Whole-Building Lifecycle Assessment
Understand how Life Cycle Assessment evaluates the environmental impacts of a building across its full lifecycle, from raw material extraction and construction through operation, maintenance and end of life.
For architects, developers, builders and sustainability teams seeking a structured whole-building assessment of lifecycle stages, environmental impact categories, system boundaries and long-term project performance.
Discuss Your Life Cycle AssessmentIn Brief
A Life Cycle Assessment, commonly shortened to LCA, is a structured method for evaluating the environmental impacts associated with a building, material, product or system across defined stages of its lifecycle. The assessment establishes a clear goal, scope and system boundary before measuring how resources, processes and emissions contribute to selected environmental impact categories.
A whole-building Life Cycle Assessment considers the combined influence of building structure, façades, finishes, services and other included elements rather than examining one product in isolation. Depending on the agreed scope, it may assess impacts associated with raw material extraction, manufacturing, transport, construction, operation, maintenance, replacement and end-of-life processes.
The results can help architects, developers, builders and sustainability teams understand where environmental impacts occur across the building lifecycle. Embodied carbon may form an important part of the assessment, alongside other indicators selected for the project, while the broader LCA framework provides the methodology needed to compare options consistently and support informed design decisions.
Environmental impacts associated with defined lifecycle stages, processes and building elements within the agreed goal, scope and system boundary.
It provides a consistent basis for locating lifecycle impacts, comparing project options and making decisions before important design choices become fixed.
It may inform whole-building environmental assessment, design comparison, sustainability rating pathways and broader lifecycle performance strategies.
Knowledge Navigation
Explore how Life Cycle Assessment measures environmental performance across a building's lifecycle, from defining system boundaries and lifecycle stages through to environmental impacts, embodied carbon and practical project applications.
Foundation
Learn what Life Cycle Assessment is, why it is used and how it evaluates environmental performance across the built environment.
Purpose
Understand how LCA supports better environmental decision making throughout planning, design, construction and asset management.
Lifecycle Framework
Explore product, construction, use, maintenance, replacement, recovery and end of life stages within an LCA.
Assessment Scope
See how complete buildings are assessed by considering multiple systems and lifecycle stages together.
Methodology
Follow the key stages of an assessment including goal and scope definition, inventory, impact assessment and interpretation.
Environmental Indicators
Discover how LCA can evaluate global warming potential alongside other environmental impact categories.
Carbon Assessment
Learn how embodied carbon fits within the broader Life Cycle Assessment methodology for buildings.
Project Information
Understand how Environmental Product Declarations and reliable project data improve assessment quality.
Applications
Explore how Life Cycle Assessment supports Green Star, ISCA, NABERS and other sustainability frameworks.
Life Cycle Assessment
Life Cycle Assessment, commonly shortened to LCA, is a structured method for evaluating the environmental impacts associated with a building, material, product or system across defined stages of its lifecycle. An assessment begins by establishing its goal, scope, functional basis and system boundary, creating a consistent framework for understanding which building elements, processes and lifecycle stages are included.
For buildings, LCA can consider the combined influence of raw material extraction, manufacturing, transport, construction, operation, maintenance, replacement and end-of-life processes. It may assess structure, façades, finishes, building services and other project components together, allowing environmental performance to be examined at a whole-building level rather than through isolated product decisions.
LCA can evaluate a range of environmental impact categories depending on the assessment method and project requirements. Global warming potential, which is commonly expressed through carbon dioxide equivalent emissions, may form an important part of the results, but it is not the only possible measure. Where the primary objective is to understand carbon associated with building materials and construction, the Embodied Carbon Knowledge Hub provides a more focused explanation of that reporting pathway.
A building LCA can help identify where significant environmental impacts occur, test the influence of different design assumptions and compare project options on a consistent basis. The resulting evidence can support architects, engineers, ESD consultants, developers and project owners when reviewing building systems, material strategies, replacement cycles and broader lifecycle performance.
The selected goal, scope, lifecycle stages, system boundary, project data and comparison basis all influence what the results can reliably demonstrate. These methodological steps are explained further in the Life Cycle Assessment process.
Lifecycle Decision Making
Life Cycle Assessment matters because environmental performance is shaped by decisions made across the entire life of a building. Product manufacture, construction, operation, maintenance, replacement and end-of-life processes can each influence the overall environmental outcome of a project.
Individual design decisions can shift impacts between building systems, lifecycle stages and environmental indicators. A material option may reduce one impact while increasing another, or perform differently when durability, replacement frequency, transport and end-of-life assumptions are considered. LCA provides a structured basis for examining these relationships rather than relying on isolated product claims.
By defining a consistent assessment scope and comparison basis, project teams can identify where significant impacts occur, test alternative design scenarios and understand how early choices may influence long-term building performance. This is particularly valuable while structural systems, façades, services, material quantities and procurement strategies remain open to review.
The value of LCA is therefore not limited to producing a final report. Its wider purpose is to make lifecycle consequences visible, support transparent comparison and provide evidence for better environmental decision making throughout design, construction and asset planning.
LCA shows how impacts may occur across product, construction, use, maintenance, replacement and end-of-life stages. Explore the building lifecycle stages included within an assessment.
A defined goal, system boundary and comparison basis allow design and material scenarios to be reviewed using consistent assumptions and project data.
Global warming potential may be one important result within LCA, while carbon-specific reporting is explained in more detail through the Embodied Carbon Knowledge Hub.
LCA evidence may support sustainability frameworks, project reporting and environmental performance pathways. See how these applications connect in the LCA rating systems section.
Whole-Building Assessment
Whole-building Life Cycle Assessment examines the building as an integrated system rather than as a collection of unrelated products. It considers how included building elements, construction processes, replacement cycles and lifecycle assumptions contribute to the environmental performance of the project as a whole.
A whole-building LCA differs from a product-level assessment because the significance of a material depends on its role within the complete design. Quantity, service life, maintenance, replacement frequency, construction method and end-of-life pathway can all affect the result. Product information is therefore interpreted within a defined building scope rather than treated as a standalone measure of project performance.
The assessment may include structural systems, façades, internal finishes, building services and other elements identified within the agreed system boundary. These components can contribute differently across the building lifecycle stages, making it important to consider both initial construction and impacts associated with maintenance, replacement, recovery and disposal.
Comparisons between design options also need to reflect equivalent building functions and consistent assumptions. A lower-impact product is not necessarily the better whole-building option if it requires greater quantities, performs a different function, has a shorter service life or shifts environmental burdens into another lifecycle stage or impact category.
Used during design, whole-building LCA can help teams compare structural approaches, review façade and services strategies, test changes in material quantities and understand how alternative scenarios affect overall lifecycle performance. The reliability of those comparisons depends on the assessment methodology, project information and environmental data described in the LCA process and EPDs and project data sections.
Foundations, frames, floors, walls and roof structures can represent a significant share of building quantities and lifecycle impacts within the assessment boundary.
Façades, glazing, insulation, cladding, membranes and shading systems may influence several environmental indicators as well as long-term building operation.
Partitions, ceilings, flooring, finishes and fitout elements can create recurring impacts where service lives are shorter than the building assessment period.
Mechanical, electrical, hydraulic and other building services may be included where reliable quantities, replacement assumptions and appropriate environmental data are available.
The system boundary, reference study period, included building elements, replacement assumptions and selected environmental impact categories should be clearly documented so that results can be interpreted and compared appropriately.
Environmental Impact Categories
Embodied carbon is one of the environmental impacts that may be evaluated within a Life Cycle Assessment. It represents the greenhouse gas emissions associated with materials, products and construction processes across the defined lifecycle stages included within the assessment.
Life Cycle Assessment provides the framework used to measure environmental performance across a defined system boundary. Within that framework, global warming potential may be reported as embodied carbon alongside other environmental indicators, depending on the assessment methodology and project objectives.
The quantity of materials, expected service life, replacement assumptions, transport distances, construction processes and end-of-life scenarios can all influence embodied carbon results. These factors are evaluated as part of the broader whole-building assessment rather than in isolation.
Projects requiring a detailed explanation of carbon reporting methodologies, carbon hotspots, material comparisons and carbon reduction strategies should refer to the Embodied Carbon Knowledge Hub, which explores this topic in greater depth.
Embodied carbon is an important environmental indicator, but Life Cycle Assessment can evaluate multiple impact categories depending on the assessment methodology.
Carbon results should always be interpreted within the agreed assessment scope, system boundary and whole-building assumptions.
Read the complete Embodied Carbon Knowledge Hub for a detailed explanation of carbon reporting, material emissions and reduction strategies.
Whole Building Performance
Life Cycle Assessment helps project teams understand how environmental impacts occur throughout a building's lifecycle. Depending on the assessment scope, this may include impacts associated with operating the building as well as impacts related to the materials and construction processes used to create it.
Operational impacts are associated with the resources required to operate a building throughout its service life. These may include energy use, maintenance activities and other operational processes depending on the assessment methodology.
Operational performance is influenced by building fabric, services design, occupancy patterns and long-term asset management.
Embodied impacts arise from the materials, products and construction activities associated with the building. Within many LCAs these are commonly expressed through embodied carbon results.
Learn more about detailed carbon reporting in the Embodied Carbon Knowledge Hub.
Rather than viewing operational and embodied impacts independently, Life Cycle Assessment provides a structured methodology for understanding how different lifecycle stages contribute to overall environmental performance. The selected assessment scope determines which impacts are included and how they are interpreted.
Lifecycle Stages
Life Cycle Assessment evaluates environmental impacts across defined stages of a building's lifecycle. These stages provide a consistent framework for understanding where impacts occur, how they are distributed throughout the life of the building and which parts of the project are included within the selected system boundary.
International LCA methodologies divide a building into recognised lifecycle stages so that projects can be assessed and compared using a consistent structure. Depending on the assessment method, these stages generally cover product manufacture, construction, operation, maintenance, replacement and end-of-life processes.
Not every Life Cycle Assessment includes every stage. Some studies examine only upfront impacts associated with product manufacture and construction, while others assess the complete building lifecycle. Understanding the selected scope is essential when interpreting results or comparing different projects. Learn more about assessment methodology in the LCA Process.
Lifecycle stages also help explain why whole-building assessment is more informative than examining individual products in isolation. Material quantities, service life, replacement frequency and end-of-life scenarios can all influence environmental performance over time. This relationship is explored further in Whole-Building Life Cycle Assessment.
Raw material extraction, transport and manufacturing establish the environmental impacts associated with producing construction products.
Transport to site, installation activities and construction processes contribute additional environmental impacts during project delivery.
Maintenance, repair, refurbishment, replacement and operational activities may all contribute environmental impacts throughout the building's service life.
Demolition, transport, waste processing, recycling, recovery and disposal complete the assessed lifecycle, with some methodologies also recognising potential benefits beyond the building's life.
Two Life Cycle Assessments should only be compared when they include similar lifecycle stages, system boundaries and project assumptions. Reliable comparison depends not only on the reported results but also on the assessment methodology, environmental data and Environmental Product Declarations (EPDs) used to produce them.
LCA Methodology
Life Cycle Assessment follows a structured methodology that defines the assessment scope, gathers project information, evaluates environmental impacts and interprets the results. Although individual projects differ, the overall process is based on internationally recognised LCA principles and provides a consistent framework for comparing environmental performance.
Stage 01
The assessment begins by defining its purpose, functional unit, system boundary, lifecycle stages, environmental indicators and intended application. Establishing these assumptions ensures that the results can be interpreted consistently and compared appropriately.
Stage 02
Project information is collected to describe the building and its lifecycle. This may include material quantities, Environmental Product Declarations (EPDs), transport assumptions, construction processes, maintenance schedules, replacement cycles and end-of-life scenarios.
Stage 03
Inventory data is translated into environmental impact indicators using recognised characterisation methods. Depending on the assessment methodology, this may include global warming potential together with other environmental impact categories.
Stage 04
Results are interpreted in the context of the original goal and scope. This includes reviewing data quality, identifying significant contributors, understanding uncertainties and using the findings to support informed design and project decisions.
The value of a Life Cycle Assessment depends on the quality of its project information, environmental datasets and documented assumptions. Clearly defining the assessment scope, system boundary and data sources allows results to be interpreted appropriately for design comparison, lifecycle evaluation and sustainability decision making.
Assessment Inputs
The quality of a Life Cycle Assessment depends on the quality of the information used to create it. Reliable project data, clearly defined assumptions and appropriate environmental datasets enable more meaningful comparisons and more confident interpretation of environmental performance.
The information required for an LCA varies according to the stage of design and the purpose of the assessment. Early design studies may rely on conceptual layouts, benchmark quantities and documented assumptions, while later assessments can incorporate detailed schedules, specifications and confirmed product selections.
Typical project inputs include architectural and structural information, material quantities, building systems, expected service lives, transport assumptions and end-of-life scenarios. Together these define the building model used within the Life Cycle Assessment.
Where available, Environmental Product Declarations (EPDs) and verified manufacturer information can improve the accuracy of product data. Where specific information is unavailable, recognised databases and transparent assumptions are commonly used in accordance with the selected assessment methodology.
Building geometry, architectural drawings, structural systems, façade design and project scope establish the basis of the assessment model.
Service lives, maintenance schedules, replacement intervals, transport distances and end-of-life scenarios influence how impacts are distributed across the building lifecycle.
Environmental Product Declarations, recognised LCA databases and verified manufacturer information provide the environmental datasets used during the assessment.
Every Life Cycle Assessment involves assumptions. Clearly documenting project information, system boundaries, environmental datasets and lifecycle scenarios allows results to be understood, reviewed and compared with confidence. Transparency is often as important as the reported environmental outcomes themselves.
Environmental Data
Environmental Product Declarations (EPDs) provide standardised environmental information for construction products. Within a Life Cycle Assessment they are used as one possible source of environmental data, helping project teams develop more representative and transparent assessment models.
An Environmental Product Declaration is developed using recognised life cycle assessment methodology and reports environmental information for a specific product or product group. EPDs allow environmental datasets to reflect actual product characteristics rather than relying solely on generic industry averages.
Although EPDs can improve the quality of an assessment, they represent only one component of a Life Cycle Assessment. Building quantities, system boundaries, lifecycle assumptions, transport scenarios, service lives and other project information remain equally important when interpreting environmental results.
Where project-specific EPDs are unavailable, recognised LCA databases and documented assumptions are commonly used. Regardless of the data source, transparency around methodology and assumptions is essential so that results can be understood, reviewed and compared appropriately.
EPDs provide independently verified environmental information that can improve the reliability of product datasets used within a Life Cycle Assessment.
Product information is combined with building quantities, lifecycle assumptions and system boundaries to create the overall assessment model.
Where EPDs are unavailable, recognised environmental databases and documented assumptions can provide appropriate data for the selected assessment methodology.
Standardised environmental datasets for specific construction products developed using recognised LCA methodology.
Verified manufacturer information may supplement project data where appropriate for the selected assessment methodology.
Generic datasets provide consistent environmental information where project-specific product data is not yet available.
An Environmental Product Declaration does not determine the environmental performance of a building on its own. Reliable Life Cycle Assessment combines quality product data with accurate project information, appropriate lifecycle assumptions and a clearly defined assessment methodology.
Applications
Life Cycle Assessment is widely used as an environmental assessment methodology across Australian sustainability frameworks. While each framework has different objectives and reporting requirements, many rely on consistent lifecycle information to evaluate environmental performance.
Green Star may incorporate Life Cycle Assessment and environmental product information to support lifecycle-based sustainability outcomes. Specific credit requirements vary between Green Star tools and project types.
Infrastructure sustainability assessments may apply Life Cycle Assessment principles when evaluating materials, resource use and environmental performance across infrastructure assets.
NABERS Embodied Carbon applies lifecycle assessment principles to evaluate upfront embodied carbon within eligible building projects. Detailed assessment requirements are defined within the NABERS methodology.
Although Green Star, ISCA and NABERS Embodied Carbon each serve different purposes, they share a common need for transparent lifecycle information. Life Cycle Assessment provides a structured methodology for generating environmental information that can support these frameworks where appropriate.
The specific documentation, calculations and compliance requirements vary between rating systems. Life Cycle Assessment should therefore be understood as the underlying assessment methodology rather than the framework itself.
Life Cycle Assessment provides consistent environmental information that may support multiple sustainability frameworks.
Each rating system applies lifecycle information differently according to its own objectives, scope and verification requirements.
Explore our dedicated Knowledge Hubs for Green Star, NABERS and Embodied Carbon to understand each framework in more detail.
Project Information
A Life Cycle Assessment brings together information from many disciplines across a building project. Reliable results depend not only on environmental datasets but also on accurate project information contributed by the wider design and construction team.
Architects, engineers, quantity surveyors, contractors, manufacturers and sustainability consultants all contribute information that may influence the quality of an assessment. Building geometry, material quantities, service life assumptions and product information are often developed by different project participants throughout the design process.
As projects evolve, assumptions become more refined and environmental data becomes more representative of the final building. This gradual improvement in project information allows Life Cycle Assessment to better reflect the building that will ultimately be constructed.
Because Life Cycle Assessment is an information-based methodology, effective collaboration helps improve consistency, transparency and confidence in the assessment rather than changing the methodology itself.
Building layout, envelope design and material schedules contribute to the project model.
Structural systems, services and technical specifications influence lifecycle modelling.
Material quantities and schedules help convert design information into assessment inputs.
Environmental Product Declarations, manufacturer data and recognised databases provide environmental datasets.
The reliability of an assessment depends on the quality of information collected throughout the project. Consistent documentation, transparent assumptions and collaboration between project disciplines all contribute to Life Cycle Assessment results that can be understood, reviewed and compared with confidence.
Lifecycle Thinking
Life Cycle Assessment and circular economy principles are closely related because both consider what happens to materials throughout their entire lifecycle. While circular economy focuses on keeping resources in use for longer, Life Cycle Assessment provides a methodology for evaluating the environmental implications of those strategies.
Circular economy initiatives may include retaining existing assets, extending service life, improving adaptability or increasing material recovery. Life Cycle Assessment helps evaluate how these approaches influence environmental performance across the defined assessment boundary rather than considering only individual project decisions.
Because every project has different lifecycle assumptions, environmental datasets and system boundaries, the environmental benefit of a circular strategy should be assessed within the context of the complete Life Cycle Assessment rather than assumed in isolation.
Life Cycle Assessment therefore provides an evidence-based framework for comparing lifecycle scenarios, helping project teams understand the environmental implications of reuse, refurbishment, replacement and end-of-life pathways.
Retaining existing materials or building elements can be evaluated within the overall lifecycle assessment.
Durability and adaptability influence maintenance, replacement and lifecycle modelling throughout the assessment.
Reuse, recycling, recovery and disposal pathways are considered within the selected lifecycle methodology where applicable.
Environmental outcomes are assessed across the defined lifecycle rather than at a single project stage.
Different lifecycle scenarios can be compared using a consistent assessment methodology.
Life Cycle Assessment helps evaluate environmental consequences using transparent assumptions and recognised datasets.
Decision Making
The purpose of Life Cycle Assessment is not simply to measure environmental impacts, but to support informed decision making. By evaluating lifecycle information consistently, project teams can compare different scenarios using a transparent and evidence-based methodology.
Life Cycle Assessment can be applied whenever environmental performance needs to be evaluated across alternative project scenarios. Rather than relying on assumptions or individual product claims, LCA provides a structured framework for comparing environmental outcomes using consistent system boundaries and lifecycle data.
Depending on the assessment objective, project teams may compare building designs, material assemblies, refurbishment scenarios, replacement strategies or lifecycle assumptions. The methodology remains the same even though the questions being explored may differ.
Where carbon reduction is the primary objective, Life Cycle Assessment provides the analytical framework for comparing environmental outcomes. Detailed guidance on embodied carbon reduction strategies is explored in our Embodied Carbon Knowledge Hub.
Alternative lifecycle scenarios can be evaluated using a consistent methodology.
Environmental results should always be interpreted alongside the documented scope and assumptions.
Lifecycle information provides an objective basis for environmental evaluation.
The strength of Life Cycle Assessment lies in consistent methodology rather than any individual environmental indicator.
Life Cycle Assessment provides environmental evidence that helps project teams understand the consequences of different lifecycle scenarios. The preferred outcome depends on the objectives of the project, the selected methodology and the environmental priorities being considered.
Project Applications
Life Cycle Assessment can apply across residential, commercial, public, mixed-use and infrastructure projects where material impact, embodied carbon or whole-building environmental performance needs to be understood.
Residential and Multi-Residential
LCA may support residential and multi-residential projects where embodied carbon, material efficiency, BESS-related sustainability strategies, planning expectations or future carbon reporting pathways need to be considered. It can help project teams understand the impact of structure, façade, finishes, glazing, insulation and repeated material systems across larger developments.
Commercial Buildings
Commercial projects may use LCA to support Green Star, NABERS Embodied Carbon, sustainability reporting, design option comparison and embodied carbon reduction. The assessment can help clarify the environmental impact of major building systems such as structure, façade, services, finishes and fitout.
Infrastructure
Infrastructure projects may use LCA and materials impact assessment to support ISCA-related pathways, resource efficiency, construction carbon review and lifecycle performance documentation. This may include concrete, steel, asphalt, aggregates, transport assumptions, construction processes and asset durability.
Adaptive Reuse and Refurbishment
LCA can help compare new construction against reuse, retrofit and refurbishment pathways. Retaining existing structure, façade or building fabric may reduce upfront embodied carbon, but the result depends on the condition of the asset, the extent of new work and the future performance of the upgraded building.
A multi-residential development, commercial office, infrastructure asset and adaptive reuse project may each require a different assessment scope, data approach and reporting pathway. Defining the purpose of the LCA early helps ensure the results are useful for the design team, rating tool or approval process.
Frequently Asked Questions
Life Cycle Assessment (LCA) is a recognised methodology used to evaluate the environmental impacts of a product, material, building or infrastructure asset across defined lifecycle stages. Rather than examining a single point in time, LCA considers environmental impacts throughout the chosen assessment boundary using a consistent and transparent methodology.
Life Cycle Assessment follows a structured process that typically includes defining the goal and scope, collecting lifecycle inventory data, assessing environmental impacts and interpreting the results. International standards such as ISO 14040 and ISO 14044 provide the framework for this methodology.
Whole building Life Cycle Assessment evaluates the environmental performance of an entire building as an integrated system rather than assessing individual products in isolation. Depending on the assessment scope, it may include structural elements, building envelope, finishes, building services and selected lifecycle stages.
A functional unit defines the reference against which environmental impacts are measured. It ensures that different design options or products are compared on an equivalent basis, making Life Cycle Assessment results more meaningful and consistent.
System boundaries define which lifecycle stages, materials, processes and activities are included within a Life Cycle Assessment. Clear system boundaries are essential because they determine what is measured and allow assessment results to be interpreted correctly.
The lifecycle stages included depend on the purpose of the assessment. Building LCAs commonly assess product manufacture, construction, operation, maintenance, replacement, end of life and, where appropriate, benefits beyond the building lifecycle using recognised assessment frameworks.
Life Cycle Assessment can evaluate multiple environmental indicators. Depending on the methodology used, these may include global warming potential, ozone depletion, acidification, eutrophication, resource depletion, water use and other recognised environmental impact categories.
The required information depends on the assessment scope, but commonly includes architectural drawings, structural information, material quantities, product specifications, lifecycle assumptions and environmental datasets. The quality of available information influences the reliability of the assessment.
An Environmental Product Declaration (EPD) is a standardised document that provides independently verified environmental information about a product. Within Life Cycle Assessment, EPDs can provide higher quality environmental data than generic datasets where suitable product information is available.
The reliability of a Life Cycle Assessment depends on the quality of the available data, the assessment scope, the chosen methodology and the assumptions used. Well-defined system boundaries and transparent documentation help ensure that results are robust and appropriate for their intended purpose.
Every Life Cycle Assessment includes assumptions relating to service life, maintenance, replacement cycles, transport distances, end of life scenarios and other project-specific factors. Understanding these assumptions is essential when interpreting or comparing assessment results.
Yes. One of the primary strengths of Life Cycle Assessment is its ability to compare alternative lifecycle scenarios using a consistent methodology. Meaningful comparisons require equivalent functional units, clearly defined system boundaries and comparable assessment assumptions.
Related Knowledge
Life Cycle Assessment forms part of a broader ecosystem of environmental assessment methodologies, lifecycle data, sustainability frameworks and building performance disciplines. Explore the related knowledge below to understand how these topics connect while maintaining distinct roles within the design and assessment process.
Learn how embodied carbon is measured as one environmental indicator within a Life Cycle Assessment and how it differs from the broader LCA methodology.
Discover how Environmental Product Declarations provide verified environmental data that can improve the quality of Life Cycle Assessment results.
Explore how Life Cycle Assessment supports selected Green Star sustainability pathways alongside broader building performance outcomes.
Understand how operational building performance differs from lifecycle environmental assessment and how the two approaches complement one another.
See how Life Cycle Assessment contributes to infrastructure sustainability assessment alongside the IS Rating Scheme.
Learn how performance-based energy modelling differs from Life Cycle Assessment and why each serves a different purpose within commercial building design.
Together these resources explain how Life Cycle Assessment fits within the wider building performance ecosystem, connecting lifecycle methodology with environmental indicators, verified product data, sustainability frameworks and operational building performance.
Project Review
Every project has different objectives, lifecycle boundaries and reporting requirements. An early review helps establish whether a Life Cycle Assessment is appropriate, what level of assessment is required and which methodology best aligns with the project's purpose.
Certified Energy can review your available documentation and recommend a suitable assessment pathway, whether your project requires an early design study, a whole building Life Cycle Assessment or support for a recognised sustainability framework.
Last reviewed: July 2026. This page is maintained by Certified Energy as part of its Carbon & Circularity Services, Commercial Performance Knowledge Hub.
