Standards

International alignment. Verifiable results.

To ensure your LCA work meets certification, verification and reporting requirements, C-LCA provides a calculation backbone aligned with the core ISO and EN standards in the field.

EN 15804+A2 (2019)

EPD for construction products

The A2 revision of the European standard is mandatory for all new EPDs from 2024 onwards. It defines core and additional environmental impact indicators, life cycle scope through A1-A5 / B1-B7 / C1-C4 / D modules, the modulary table and data quality requirements.

ISO 14040 (2006)

LCA Principles and Framework

The international standard defining the underlying principles and methodological framework of life cycle assessment. Establishes the four main phases: goal and scope definition, inventory analysis, impact assessment and interpretation.

ISO 14044 (2006)

LCA Requirements and Guidelines

Spells out how the ISO 14040 framework is implemented in practice. Governs data quality requirements, allocation rules, sensitivity analysis and the critical review process.

ISO 14025 (2006)

Type III Environmental Declarations (EPD)

Sets out the rules for preparing and publishing Type III environmental declarations. Covers Product Category Rules (PCR), independent verification and public communication requirements.

PAS 2050 (2011)

Product Carbon Footprint

Pragmatic methodology published by the British Standards Institution for assessing the greenhouse gas emissions of goods and services. A carbon-focused subset of EN 15804.

GHG Protocol Corporate Standard

Corporate Greenhouse Gas Accounting

Developed by WRI and WBCSD; the world's most widely used corporate carbon-accounting standard. Defines Scope 1 (direct), Scope 2 (purchased energy) and Scope 3 (supply chain) emissions.

PEFCR (Product Environmental Footprint Category Rules)

EU Commission Category Rules

Product-specific environmental footprint calculation rules from the European Commission. Reference framework for sustainable consumer information and EU single-market regulation.

Blog

Technical articles on the standards