April 13, 2025

GWP Performance Benchmark and Classification for Australian Concrete Products

australia-concrete-overall-market-distribution

Co-developed with the Materials & Embodied Carbon Leaders’ Alliance (MECLA), tailored for the Australian built environment.

Overview

Concrete is the most widely used construction material in Australia and a significant source of embodied carbon.

To help industry stakeholders reduce emissions and make informed choices, LCMH and MECLA have co-developed a Concrete Products Benchmark, tailored specifically to the Australian context.

This benchmark offers a dual-layered framework for assessing and comparing the Global Warming Potential (GWP) of concrete products using verified Environmental Product Declarations (EPDs).

It includes:

  • LCMH’s Live Benchmark (LCMH Rating) – a dynamic, percentile-based market benchmark.

  • MECLA’s Classification – a stable reference baseline guidance, grounded in global best practices and adapted for Australia.

Both the LCM Rating and MECLA Classification are segmented by concrete strength class.

At this stage, they do not account for other concrete characteristics such as application (e.g. foundations, slabs), production method (e.g. ready-mix, precast), or performance attributes beyond compressive strength (e.g. durability, workability).

LCMH Live Benchmark (LCMH Rating)

The LCMH Live Benchmark is a percentile-based rating system that reflects the actual performance of available concrete products in the Australian market.

It is based on the Low Carbon Concrete Group (LCCG) market benchmark approach in the UK.

The benchmark is continuously updated using LCMH’s database of concrete EPDs, covering a wide range of suppliers, mix designs, and geographic locations.

LCMH Rating Bands

  • LCM-1: 0–20th percentile - Market-leading low carbon concrete

  • LCM-2: 20–40th percentile - Better than average performance

  • LCM-3: 40–60th percentile - Market average

  • LCM-4: 60–80th percentile - Higher-than-average GWP

  • LCM-5: 80–100th percentile - High GWP impact concrete 

LCMH Rating Compressive Strength in MPa chart
LCMH Rating Definition chart

Access the live chart

MECLA’s Concrete Classification

MECLA’s classification system offers a baseline reference for industry and government to understand and set embodied carbon targets.

It is based on the Embodied Carbon Classification Scheme for Concrete developed in the UK and adapted to Australia’s standards and context.

It provides clear thresholds for A-F concrete classifications to support policy development, procurement frameworks, and specification guidance.

Screenshot 2025-04-12 at 16.52.03
Screenshot 2025-04-12 at 16.52.19

Access the live chart

National & State-Level Data

The benchmark provides both national and state-level GWP performance distributions for each strength class:

  • National Data is the default display, showing the full Australian market range

  • State-Level Data can be viewed by selecting a state on the interactive map

Both LCMH Ratings and MECLA’s Classifications are developed at the national level. All state-level results are compared against these national benchmark bands, ensuring consistency and comparability across regions.

Screenshot 2025-04-12 at 16.49.36

Access the live chart

Downloadable Benchmark Charts & Tables

All benchmark visuals and data tables are available for download as PDF files, including:

  • National benchmark 

  • State-level benchmarks 

  • LCMH Rating percentile tables

  • MECLA classification tables

Access the live chart

Note on Versioning: The LCMH Rating is a live benchmark and automatically updates as new EPDs are added to our database. Please record the download date as your benchmark version reference. This ensures clarity when comparing across projects or over time.

Explore our database of low carbon materials

Powered by AI, verified by industry experts, and updated in real-time, ensuring you have the latest reliable information at your fingertips to focus on what truly matters: making sustainable choices.

Related articles

supplier-market-assessment
Sustainability

Supplier Market Assessment

LCMH has undertaken a supplier-level market assessment using currently available EPD data. This assessment provides a high-level overview of the Australian concrete supplier landscape, with a focus on GWP performance and the distribution of concrete products available from suppliers with EPDs.

australia-concrete-reference-database
Sustainability

Reference Database Comparison

To support more informed material choices and carbon target-setting, LCMH has integrated a comparative view of Australia’s most widely used reference benchmarking databases for concrete.

250412_1
Sustainability

Imported Building Materials: The Next Frontier in Australia’s Carbon Accounting Challenge

Australia’s building industry is undergoing a significant transformation as it moves towards low-carbon construction. While strong progress has been made in decarbonising locally produced materials such as concrete, steel, and timber, there remains a major blind spot in carbon planning: imported building materials. With Australia heavily reliant on global supply chains, addressing the carbon impact of these imports is becoming increasingly critical.