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Current European building environmental-performance assessment edition

EN 15978:2026observed

Value kindobserved — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range.
ScopeBuilding/site whole-life assessment; applicable contract and national adoption still determine the required edition. EPD comparability and system-boundary rules require the normative text.
As of2026-04-17
SourceCEN-CENELEC, announcement of EN 15978:2026, 17 April 2026. · CEN announcement of EN 15978:2026; building environmental assessment and EPD inputs
Reviewchecking…review by 2027-03-05 · standard cadence
Recorded changeslast 2026-09-16
Claim idpart15-building-lca-en15978-2026

Where the guide uses it

← Full numbers register — every date-stamped figure in the guide, with revision history.