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GRESB reporting follows an annual cycle with specific deadlines. Understanding the timeline helps you prepare data and meet submission requirements.

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Typical Annual Timeline

MonthActivityAbisko Action
JanuaryGRESB opens portalReview prior year data completeness
February-MarchData collectionGap-fill, collect tenant data
AprilPortal open for entryBegin export and upload
May-JuneSubmission windowFinalize and submit
July 1Deadline (typical)Final submission
September-OctoberResults releasedReview scores and feedback
Deadline: The exact deadline varies by year. Check GRESB portal for current year dates. Late submissions may incur penalties or exclusion.

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Pre-Submission Checklist

1

Data completeness check

All properties should have at least 80% data completeness
2

Coverage verification

Energy and water coverage meet GRESB thresholds
3

Landlord/tenant splits

All spaces classified with correct control types
4

Emissions factors

Location and market-based factors configured
5

Pre-flight validation

Run Abisko’s GRESB validation before export

Asset Spreadsheet

Data Completeness

Gap-Filling