Tools and systems – Macros in Excel Calculators

Some BREEAM Excel tools use macros. If macros are disabled at an organisational or local level, these tools will not work.

In February 2023, Microsoft updated the default security setting for macros within files downloaded from the internet. More information on macros and how to manage them can be found in this guidance from Microsoft

Please ensure that you read and followed this guidance before submitting a query relating to an Excel tool not working.


For more information on Tools query submissions, please see KBCN1555 Section 8.0