Trend analysis: Embodied carbon in real estate & construction — where the value pools are (and who captures them)

The construction industry accounts for 37% of global energy-related carbon emissions, and roughly 11% of that total, approximately 3.6 gigatons of CO2 annually, comes from embodied carbon: the emissions locked into materials, manufacturing, transportation, and construction processes before a building ever opens its doors. For decades, the real estate sector focused almost exclusively on operational carbon (heating, cooling, lighting), where efficiency gains and electrification delivered measurable reductions. That era is ending. As operational energy efficiency improves and grids decarbonize, embodied carbon's share of whole-life building emissions is rising toward 50% in new construction and exceeds 70% in high-performance or net-zero-energy buildings. The value pools in embodied carbon reduction are large, growing, and increasingly clear, but the players positioned to capture them are shifting faster than most market participants recognize.

Why It Matters

Regulatory pressure in Europe is making embodied carbon a compliance issue, not merely a sustainability aspiration. France's RE2020 regulation, effective since January 2022, imposed the world's first binding embodied carbon limits on new buildings, with thresholds tightening every three years through 2031. The Netherlands requires whole-life carbon assessments (MPG calculations) for all new buildings and has progressively lowered the maximum permissible environmental impact score. Denmark introduced a mandatory carbon limit of 12 kg CO2e per square meter per year for new buildings over 1,000 square meters in 2023, dropping to 10.5 kg by 2025. The EU's revised Energy Performance of Buildings Directive (EPBD), adopted in 2024, requires member states to calculate and disclose whole-life carbon for all new buildings from 2028, with mandatory limits expected by 2030.

The financial implications are substantial. Green building premiums in Europe now correlate with embodied carbon performance. A 2024 JLL analysis found that BREEAM Outstanding-rated office buildings in London commanded rental premiums of 12 to 18% over conventionally built equivalents, and buildings with documented low-embodied-carbon credentials achieved an additional 3 to 5% premium. CBRE's European Investor Intentions Survey 2025 found that 67% of institutional investors now consider embodied carbon in acquisition due diligence, up from 28% in 2021.

The market opportunity is driven by a fundamental asymmetry: embodied carbon can be reduced by 30 to 50% using commercially available materials and design strategies at cost premiums of only 1 to 5%, yet most projects do not attempt it because measurement and optimization capabilities remain unevenly distributed. This gap between what is technically feasible and what is commonly practiced defines the value pools described below.

Key Concepts

Environmental Product Declarations (EPDs) are standardized, third-party-verified documents that quantify the environmental impacts of construction products across their lifecycle. EPDs follow EN 15804+A2 in Europe and ISO 14025 globally. They provide the raw data that enables embodied carbon calculation at the building level. The number of published EPDs in the ECO Platform database grew from approximately 3,200 in 2020 to over 12,500 by the end of 2025, but significant product categories (specialty glass, mechanical equipment, interior finishes) remain poorly covered.

Whole-Life Carbon Assessment (WLCA) calculates total building emissions across all lifecycle stages: product manufacturing (A1-A3), construction (A4-A5), use-phase replacements and maintenance (B1-B5), operational energy (B6-B7), and end-of-life demolition and disposal (C1-C4). Module D accounts for benefits from material reuse and recycling beyond the building boundary. WLCA provides the comprehensive view required by regulations such as RE2020 and the EPBD, and increasingly by green bond frameworks and sustainability-linked loan covenants.

Carbon Benchmarking establishes reference values for embodied carbon intensity (kg CO2e per square meter of gross floor area) by building type, structural system, and region. The RIBA 2030 Climate Challenge targets set benchmarks of 600 kg CO2e/m2 for residential and 750 kg CO2e/m2 for commercial buildings by 2025, declining to 400 and 500 kg CO2e/m2 respectively by 2030. LETI's Climate Emergency Design Guide provides similar targets widely adopted across UK practice. These benchmarks enable project teams to set meaningful targets and evaluate design alternatives.

Carbon Sequestration in Bio-based Materials refers to the carbon stored in timber, bamboo, straw, hemp, and other plant-derived construction materials. A cubic meter of cross-laminated timber (CLT) stores approximately 700 to 900 kg of CO2, meaning mass timber buildings can achieve negative embodied carbon in their structural systems. The sequestration benefit depends on assumptions about building lifespan and end-of-life scenarios, which remain contentious in lifecycle assessment methodology.

Value Pool 1: Low-Carbon Materials Manufacturing

The largest and most direct value pool sits with manufacturers who can produce lower-carbon versions of high-volume construction materials. Concrete (responsible for roughly 8% of global emissions), steel (7%), and aluminum (2%) together account for the majority of embodied carbon in typical buildings.

Concrete and cement present the biggest near-term opportunity. Heidelberg Materials (formerly HeidelbergCement) has scaled its EcoCrete product line offering 30 to 50% lower CO2 per cubic meter through supplementary cementitious materials (SCMs) including ground granulated blast furnace slag and fly ash. CEMEX's Vertua range includes a net-zero-carbon concrete product. Holcim's ECOPact achieved 10 million cubic meters in sales by 2024. These companies capture value through premium pricing of 5 to 15% over conventional concrete, with margins supported by lower clinker ratios that reduce fuel costs.

Steel value capture concentrates among electric arc furnace (EAF) producers using recycled scrap. Nucor, the largest EAF producer in North America, produces steel with 75% lower emissions than integrated blast furnace production. In Europe, SSAB's HYBRIT initiative produced the world's first fossil-free steel using hydrogen direct reduction in 2021 and is scaling toward commercial production with a target of 2.7 million tons annually by 2030. Green steel commands premiums of 20 to 30% in current markets, though premiums are expected to decline as capacity scales.

Mass timber manufacturers are capturing an emerging value pool as CLT and glulam replace concrete and steel in mid-rise construction. Stora Enso, the world's largest CLT producer, reported 40% revenue growth in its wood products division between 2021 and 2024. Mercer International and Mayr-Melnhof Holz have expanded capacity to meet rising European demand. The EU Timber Regulation and the expanding EUDR are shaping sustainable sourcing requirements that favor certified producers.

Value Pool 2: Design-Phase Carbon Optimization Software

The second value pool belongs to software companies that enable architects and engineers to optimize embodied carbon during design, when 80% of emissions are determined but only 20% of costs have been committed.

One Click LCA, a Finnish company, has become the dominant platform for building lifecycle assessment in Europe, with over 25,000 users across 150 countries. The platform integrates with BIM software (Revit, ArchiCAD) and connects to EPD databases, enabling real-time embodied carbon calculation as designs evolve. One Click LCA captures value through annual subscriptions ranging from EUR 5,000 for small firms to EUR 50,000+ for enterprise licenses. The company raised EUR 40 million in Series B funding in 2023, valuing the business at approximately EUR 200 million.

Tangible, a UK-based startup, focuses specifically on early-stage design optimization, allowing architects to compare structural systems and material palettes before detailed engineering begins. This "optioneering" phase is where the largest carbon reductions can be achieved at the lowest cost. The company's platform has been used on over 500 projects, including several of London's largest commercial developments.

Building Transparency's EC3 tool provides open-access embodied carbon calculation for the North American market. While free to use, Building Transparency captures value through enterprise partnerships and has influenced procurement specifications for major owners including Microsoft, Amazon, and the US General Services Administration.

Value Pool 3: Carbon Verification and Benchmarking Services

As regulation mandates disclosure and limits, verification services are becoming essential infrastructure. The value pool here mirrors the trajectory of energy performance certificates, which created a multi-billion-euro market in assessment and compliance services across Europe.

BRE Group (operator of BREEAM) has incorporated embodied carbon assessment into its certification framework, creating demand for BREEAM assessors with lifecycle assessment expertise. DGNB, the German sustainable building council, has made WLCA a mandatory component of its certification since 2018. Each certification cycle generates assessment fees of EUR 15,000 to EUR 50,000 per project, with the assessor ecosystem capturing a significant share.

SGS, Bureau Veritas, and TUV have expanded into EPD verification services, processing the growing volume of product declarations required by manufacturers seeking to demonstrate low-carbon credentials. EPD verification typically costs EUR 5,000 to EUR 15,000 per declaration, with annual surveillance fees, creating recurring revenue streams.

The emerging opportunity is portfolio-level carbon benchmarking for institutional investors. Firms that can assess embodied carbon across real estate portfolios of 50 to 500 assets, integrating building age, materials, and renovation history into portfolio carbon intensity metrics, will capture significant advisory and data revenues as SFDR Article 9 funds and Paris-aligned benchmarks require this data.

Value Pool 4: Circular Construction and Material Reuse

End-of-life value capture through material reuse and recycling represents a nascent but rapidly growing value pool. Module D of the lifecycle assessment framework credits buildings for materials recovered at demolition, creating a financial incentive for design-for-disassembly approaches.

Madaster, a Dutch platform, operates as a "materials passport" registry, documenting the composition and residual value of building materials to facilitate future reuse. Over 5,000 buildings have been registered on Madaster across the Netherlands, Germany, Switzerland, and Norway. The platform charges registration fees and annual hosting costs, building a dataset that becomes increasingly valuable as the stock of documented buildings grows.

Concular, a German startup, operates a marketplace for reclaimed construction materials, connecting demolition projects with new construction that can incorporate reused steel, timber, and facade elements. Rotor Deconstruction in Belgium has pioneered selective demolition techniques that recover intact building components for resale, demonstrating margins of 15 to 25% on reclaimed materials.

The regulatory driver here is the EU's Waste Framework Directive revision, which sets binding targets for construction and demolition waste recovery and encourages member states to mandate pre-demolition audits that quantify reuse potential before allowing conventional demolition.

What's Next

Three developments will reshape the embodied carbon value landscape over the next three to five years.

First, digital material passports will become mandatory for new buildings in multiple European jurisdictions, creating a data layer that enables automated lifecycle assessment and material reuse at scale. The EU Digital Product Passport regulation, expected to include construction products by 2028, will require machine-readable environmental data for key material categories.

Second, embodied carbon limits in green finance will tighten. The EU Taxonomy's substantial contribution criteria for construction already reference lifecycle carbon thresholds. As the taxonomy's technical screening criteria evolve, buildings exceeding embodied carbon benchmarks will become ineligible for taxonomy-aligned financing, increasing the cost of capital for carbon-intensive construction by an estimated 50 to 100 basis points.

Third, AI-driven generative design will make carbon optimization accessible to smaller firms. Autodesk's Forma platform and Hypar's generative tools already enable parametric exploration of structural systems and material combinations, automatically surfacing low-carbon design options that would require weeks of manual analysis. As these tools mature, the competitive advantage of early-adopter firms in carbon optimization will erode, but the total addressable market for low-carbon construction will expand dramatically.

Key Players

Material Producers

Holcim leads low-carbon concrete with ECOPact, targeting 475 kg CO2/ton cement by 2030.

SSAB is scaling fossil-free steel through HYBRIT, with commercial volumes expected by 2026.

Stora Enso dominates European CLT production and is expanding into modular mass timber systems.

Software and Data

One Click LCA holds the leading position in building lifecycle assessment software globally.

Building Transparency operates the open-access EC3 tool used across North America.

Madaster provides materials passport infrastructure for circular construction.

Investors and Funders

European Investment Bank provides preferential financing for buildings meeting embodied carbon thresholds through its Climate Awareness Bonds program.

Norges Bank Investment Management (Norwegian sovereign wealth fund) incorporates embodied carbon into real estate portfolio climate risk assessment.

Breakthrough Energy Ventures has invested in low-carbon cement and steel technologies targeting the construction sector.

Action Checklist

• Conduct whole-life carbon assessments for all new projects using EN 15804+A2-compliant data and tools
• Establish project-level embodied carbon targets aligned with RIBA 2030 or LETI benchmarks
• Require EPDs for all structural and envelope materials in procurement specifications
• Evaluate low-carbon concrete alternatives (SCM-blended, geopolymer, carbon-cured) for each project
• Assess mass timber feasibility for mid-rise projects where fire code and structural requirements permit
• Register buildings on materials passport platforms to document reuse potential
• Integrate embodied carbon metrics into investment due diligence and asset valuation models
• Monitor evolving regulatory requirements across target European markets, particularly France, Netherlands, Denmark, and the EU EPBD timeline

FAQ

Q: What percentage of a building's whole-life carbon is embodied versus operational? A: For conventionally built buildings in Europe, embodied carbon typically represents 20 to 35% of whole-life emissions over a 60-year reference study period. For high-performance buildings meeting near-zero-energy standards, embodied carbon rises to 50 to 70% because operational emissions are substantially reduced. In net-zero-energy buildings with on-site renewables, embodied carbon can exceed 80% of whole-life impact. As grid decarbonization accelerates, embodied carbon's relative share will continue to increase across all building types.

Q: How much does it cost to reduce embodied carbon by 30 to 40%? A: Most studies find that 20 to 30% embodied carbon reduction can be achieved at zero or negative cost premium through design optimization (efficient structural grids, material quantity reduction, specification of lower-carbon concrete). Achieving 30 to 40% reduction typically adds 1 to 3% to construction costs through material substitution (mass timber for steel, low-carbon concrete, recycled reinforcement). Reductions beyond 40% require more significant interventions (bio-based insulation, reclaimed materials, innovative structural systems) with cost premiums of 3 to 8%, though these are falling as supply chains scale.

Q: What data do I need to calculate embodied carbon for a building? A: At minimum, you need a bill of quantities (material types and volumes for all building elements) and EPDs or generic lifecycle assessment data for each material. For early design stages, parametric estimates based on gross floor area, structural system type, and number of stories can provide useful initial benchmarks. Tools like One Click LCA and EC3 provide default databases, but project-specific EPDs from actual suppliers improve accuracy significantly. For regulatory compliance under RE2020 or the EPBD, third-party-verified EPDs and EN 15978-compliant calculation methodology are typically required.

Q: Which materials contribute the most embodied carbon in a typical building? A: Structure and substructure (concrete, steel, reinforcement) typically account for 40 to 60% of total embodied carbon. The building envelope (curtain wall, cladding, insulation, windows) contributes 15 to 25%. MEP systems (mechanical, electrical, plumbing) account for 10 to 15%. Interiors and finishes contribute 10 to 15%. The highest-impact interventions target the structural system, where material choices made early in design lock in the majority of embodied carbon. Reducing concrete volume through post-tensioning, voided slabs, or optimized structural grids often delivers larger reductions than switching to alternative binders.

Q: How do EPDs work, and why are they important for embodied carbon management? A: An EPD is a standardized document, verified by an accredited third party, that quantifies the environmental impacts of a specific product based on lifecycle assessment. EPDs follow product category rules (PCRs) that ensure comparability within material categories. They report global warming potential (in kg CO2e per declared unit), plus other impact categories including acidification, eutrophication, and resource depletion. EPDs are important because they provide the supplier-specific data needed to calculate actual project embodied carbon, rather than relying on generic industry averages. Specifying EPDs in procurement documents drives transparency and enables selection of lower-carbon products within each material category.

Sources

• International Energy Agency. (2024). Global Status Report for Buildings and Construction 2024. Paris: IEA and UN Environment Programme.
• JLL Research. (2024). Green Premium Tracker: European Office Markets. London: Jones Lang LaSalle.
• Pomponi, F. & Moncaster, A. (2024). "Embodied carbon of buildings: a review of methodologies, results, and policy implications." Building and Environment, 243, 110627.
• RIBA. (2023). RIBA 2030 Climate Challenge: Monitoring Progress. London: Royal Institute of British Architects.
• World Green Building Council. (2024). Bringing Embodied Carbon Upfront: Global Status Report. London: WorldGBC.
• European Commission. (2024). Revised Energy Performance of Buildings Directive (EPBD): Final Text. Brussels: Official Journal of the EU.
• Habert, G., et al. (2024). "Environmental impacts and decarbonization strategies for cement and concrete." Nature Reviews Earth and Environment, 5(3), 198-213.
• One Click LCA. (2025). Carbon Heroes Benchmark: Global Embodied Carbon Database Statistics 2024. Helsinki: Bionova Ltd.