Trend watch: Embodied carbon measurement & reduction in 2026 — signals, winners, and red flags

Embodied carbon now accounts for roughly half of a new building's total lifecycle emissions, and in some low-energy buildings the share exceeds 70%. As operational energy intensity declines through electrification and grid decarbonization, the carbon locked into materials, manufacturing, transport, and construction has become the dominant emissions frontier for the built environment. In 2026, regulatory mandates, procurement standards, and digital measurement tools are converging to make embodied carbon reduction not just a design aspiration but a compliance requirement across Europe and increasingly worldwide.

Why It Matters

The built environment generates approximately 37% of global energy-related carbon dioxide emissions, according to the UN Environment Programme's 2024 Global Status Report for Buildings and Construction. Of that total, embodied carbon from materials and construction processes represents 8 to 11% of global emissions, roughly equivalent to the entire transport sector's direct emissions. Cement production alone accounts for approximately 8% of global CO2 emissions, while steel manufacturing contributes another 7 to 9%.

The regulatory trajectory in Europe has shifted from voluntary guidance to binding requirements. France's RE2020 regulation, effective since January 2022, imposed the world's first national limits on embodied carbon in new buildings, setting thresholds that tighten every three years through 2031. The Netherlands' MPG (Milieu Prestatie Gebouwen) standard requires lifecycle environmental performance calculations for all new buildings, with the threshold reduced from 1.0 to 0.8 in 2024 and scheduled to drop further to 0.5 by 2030. Denmark introduced mandatory whole-life carbon limits for buildings exceeding 1,000 square meters in 2023, with the threshold tightening from 12 kg CO2e per square meter per year to 8 kg CO2e by 2027.

The European Commission's proposal for a revised Energy Performance of Buildings Directive (EPBD) includes requirements for whole-life carbon reporting in new buildings by 2028 and mandatory maximum limits by 2030. The UK's proposed Part Z amendment to Building Regulations would establish national embodied carbon limits aligned with RIBA 2030 Climate Challenge targets. Together, these policies are creating a compliance landscape where embodied carbon measurement transitions from best practice to prerequisite.

Financial markets are reinforcing regulatory signals. The Carbon Risk Real Estate Monitor (CRREM) now incorporates embodied carbon into its stranding risk analysis for real estate portfolios. Major institutional investors including Norges Bank Investment Management and APG Asset Management have begun requiring embodied carbon disclosures from real estate fund managers. The EU Taxonomy's "do no significant harm" criteria for construction activities include lifecycle carbon assessment requirements that directly affect green bond eligibility for construction projects.

Key Signals to Watch

Signal 1: Digital EPD Platforms Are Reaching Critical Mass

Environmental Product Declarations (EPDs) provide standardized, third-party verified data on the lifecycle environmental impacts of building materials. The number of published EPDs in Europe grew from approximately 35,000 in 2022 to over 85,000 by the end of 2025, driven by procurement requirements from public sector buyers and major developers. Digital platforms including One Click LCA, EC3 (Embodied Carbon in Construction Calculator), and the INIES database in France are aggregating EPD data into searchable tools that enable material-level carbon comparisons during design.

The critical development in 2026 is the emergence of machine-readable, API-accessible EPD databases. Building Information Modeling (BIM) software from Autodesk, Nemetschek, and Trimble now integrates directly with EPD databases, enabling automated embodied carbon calculations as designers select materials. This integration transforms embodied carbon from a post-design assessment into a real-time design parameter, making low-carbon material substitution as straightforward as checking structural specifications.

Signal 2: Low-Carbon Concrete Is Moving from Niche to Default

Concrete represents 30 to 50% of embodied carbon in typical commercial buildings. The past three years have seen rapid maturation of low-carbon concrete technologies, with Portland cement replacement rates increasing from traditional 20 to 30% supplementary cementite materials (SCMs) to 50 to 70% using combinations of ground granulated blast furnace slag, calcined clays, and limestone fines.

Heidelberg Materials (formerly HeidelbergCement) launched its EcoCrete product line across Europe in 2024, offering concrete with 30 to 50% lower carbon intensity than CEM I baselines at price premiums of only 3 to 8%. Holcim's ECOPact range achieved 30 to 100% CO2 reduction compared to standard concrete and accounted for 15% of the company's European ready-mix sales in 2025. CEMEX's Vertua product line reported similar adoption curves in the UK and Spain.

The tipping point in 2026 is that low-carbon concrete is becoming available at minimal cost premium in most European markets, eliminating the economic argument that historically constrained adoption. Projects specifying standard Portland cement increasingly face questions from investors and planning authorities about why lower-carbon alternatives were not selected.

Signal 3: Mass Timber Is Scaling Beyond Residential

Cross-laminated timber (CLT) and glued laminated timber (glulam) construction expanded significantly in 2024 and 2025, with the European CLT market growing at approximately 14% annually. Projects including the 18-story Mjostarnet tower in Norway, the 25-story Ascent tower in Milwaukee, and the planned 40-story W350 project in Tokyo have demonstrated that timber structures can compete with concrete and steel at heights previously considered infeasible.

In 2026, the signal to watch is mass timber adoption in commercial and institutional buildings beyond the showcase projects. Sweden's Folkhem developed standardized CLT apartment designs that achieve construction times 30% faster than equivalent concrete structures. Austrian manufacturer Stora Enso expanded CLT production capacity by 40% in 2025 to meet growing demand. The UK's Construction Leadership Council identified mass timber as a strategic priority for reducing construction sector emissions.

However, practitioners should monitor timber supply chain sustainability carefully. Not all timber is carbon-negative. Lifecycle assessments depend critically on forest management practices, transport distances, and end-of-life scenarios. FSC and PEFC certification, combined with transparent chain-of-custody documentation, remain essential for credible carbon claims.

Emerging Winners

Companies

One Click LCA has established itself as the leading lifecycle assessment platform for construction in Europe, with over 10,000 organizational users across 170 countries. Their integration with major BIM platforms and growing EPD database connectivity positions them as the de facto standard for embodied carbon measurement in regulated markets.

Holcim leads among global cement producers in low-carbon product commercialization. Their ECOPact range, combined with investments in carbon capture (including the Brevik CCS project in Norway), positions the company to meet tightening carbon intensity standards across European markets.

Stora Enso has leveraged its position as Europe's largest CLT producer to capture growing demand for mass timber in commercial construction. Their investment in design tools and engineering support services differentiates them from commodity timber suppliers.

Material Mapper (acquired by Autodesk in 2025) pioneered automated material quantity extraction from BIM models for embodied carbon assessment, reducing the time required for whole-life carbon calculations from weeks to hours.

Standards and Frameworks

The EN 15978 standard for sustainability assessment of construction works provides the methodological foundation for embodied carbon calculations across Europe. Its revision, currently in final committee draft stage, will align more closely with the Level(s) framework, improving consistency across member states.

The Level(s) framework, developed by the European Commission, provides standardized reporting metrics for building lifecycle performance. Indicator 1.2 specifically addresses lifecycle global warming potential, and its adoption as the reference framework in the revised EPBD will drive standardized embodied carbon reporting across the EU.

Red Flags

Red Flag 1: Greenwashing in Carbon Offset Claims for Materials

Some manufacturers have begun marketing "carbon neutral" concrete and steel using purchased carbon offsets rather than actual process emissions reductions. These claims frequently rely on avoided emissions credits, forestry offsets of questionable permanence, or renewable energy certificates that do not represent additional generation. Engineers and specifiers should demand product-level EPDs showing actual cradle-to-gate emissions reductions rather than accepting offset-adjusted figures.

Red Flag 2: Data Quality Gaps in Generic vs. Product-Specific EPDs

Many lifecycle assessment tools default to generic (industry-average) EPD data when product-specific declarations are unavailable. Generic data can overestimate or underestimate actual emissions by 30 to 60%, depending on the material category and regional manufacturing practices. As regulations shift from reporting to compliance with absolute thresholds, reliance on generic data introduces significant risk of either unnecessary overdesign or non-compliance. Engineers should prioritize specifying materials with product-specific EPDs and flag projects where more than 40% of embodied carbon calculations rely on generic data.

Red Flag 3: Ignoring Lifecycle Stages Beyond A1-A3

Most current embodied carbon assessments focus exclusively on product stage emissions (modules A1 through A3 in EN 15978), covering raw material extraction, transport, and manufacturing. This approach ignores potentially significant emissions from construction processes (A4-A5), maintenance and replacement (B1-B5), and end-of-life treatment (C1-C4). France's RE2020 requires assessment of modules A through C, and the revised EPBD is expected to mandate similar whole-life assessment. Engineers designing to A1-A3 only may find their projects non-compliant under forthcoming regulations.

Red Flag 4: Structural Over-Design Inflating Material Volumes

Studies by the Institution of Structural Engineers indicate that typical buildings use 30 to 50% more structural material than technically necessary, driven by conservative design practices, standardized member sizes, and limited optimization incentives. Addressing structural efficiency through optimization software, performance-based design, and value engineering can reduce embodied carbon by 15 to 25% without any change in material type. This represents the lowest-cost embodied carbon reduction strategy available, yet it receives far less attention than material substitution.

Action Checklist

• Establish baseline embodied carbon measurements for all new projects using EN 15978 methodology and product-specific EPDs where available
• Specify low-carbon concrete (minimum 30% GWP reduction vs. CEM I baseline) as the default for all structural and non-structural concrete applications
• Integrate embodied carbon assessment into BIM workflows using One Click LCA, EC3, or equivalent platforms with real-time material carbon feedback
• Evaluate mass timber as structural system for buildings under 12 stories, with FSC/PEFC certification required for all timber procurement
• Require product-specific EPDs from material suppliers for the top 10 materials by carbon contribution in each project
• Commission structural optimization reviews targeting 15 to 25% material volume reduction through performance-based design
• Map upcoming regulatory requirements (RE2020 tightening, EPBD whole-life carbon mandates, national building code updates) and align design standards accordingly
• Train design and procurement teams on whole-life carbon assessment methodology covering modules A through C

Sources

• UN Environment Programme. (2024). 2024 Global Status Report for Buildings and Construction. Nairobi: UNEP.
• European Commission. (2024). Proposal for a Revised Energy Performance of Buildings Directive: Impact Assessment. Brussels: EC.
• Institution of Structural Engineers. (2024). Structural Material Efficiency in Buildings: Quantifying the Gap Between Design and Optimum. London: IStructE.
• World Green Building Council. (2025). Bringing Embodied Carbon Upfront: Status of Regulation and Industry Practice. London: WorldGBC.
• Holcim Group. (2025). Annual and Sustainability Report 2024: Low-Carbon Products and Solutions. Zug, Switzerland: Holcim.
• Carbon Risk Real Estate Monitor. (2025). CRREM Global Pathways: Integrating Embodied Carbon into Stranding Risk Analysis. Worms, Germany: CRREM.
• One Click LCA. (2025). European Embodied Carbon Benchmarks: Analysis of 15,000 Building Assessments. Helsinki: One Click LCA.