Advance notice of construction work must be given of all construction works that are expected to take longer than one month and that will employ a total of at least 10 workers, including independent contractors, as well as of all works the scale of which is estimated to exceed 500 person-days of labour.

In the case of construction sites shared by multiple contractors, it is the responsibility of the principal contractor (or similar) to submit a notice on behalf of all the parties involved. The notice must also include information about any subcontractors and suppliers as well as their estimated labour resources.

Submitting notices

Advance notice of construction work can be submitted by filling in an online form for notifying the occupational safety and health authority, i.e. the Occupational Safety and Health Department at the Finnish Supervisory Agency. There is also a printable form for, which can be filled in and sent by e-mail or post.

Online form: Advance notice of construction work (in Finnish)

Printable form: Advance notice of construction work (pdf, in Finnish) | Contact information