Domestic ventilation commissioning sheet
This document is a copy of the completion checklist and commissioning sheet in Appendix C of Part F of the Building Regulations Volume 1:dwellings (2021). It must be completed as evidence that the system has been correctly installed, inspected & commissioned.
The completed copy of the commissioning sheet should be submitted to the building control body within 5 days for new dwellings, or within 30 days in all other cases.
A copy of the completed commissioning sheet should be given to the building owner, along with operating and maintenance instructions for the ventilation system.