In total, 104 important aspects have been identified in the EeBGuide for improving building LCA studies that aim to be compliant both with CEN TC 350 standards and with the ILCD Handbook.

• G-01 Goal definition for building and product LCA.

• G-02 Classifying the decision context as situation A, B, and C for building and product LCA 

• G-03 Future technical developments and innovation.

• G-04 Comparative assertion for building or product LCA. 

• G-05 Scope definition for building and product LCA.

• G-06 Functional equivalent

• G-07 Functional equivalent vs. functional unit vs. declared unit

• G-08 Reference study period.

• G-09 Object of assessment with regard to energy-efficient buildings

• G-10 Definition of system boundaries for new buildings

• G-11 Definition of system boundaries for existing buildings

• G-12 Cut-off rules for screening, simplified, complete LCA.

• G-13 Infrastructure machinery and capital equipment for material production, energy, water, waste and transport for screening and simplified LCA.

• G-14 Infrastructure machinery and capital equipment for material production, energy, water, waste and transport for complete LCA.

• G-15 Transport of goods in LCA studies

• G-16 Accounting for carbon storage/carbon sequestration.

• G-17 Differences in background data system boundaries

• G-18 Allocation.

• G-19 Allocation case: production of renewable energy on-site.

• G-20 Allocation case: reuse, recycling and recovery.

• G-21 Background databases in LCA studies

• G-22 Data quality.

• G-23 Choice of LCI/LCIA datasets for screening LCA.

• G-24 Choice of LCI/LCIA datasets for simplified LCA.

• G-25 Choice of LCI/LCIA-datasets for complete LCA.

• G-26 Use of building physical description data.

• G-27 Choice of environmental indicators – screening and simplified LCA.

• G-28 Choice of environmental indicators – Complete LCA.

• G-29 Abiotic resources depletion indicator

• G-30 Land use indicator

• G-31 Biodiversity indicator

• G-32 Human toxicity and ecotoxicity indicators

• G-33 Ionizing radiation indicator

• G-34 Water consumption as a new impact category.

• G-35 Normalization of indicators

• G-36 Weighting of indicators

• G-37 Uncertainty analysis for comparative assertion.

• G-38 Sensitivity analysis

• G-39 Scenario analysis

• G-40 Communication of LCA results

• G-41 Reproducibility.

• G-42 Life cycle inventory documentation.

• G-43 Documentation of LCA results

• G-44 Critical review

• A-01 Use and adaptation of available cradle-to-gate and cradle-to-grave LCA or EPD data for building products and technical equipment

• A-02 Accounting for technical building equipment – screening and simplified LCA.

• A-03 Accounting for technical building equipment – complete LCA. 

• A-04 Transport of products to the construction site – screening and simplified LCA.

• A-05 Transport of products to the construction site – complete LCA.

• A-06 Construction installation process impacts for screening LCA.

• A-07 Land preparation and earthwork during the construction process – screening and simplified LCA 

• A-08 Land preparation and earthwork during the construction process – complete LCA.

• A-09 Product storage on site before installation – screening and simplified LCA.

• A-10 Product storage on site before installation – complete LCA.

• A-11 Transport of construction workers – screening and simplified LCA.

• A-12 Transport of construction workers – complete LCA.

• A-13 Transport of construction machinery to the building site – screening and simplified LCA 

• A-14 Transport of construction machinery to the building site – complete LCA.

• A-15 Installation of the product into the building – screening and simplified LCA.

• A-16 Installation of the product into the building – complete LCA.

• A-17 Accounting of on-site capital goods (e.g. construction machinery, bungalows…)

• A-18 Water and energy demand – screening and simplified LCA.

• A-19 Water and energy demand during construction – complete LCA.

• A-20 Construction wastes –  screening and simplified LCA.

• A-21 Construction wastes – complete LCA.

• A-22 Prefabrication of building products – screening and simplified LCA.

• A-23 Prefabrication of building products – complete LCA.

• B-01 Emissions of dangerous substances to indoor air during the use stage.

• B-02 Release of dangerous substances to soil and water during the use stage.

• B-03 Maintenance with screening LCA.

• B-04 Maintenance with simplified LCA.

• B-05 Maintenance with complete LCA.

• B-06 Repair with screening LCA.

• B-07 Repair with simplified LCA.

• B-08 Repair with complete LCA.

• B-09 Inclusion of energy and materials for repair

• B-10 Assessment of different repair and maintenance alternatives

• B-11 Definition of the service life of a building product

• B-12 Replacement frequency.

• B-13 Replacement with screening LCA.

• B-14 Replacement with simplified LCA.

• B-15 Replacement with complete LCA.

• B-16 Refurbishment for screening, simplified and complete LCA.

• B-17 Operational energy demand for new buildings – Boundaries and scenarios for screening LCA 

• B-18 Operational energy demand for new buildings – Boundaries and scenarios for simplified LCA 

• B-19 Operational energy demand for new buildings – Boundaries and scenarios for complete LCA 

• B-20 Operational energy demand for existing buildings – Boundaries and scenarios

• B-21 Operational energy demand for new buildings – Consideration of user behaviour

• B-22 Operational energy demand for existing buildings – Consideration of user behaviour

• B-23 Operational energy calculation – Allocation of energy production for on-site systems connected to grid”

• B-24 Dynamic LCA data for assessing the impact of electricity consumption.

• B-25 “Assessment of operational water use in screening LCA”

• B-26 Assessment of operational water use in simplified LCA.

• B-27 Assessment of operational water use in complete LCA.

• B-28 Accounting of different types of waste water treatment

• B-29 Building services

• B-30 Transport of the users of the building.

• B-31 Distinction between Modules B2, B3, B4 and B5”

• C-01 Demolition/deconstruction – screening and simplified LCA.

• C-02 Demolition/deconstruction – complete LCA.

• C-03 LCA modelling of landfill/disposal

• D-01 Inclusion of reuse, recovery or recycling potentials (Module D) in building or product LCA

• D-02 Reuse – water consumption.

• D-03 Credits for recycling and energy recovery.