You need a building permit to construct, alter, or change the use of a structure.

For larger or more complex projects, it may make sense to carry out individual parts of a structural modification that requires a permit before a decision has been made on the entire application. To do so, you can apply for a partial building permit.

A partial building permit grants you permission to carry out certain self-contained measures of your planned structural modification ahead of schedule.

The decision regarding the complete alteration of the structure remains unaffected by this. A separate building permit is still required for the entire project.