback to ensure it’s clear and widely supported. The Framework explores how we can enable place-based regenerative approaches to home retrofit and new housing, catalysing long-term economic, social and ecological benefits.

In this webinar, we’ll walk you through the proposal and the key questions we’re seeking feedback on. This is your chance to help shape the future of the industry.

Why Attend?

Hear about

the Regenerative Places Framework from the team who is writing and developing it.

Get clarity

on what’s being proposed and how to give feedback.

Discover

how to contribute to its finalisation and be part of our regenerative places work going forward.

Who Should Attend?

This event is designed for anyone who may be interested in responding to the Regenerative Places Framework consultation, particularly those involved in housing development or retrofit. It is an opportunity for all built environment stakeholders to provide feedback. We encourage anyone with an interest in regenerative design in the built environment to join this webinar and respond to the consultation, from experienced professionals to those with a general interest.

WITH THANKS TO OUR PARTNERS

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Secondary Materials Markets: where are we now? /news/secondary-materials-markets-where-are-we-now/ Fri, 24 Apr 2026 08:17:02 +0000 /?post_type=news&p=70091 Clare Wilde, Sustainability Officer at UKGBC, reflects on the importance of secondary materials markets in achieving a circular economy.

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Material reuse is a key part of the circular economy: it helps reduce waste, lower embodied impacts and can enable more localised supply chains. Over the last year, there have been an increasing number of initiatives which aim to scale materials reuse within the built environment sector through secondary materials marketplaces. Reuse hubs have also been identified as a key priority in to 2030 and in DEFRA’s .

In 2022, UKGBC launched the System Enablers for a Circular Economy report, which highlighted secondary materials markets as one of the eight key enablers to the circular economy. A secondary materials market was defined as a marketplace for materials and construction products that had a previous life and are easy to procure from. These marketplaces help overcome these barriers to material reuse:

  • Limited availability of secondary materials
  • Limitations on storage of secondary materials
  • Difficulties in the procurement of secondary materials
  • Risk being pushed onto contractors

Secondary materials marketplaces seem to fall into either physical or digital marketplaces. Physical reuse hubs provide storage, spaces for materials to be tested, certified and physically inspected, enabling wider use of reclaimed materials.Ìý Equally, digital platforms can provide key documentation or materials passports , and allow materials to be uploaded and collection time-matched between projects.

 

 

barriers to delivery and implementation, and risk, insurance and warranty, makes secondary materials more difficult to use on projects compared to new materials.”

Procuring reused materials from physical or digital marketplaces is not common practice and something that the supply chain is not used to. This means they often face barriers to scaling successfully, as often seen with innovative solutions. The Scaling Sustainable Solutions for the Built Environment: Barriers & Enablers report highlighted that these barriers are often systemic rather than technical. However, many new pilots and initiatives aim to tackle these barriers, hopefully enabling material reuse to scale and become part of business as usual.

One example is tackling the challenge of time-matching materials between projects. The in London has been bringing project teams together, looking at where timelines are complementary, enabling materials to be reclaimed from one project and used on another. During this process, the physical inspections of materials have been an important consideration to ensure they are able to be used on the recipient project.

The lack of storage for secondary materials has also been a barrier to scaling material reuse. There are a few reuse hubs across the UK, such as in Carlisle, and more are opening across the country. The is trialling a circular construction hub in the Scottish Central Lowlands region, aiming to cover several cities and rural areas. The has piloted a reuse hub specifically focused on suspended ceilings and luminaries. In London, , who use circular practices as a materials-first approach to designing and building, have been founders alongside and to open in Newham. This meanwhile-use site is planning to expand to cover more of the site over the next five years, looking at the testing and refurbishing of materials to enable them to be reused. They are looking at materials which do not already have a defined route and experimenting with packaging up materials to enable design within constraints.

Collaboration and engagement with the supply chain have consistently appeared as key enablers for delivery material reuse and trialling innovative approaches. Engagement with the design team and supply chain to communicate why this matters for the project can help ensure the material reuse is achieved. Equally, having conversations early allows for identification and mitigation of risks, enabling stakeholders to be bought into the approach. Anecdotally, talking to people to understand why processes are done one way and if they can be approached differently can lead to positive results. Engagement across the sectors is also important to enable marketplaces to scale and create space for collaboration, as demonstrated through a recent

Collaboration and engagement with the supply chain have consistently appeared as key enablers.”

The expansion of reuse hubs and platforms will help tackle part of the problem when reusing materials. However, understanding how to reclaim materials from buildings in a condition which enables them to be reused and working with the supply chain to ensure they have a route to be tested, certified and warrantied, can still be very material-dependent. It is also important to consider this when designing buildings now, to ensure they are designed for disassembly, enabling material reuse and recovery in the future.

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Resource Use Forum /get-involved/resource-use-forum/ Wed, 25 Mar 2026 15:26:03 +0000 /?post_type=get-involved&p=69699 The Resource Use Forum brings together industry professionals who are actively working on the implementation of circularity and material use to share learnings, find solutions, and make practical progress in implementing circular economy principles on live project.

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The Resource Use forum will explore circularity and material reuse, allowing members a space to share experiences of this and discuss ways to enable more circular construction projects. The forum session will look at core themes around supply chain, value, risk, and innovative approaches.

The first session will shape the programme for the remaining five sessions, identifying priority topics to explore in depth and giving members the opportunity to become a chair for the upcoming ones.

The forum will start 1st June and run every 6 weeks, finishing next spring. By signing up to this first session, members will be enrolling for the whole duration of the forum.

We will host three special sessions on financial value, supply chain engagement and nature. Other members will be able to join these sessions as one-offs, depending on which topic is most interesting to them. Specific dates will be announced soon.

Who Should Sign Up?

The UKGBC Resource Use Forum is open to individuals from UKGBC member organisations who have demonstrable knowledge or practical experience in resource use and circular economy principles. Participants are expected to actively contribute to discussions by sharing insights, challenges, and best practices, while also representing their organisation’s work and perspective on the topic.

This forum is open to members with an interest in resource use. It will be particularly appealing to Building Developers, Building Owners, Building Systems Engineers (M+E), Architects, Structural Engineers, Asset Managers, Insurers, Contractors, Secondary Materials providers and Project Managers.

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Trends in Sustainable Solutions 2025 /resources/trends-solutions-2025/ Tue, 09 Dec 2025 09:56:34 +0000 /?post_type=resource&p=68630 UKGBC’s annual Trends Report highlights and explores a range of themes, topics and solutions that…

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UKGBC’s annual Trends Report highlights and explores a range of themes, topics and solutions that have been prevalent throughout 2025. It covers overarching topics from AI and the importance of place, through to material innovation and financial products. The analysis is based on engagement with innovation-focused UKGBC members (including input from UKGBC’s Solutions & Innovation Advisory Group), interviews with UKGBC topic leads, desktop research and reviews by topic experts across industry.Ìý

The insights in this report act as a temperature check on the theme of sustainability in the built environment, and capture a collective pivot – from planning to implementation, from values to value, and from sustainability to resilience and regeneration.ÌýÌý

Access the Report by filling out the form below:

Trends in Sustainable Solutions

This report is intended as a signpost for industry to key developments and reflect what Ä¢¹½Ö±²¥ hearing from industry and in research by others.Ìý While this is a summary of some of the notable trends, solutions and examples of which UKGBC has become aware, there are likely to be others that are not mentioned. UKGBC does not formally endorse any of the individual solutions listed.ÌýÌý

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Unusual Rigging /resources/unusual-rigging/ Tue, 29 Jul 2025 12:55:41 +0000 /?post_type=resource&p=66366 The post Unusual Rigging appeared first on UKGBC.

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Project Overview

Unusual Rigging HQ is located on a 4-acre site in Bugbrooke, Northamptonshire and stands as an example of circular workplace design and innovation. Purpose-built with circular economy principles in mind, the structure is intended to be dismantled and reused at the end of its life, emphasising low-carbon construction and the reuse of materials. Key objectives for the project included minimising embodied and operational carbon, fostering long-term adaptability, and embracing renewable energy solutions.ÌýÌý

Unusual Rigging HQ serves as a distinctive model of circular design, demonstrating how office buildings can fulfil business functions while also supporting environmental needs. It incorporates a range of recognized sustainable features such as airtight construction, thermal efficiency, and local procurement. ​​The building cannot technically be classified as PassivHaus, BREEAM or any other industry standard as it was designed to maximise circularity. The team employedÌý principles from industry standards but were concerned that commitment to particular metrics would compromise the circularity. By going beyond conventional standards, the buildingÌýis an ambitious example of what is possible for circularity in our built environment. Ìý

Key sustainability objectives and outcomes

Resource Use and Circular Economy

The entire building is a testbed in testing circular economy design principles. Without defined circular economy industry standards or accreditations to work towards, it was necessary for the client and design team to set their own standards and goals based on the GLA’s 6 core principles of Building in Layers, Designing out Waste, Building for Disassembly, Building for Longevity, Building for Adaptability and Use of Re-Used materials.Ìý

Key circularity approaches included a layered construction strategy allowing each part – whether structural, service-related, or internal – to have a different expected lifespan and enable easy separation for maintenance, upgrades, or future reuse without damaging the surrounding fabric.ÌýÌý

Reused materials were prioritised, including reused steel, raised access flooring and parts of the external landscaping. Internal finishes have been chosen and assembled with a focus on Circular Economy. Cradle-to-Cradle carpet tiles feature in the main office floors. Engineered cork flooring, made from off-cuts from the wine cork industry, features in the central circulation spaces.Ìý

Materials were selected to enable disassembly and onward re​use​​​, helping to lower the building’s carbon footprint throughout its lifecycle. To support with this a modular frame was used to enable flexibility and future proofing. Bolted connections were used on the entire frame, cladding was mechanically fixed, flooring was fixed with non-adhesive substrate and window details enable easy removal.ÌýÌý

Further, design for longevity has also been considered, through a flexible layout and the use of durable materials. This includes Accoya cladding with a 50 year warranty and a durable Kalzip roof. Connection details are also robust, with a concrete slab to protect the timber structure.ÌýÌý

The construction approach also minimised waste, through the use of prefabricated wall and roof systems. There is also an operational waste management plan in place.ÌýÌý

Operational Energy Performance

The energy use intensity of the building is 39.44 kWh/m2/yr, which exceeds LETI and RIBA 2030 target requirement of 55kWh/m2/yr. It is also EPC A+.ÌýÌý

To achieve this, key measures include taking a fabric-first approach for thermal efficiency. Prefabricated timber framed SIP wall panels were used, highly insulated with recycled glasswool and lined with airtight OSB. This approached ensures quality to the thermal envelope seeking to minimise the performance gap. The U-values of the walls are 0.15 W/m2K and the roof was 1.12 W/m2K and all windows are triple glazed.Ìý

This approach of thinking beyond the standards provides a building which is net positive for operational energy in the summer months and already meets LETI 2030 standards.Ìý

Renewable Energy

Renewable energy is supplied by rooftop solar panels which powers an air source heat pump, providing all of the building’s energy in the summer.Ìý

Embodied Carbon

Although a whole-building WLC assessment ·É²¹²õ²Ô’t done in accordance with RICS, individual savings were calculated based on specific measures. A Ìýwas used in the substructure saving 18.9 tonnes of CO2. A primary timber glulam frame was also used, allowing long spans to ensure the future flexibility of the internal spaces, without the high embodied carbon of steel or concrete.ÌýÌý

Reused material choices also contribute significantly to carbon savings, including ​​savings of 19.9 tonnes of CO2 from reused steel, 21 and 0.9 tonnes ​of​ CO2 from reused raised access floors. ​​Additionally, the use of biogenic materials allows the building to store approximately 94.5 tonnes of CO2.ÌýÌý

Further, the building was also a testbed for the use ´¡»å²¹±è³Ù²¹±¹²¹³Ù±ð’s Breathaboard, a natural compostable alternative to gypsum plasterboard.ÌýÌý

Social Value

The design not only prioritises the clients but ​employees and visitors ​as well ​​by incorporating features that support comfort, focus, and connection. Elements such as dedicated tech-free areas, quiet zones for focused work, and the inclusion of greenery both inside and outside the building are all designed to support and enhance user wellbeing. Shared spaces such as reception, corridors, and breakout areas were intentionally arranged to foster interaction and a sense of community. Accessibility and inclusivity were built into every aspect of the layout, with thoughtful details such as​ÌýÌýÌýÌý ​ the internal staircase and mezzanine designed to aid navigation, particularly for those with cognitive or spatial challenges. A mix of outdoor settings, including dining terraces and contemplative areas by an ecological pond and a memorial tree honouring founder Alan Jacobi, further enhances the user experience, offering places for relaxation, reflection, and connection to nature.Ìý

Lessons learnt

A primary obstacle was balancing the client’s environmental aspirations with the practicalities of cost, availability of materials, and construction methods. Sourcing reused or sustainably certified materials required meticulous planning and innovative solutions. Additionally, the evolving nature of circular economy practices posed difficulties in implementing concepts not yet widely adopted or supported by traditional supply chains.ÌýÌý

Another challenge was integrating cutting-edge sustainable technologies, such as air source heat pumps and photovoltaics, into the building while maintaining a tight operational carbon footprint.Ìý

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Paradise 11 /resources/paradise-11/ Thu, 03 Jul 2025 14:19:31 +0000 /?post_type=resource&p=65775 A new timber structure office building located in London with a holistic approach to sustainability.

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Project Overview

Paradise 11 is a new timber structure office building located in Vauxhall, London, between Old Paradise Gardens and the main trainline into Waterloo Station. The building has taken a holistic approach to sustainability, embracing a wide range of accreditations, including BREEAM Excellent, WELL Gold and an EPC rating of ‘A’. It also achieves a LETI “A” rating, surpassing the LETI 2030 design target, and the RIBA 2030 built target. Paradise 11 is a hybrid structure, focusing on the use of mass timber, with CLT floors and glulam beams throughout, creating a low embodied carbon building in central London.

The client wanted to build “London’s Healthiest Workspace”, which became the key motivator for using a timber structure and aiming for ambitious sustainability credentials. Biophilic principles were prioritised including natural light, air quality and exposed natural materials.

Key sustainability objectives and outcomes

Embodied Carbon

Embodied carbon has been modelled following BS EN 15978 and RICS Professional Standard on whole life carbon modelling, version 2. Building fabric elements have been assessed, with material quantities derived from the BIM model and provided by the structural engineer. MEP systems have been assessed following the CIBSE TM65 methodology for embodied carbon, providing a robust estimate of the carbon emitted by the production of the systems and refrigerant leakage. The project targeted RIBA 2030 and LETI limits for embodied carbon, pioneering this approach during the design phase in 2019. Through the extensive use of timber for the structure, the upfront carbon is currently calculated to be 3,328 tCO2e or 413 kgCO2e/m^2 (following the RICS v2 methodology). Focusing on the upfront carbon, Old Paradise Street achieves the LETI 2020 design target, and the equivalent RIBA 2030 as-built target (using the LETI ratings for comparison). Due to this, the whole life cycle embodied carbon for the building is determined to be 491 kgCO2e/m^2. Additionally, the timber structure locks away 1,884 tCO2e, representing a significant storage of carbon.

The embodied carbon was largely reduced due to the use of mass timber, and this lighter construction method also reduced the concrete requirements for the sub-structure.

Concrete was used in the core of the building for fire reasons, utilising 60% cement replacement in the form of GGBS, significantly reducing carbon emissions.

Resource Use and Circular Economy

The frame has been designed to be fully demountable to enable the building elements to be directly reused in future buildings. This includes creating alternative solutions for fire protection on the floors, moving away from permanent screeds to panel systems, and using custom connection details that needed to be tested for compliance with fire requirements.

 

Lessons learnt

Creating an extensive mass timber office building post-Grenfell tragedy required navigating a shifting and complex set of fire requirements from both building control and insurers. Working with the specialist sub-contractor B&K and the design team, a robust method for certifying the building performance in a fire was created. This culminated in full scale fire testing of each proposed detail and junction, proving that the building would be resilient in case of a fire, providing the certainty that building control and the insurers required.

Compromises also needed to be made on the selection of certain materials for various reasons. An example of this is the design team intended to install a reused raised access floor. However, the agents were concerned by the ‘sellability’ of having floors with adhesive visible, and they were a significant cost uplift over new raised access floors, so they installed a new floor, despite the carbon uplift (roughly 8-10% of the upfront carbon). Future projects will explore more ways to provide office flexibility through cable ducts rather than raised access floors.

Another key learning is that terracotta tiles were chosen for the façade of the building, designed by local children from the local Oasis Academy. The terracotta itself doesn’t have a particularly high embodied carbon, but the weight of the tiles means a more substantial framing system is required, accounting for over 2/3 of the embodied carbon of the façade (which had a total embodied carbon of 112 kgCO2e/m2). For this building, terracotta was chosen as it reduced the amount of cleaning and maintenance required (important due to its close proximity to a railway). However, for future buildings the embodied carbon implications for the framing need to be carefully considered.ÌýÌý

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Construction Products Reform Consultation Response /resources/construction-products-reform-consultation-response/ Thu, 22 May 2025 10:19:11 +0000 /?post_type=resource&p=64858 Together with members, UKGBC has responded to the Government's green paper consultation on construction products reform which aims to improve the transparency and traceability of construction products in the UK.

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As part of UKGBC’s work with our Circular Economy Forum, we have responded to the chapters of this consultation which invite input into the digitalisation and traceability of data for building products and how environmental data can be included to encourage reporting. The opportunity to include the environmental data credentials as mandatory would help signal to the market that that the measurement and reporting of this data is important and enable project teams to make more informed decisions on the environmental impact of the materials they are selecting.

Digital tools can support better transparency of data and help practitioners make decisions to reduce environmental impacts and waste. Mirroring the digital product passport requirement and other regulations from the EU will help manufacturers streamline their reporting whilst expanding the transparency of data available on construction projects. The digital product passport could also support better traceability of products by acting as a live document which is machine-readable and can be used through the design, in-use, and end-of-life of the product. With this information decisions can be made on the environmental impact, and circularity, helping reduce waste from the construction sector.

Read our full response here

Construction Products Reform Green Paper – UKGBC Response

Download89.99 Kb

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Low-Carbon Roof Extensions to Existing Buildings /resources/low-carbon-roof-extensions-to-existing-buildings/ Fri, 21 Feb 2025 17:35:45 +0000 /?post_type=resource&p=63688 Construction method adding lightweight, low-carbon roof extensions to existing buildings

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Problem Addressed

Given the ongoing housing crisis, there is an urgent need to maximise the use of existing infrastructure while minimizing the environmental impact of new development. Traditional construction practices often result in significant resource consumption, waste, and carbon emissions, especially when buildings are demolished to make way for new ones. To meet the rising demand for urban housing and office space, cities must find solutions that allow for densification without expanding onto rural land. Optoppen addresses these challenges by offering a sustainable, low-carbon solution for expanding the usable space within existing urban environments.

Solution Overview

Optoppen is an innovative construction method designed to address the challenges of urban densification by adding lightweight, low-carbon roof extensions to existing buildings. The approach is rooted in the concept of “topping up” — using the space above existing structures to create additional floor area, maximizing the potential of existing buildings. This sustainable strategy helps to meet the growing demand for housing and office space in urban areas while significantly reducing the environmental impact of traditional development.

A key component of this solution is the Optoppen Web Platform, which offers an easy-to-use tool for building owners, developers, and city planners to assess the feasibility of adding storeys to their buildings. This dynamic platform allows users to model the vertical extension potential of their existing structures, providing real-time data on the additional floor space that can be added, the carbon savings achieved by using timber, and the overall environmental impact of the project.

The Optoppen tool incorporates various parameters, such as building type, structural conditions, and local planning regulations, to deliver a tailored assessment of each project’s potential. This feature helps users understand the limitations and opportunities of their existing buildings and enables them to experiment with different configurations, optimising designs before making any commitments. The tool also highlights the embodied carbon savings of using timber for the new extensions, further reinforcing the environmental benefits of the approach.

On the Optoppen website, stakeholders can access a comprehensive database of case studies, policy insights, and best practices from across Europe. This knowledge hub helps guide the decision-making process by providing detailed examples of successful projects, along with valuable lessons learnt. The platform also fosters a wider conversation on policy and regulatory frameworks that support upward extensions, addressing any potential barriers to implementation.

By focusing on existing buildings, Optoppen presents a practical solution to urban housing and office space shortages, offering a cost-effective, low-carbon alternative to demolishing old structures and constructing entirely new ones. The approach supports the efficient use of resources, reduces construction waste, and contributes to the revitalization of older urban areas. As cities continue to grow and face mounting pressure to meet housing demands, the Optoppen approach provides a scalable and sustainable way to enhance the built environment, all while adhering to carbon reduction goals.

Case Study

Located in London, the Arding & Hobbs building underwent a transformative renovation that added 1,500 m² of space through the addition of two storeys. Completed in 2023, this project was led by W.RE (W Real Estate) with architectural design by Stiff + Trevillion, and collaboration with B&K Structures, AKT II, and Knight Harwood.

The project’s new roof pavilion was constructed using Cross-Laminated Timber (CLT) framing and finished with a unique scalloped brass cladding. This addition was paired with an innovative raised curtain wall system, incorporating bespoke brass and bronze cladding, supported by a steel framing system.

The revitalised building showcases a commitment to sustainability, earning a BREEAM ‘EXCELLENT’ rating and receiving multiple accolades in 2021, including the ATA Awards for Office, Future Projects, and Stakeholder Engagement. The project highlights the potential of CLT in creating energy-efficient, low-carbon spaces while enhancing the value and functionality of existing buildings.

Facts and Figures

Up to 630,000
40 %

This page presents data, evidence, and solutions that are provided by our partners and members and should therefore not be attributed to UKGBC. While we showcase these solutions for inspiration, to build consensus, and create momentum for climate action, UKGBC does not offer commercial endorsement of individual solutions. If you would like to quote something from this page, or more information, please contact our Communications team at media@ukgbc.org.

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Innovation Showcase – Materials Passports /events/innovation-showcase-materials-passports/ Thu, 20 Feb 2025 11:01:38 +0000 /?post_type=event&p=63649 A webinar showcasing innovative solutions available to help track data and drive circularity over a buildings lifespan.

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About this event

UKGBC’s recent Materials Passports Guides provide an overview of materials passports and how they can be a tool to support greater circularity within the built environment. This guide’s also outline which stakeholder may need to be involved in the process and the different types of data which may want to be collected.

Building on the guides, this webinar will showcase tools and solutions to aid with collecting data over the building’s lifespan and the creation of materials passports. You should attend this webinar if you are involved with circular design and the tracking of materials over the life of built assets.

During the event, you’ll hear from the UKGBC team on the importance of the topic, after which there will be a series of quick-fire pitches from our Innovative Start-Up members and companies offering solutions in this space. UKGBC’s Solutions & Innovation team have been continuously profiling many of these in our Solutions Library.

Ä¢¹½Ö±²¥ therefore running this cross-team webinar to showcase some of the innovative solutions available to help built environment practitioners understand the tools available in this area.

Why attend?

Understand some of the tools available to support materials and data tracking over a buildings lifespan.
Have the opportunity to ask follow-up questions and request introductions to solution providers.
Learn about the different solutions available to support circularity.

UKGBC cancellation and refund policy

Please see our website for more details on our cancellations and refunds.

Advancing Net Zero Partners

Our Advancing Net Zero work is made possible thanks to our programme partners

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EPDs and Materials Passports in Circular Construction /news/epds-and-materials-passports-in-circular-construction/ Wed, 19 Feb 2025 14:34:25 +0000 /?post_type=news&p=63596 The Ä¢¹½Ö±²¥ (UKGBC) has launched its latest guidance on materials passports, reinforcing…

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The Ä¢¹½Ö±²¥ (UKGBC) has launched its latest guidance on materials passports, reinforcing the drive towards circularity in the built environment. With construction and demolition responsible for 60% of the UK’s material use and waste generation, the sector faces a pivotal challenge: transitioning from a linear ‘take-make-dispose’ model to a regenerative, circular economy. Materials passports are emerging as a tool to address this shift, but one of the key components to their success is environmental product declarations (EPDs).

The role of materials passports in circular construction

A materials passport is a digital record that captures essential data about a material’s composition, life-cycle impact, and reuse potential. By documenting these attributes, passports support informed decision-making at every stage of a building’s life-cycle — from design to deconstruction. They ensure materials retain value beyond their initial use, reducing landfill and supporting a truly circular economy.Ìý

This aligns with the UK’s increasing focus on material reuse to lower embodied carbon. More developers and project teams now prioritise not just the upfront emissions of materials but also their potential for reclamation and reuse. However, for materials passports to function effectively, the industry needs standardised, reliable environmental and material data. While EPDs provide insights into environmental performance, a broader set of information—covering material composition, deconstructability, and circularity potential—is required to fully support their implementation.Ìý

Why EPDs are essential to materials passports

EPDs, as defined by the European standard EN 15804, provide third-party verified data on a product’s environmental impact across its life-cycle. This independent verification ensures reliability, giving architects, engineers, and contractors confidence in their material choices. EPDs specifically measure global warming potential (GWP) — the key metric for assessing a material’s embodied carbon — alongside other environmental indicators. This data is broken down into core life-cycle stages, covering production, construction, use, and end-of-life.Ìý

For manufacturers, this shift presents a challenge and an opportunity. As sustainability expectations grow, contractors and clients increasingly require EPDs from their supply chains. Without them, manufacturers risk exclusion from tenders where transparency on environmental impact is now a key selection criterion.Ìý

The regulatory and market drivers for EPD adoption

Several regulatory and industry-led initiatives are accelerating EPD and materials passport adoption:

UK Net-Zero Commitments & PAS 2080: The UK’s net-zero strategy is driving stricter embodied carbon reporting, with PAS 2080 emphasizing life-cycle assessment (LCA) and material transparency.

EU Level(s) Framework & Ecodesign for Sustainable Products Regulation (ESPR): UK manufacturers selling in the European market must comply with ESPR, reinforcing the need for transparent product environmental data.

Client and investor demand: With EDG (Environmental, Social, and Governance) criteria shaping investment and procurement decisions, having EPDs can be a competitive advantage.

Mapping low-carbon products with digital tools

To fully utilise EPDs and materials passports, the industry must leverage digital tools that simplify access to environmental data. Platforms aggregating EPDs and materials passports into searchable databases allow architects, engineers, and contractors to compare materials based on carbon footprint, sourcing, and end-of-life potential. These tools also provide manufacturers with a platform to showcase their products, helping specifiers select materials aligned with sustainability targets and regulations.

EPDS and materials passports in building certifications

EPDs and materials passports contribute to key sustainability certifications. EPDs support compliance with embodied carbon reduction targets in BREEAM, LEED, RICS, and Level(s), while materials passports enhance circularity by tracking material provenance and reuse potential. Though not yet mandatory, they are increasingly recognised as essential for meeting sustainability benchmarks and certification requirements.

Streamlining EPD generation for materials passports

For EPDs to drive widespread materials passport adoption, the process of generating them must be efficient and accessible. Historically, EPD production was time-consuming and costly, but advancements in life-cycle assessment (LCA) software are streamlining and semi-automating the process.

Manufacturers can now more efficiently, ensuring their products are market-ready and compliant with evolving regulations. By leveraging such tools, construction professionals can integrate materials passports into workflows more seamlessly, reducing complexity and improving traceability.Ìý

Beyond EPDs: enabling circular construction through digital solutions

Beyond EPDs, digital platforms play a key role in promoting low-carbon materials. Global material databases, like provided by One Click LCA, help AEC professionals assess materials based on environmental impact while allowing manufacturers to showcase their lower-carbon products. By integrating these tools, the industry can build a structured, accessible pathway from EPD creation to materials passport adoption, embedding sustainability within material selection and procurement.

From data to action: embedding materials passports in practice

To fully realise the potential of materials passports, stakeholders across the built environment must collaborate to standardise data collection, enhance material traceability, and integrate passports into Building Information Modelling (BIM) workflows. This involves:

Manufacturers prioritising EPD generation to ensure materials are eligible for passports and suitable for reuse.
Architects and engineers incorporating materials passports into specifications, considering end-of-life material value at the design stage.
Contractors and developers leveraging material databases to select circular products that align with sustainability goals.

A call to action for a circular future

As circular construction gains momentum, materials passports are emerging as a critical tool in the transition. However, without the foundational data provided by EPDs, their full potential remains unrealised.

For real progress, manufacturers, specifiers, and policymakers must work together to ensure environmental data is not only available but actively used to support material reuse and carbon reduction. By embracing materials passports and the EPDs that enable them, the UK’s construction sector can take a more meaningful step towards a truly sustainable, resource-efficient future.

How EPDs support materials passports

How EPDs support materials passportsWhy should you have an EPD to obtain a materials passport?Benefit to materials passport
Standardised environmental dataEnsures that all environmental impacts are measured consistently across materials.Facilitates accurate life-cycle impact assessments, which are essential for evaluating reuse and recycling potential.
Third-party verificationConfirms that the environmental claims made about materials ate independently verified.Enhances the reliability and credibility of material information in the materials passport.
Embodied carbon measurement (GWP)Quantifies the greenhouse gas emissions associated with a material’s life-cycle.Supports informed decision-making in carbon-conscious construction and design projects.
Compliance with industry frameworksEPDs often comply with recognised standards and certifications, such as PAS 2080, LEED, BREEAM, and Level(s).Ensures the material’s data complies with relevant regulatory and sustainability frameworks.
Market competitivenessManufacturers with verified EPDs are more likely to be preferred in tenders and procurement processes.Enhances a material’s market appeal, making it more competitive in sustainable building projects.

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