Knowledge base
Municipal administrative fine and construction site signage: what do you risk without a permit?
If you occupy the public domain without a valid permit or with non-compliant signage, the municipality can impose a municipal administrative fine (up to €350 for adults) and shut your construction site down. With a timely application and SB250-compliant signs, you avoid that entirely.
Forgetting a permit or working with the wrong equipment seems like a detail, until the municipality drops by. Below you can read exactly what you risk on the public domain and how to avoid it.
What is a municipal administrative fine?
A municipal administrative fine is a municipal administrative sanction: the municipality can penalise breaches of its own regulations itself, without a judge being involved. For adults such a fine amounts to up to €350. Occupying the public domain without a permit falls under this in most municipalities.
When do you risk one on your construction site?
- You place a container, scaffolding or site zone on the public domain without a permit.
- Your signage is missing, wrongly placed or not SB250-compliant.
- You exceed the permitted zone or period.
Besides the fine: shutdown and liability
A fine is not the only risk. The municipality can shut your construction site down until everything is in order, which hits your planning and your costs hard. And if an accident happens on top of that while your signage was not compliant, you carry a greater liability risk.
How to avoid it
Apply for your public domain occupancy permit in good time and work with compliant signs. We submit the application for you, draw up the signage plan and deliver SB250-compliant signage, so you risk neither a fine nor a shutdown.
Need construction site signage or a permit?
We arrange your construction site signage and your public domain occupancy permit, from the signage plan to delivery, installation and collection. Tell us about your site and you'll get a concrete proposal quickly.
Last updated on 1 september 2026.
Further reading
Other articles that will help you on your way.
- Who is responsible for putting up the construction site signage?Whoever carries out the works is responsible for ensuring that road signs are correctly installed, even if you put them up yourself. If they are installed incorrectly or do not meet the legal requirements, the police will not tow away illegally parked vehicles and may shut down the construction site.
- Putting up your own parking signs: a summary of the rulesIf you are putting up the parking signs yourself, you must position them exactly as specified in your permit: one set per 25 metres, with the start sign showing the arrow pointing upwards, the end sign showing the arrow pointing downwards, and the dates and times on the lower panels. Take photographs whilst performing the installation and send these, together with the number plates of the cars already parked there, to the police and the municipality.
- Applying for a public domain occupancy permit: how it worksFor works or a container on the pavement, parking strip or roadway you need a public domain occupancy permit. You apply for it per municipality via EagleBE, Spotbooking or the city's occupancy form. Expect a processing time of a few working days to two weeks. We take the entire application off your hands.
Apply for a permit in your municipality
We arrange public domain occupancy across Flanders. See how it works in your municipality.
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