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You can. But a web search usually ends at “it depends”, at a forum post from years ago, or at a leaflet written for a different federal state. BauErlaubt answers the question for your specific case.
Many projects need no building permit. Even so, setback distances, your municipality's development plan and local statutes still apply. Miss them and, in case of doubt, you tear it down at your own cost. Those are exactly the points we make visible for you.
A carport may stand permit-free up to 50 m² in Bavaria; in North Rhine-Westphalia it stops at 30 m². A wallbox isn't about a building permit at all, but about registration with the grid operator. You can't tell from the outside which search result applies to you.
Building codes change. The forum post from 2019 and the undated guide PDF may be long outdated. You only notice when it's too late.
You can do that too, and the answers are often genuinely good. Still, there's a difference that matters when you build:
The answer is only as good as your question. If setback distances, boundary rules or your municipality's statutes aren't on your radar, you won't ask about them. BauErlaubt walks you through everything that matters for your project. Including the things you wouldn't have thought of.
With web access, a chatbot reads the same guides and forums you'd find yourself, and the answer shifts with the search results. We rely instead on our own, continuously maintained set of rules per federal state. Same input, same result.
A chat transcript is nothing you can refer back to later. With us you get an assessment with an as-of date, reasoning and a checklist. A document you can take to the building authority or your architect.
ChatGPT is a strong tool for many things. But for the question of what applies on your plot, you don't want a well-written estimate to verify yourself. You want a check that comes out the same every time, backed by a maintained set of rules.
Behind the check there is no search box, but a system:
We've systematically prepared the requirements of all 16 federal states: size limits, setback distances, special cases. When a rule changes, we work it in. Your assessment rests on this set of rules, not on search results.
Your details run through fixed checking rules: project, federal state, dimensions, location. Same input, same result, with reasoning you can follow. No gut feeling, no dice.
Every assessment carries an as-of date and ends in a concrete checklist. You know what the result is based on and what to do next.
| Google it | Ask ChatGPT | BauErlaubt | |
|---|---|---|---|
| Answer | Ten results that contradict each other | As good as your question | Specific to your project |
| Federal state | Unclear which source applies | Only if you ask about it | Rules for your location |
| Currency | Forum posts with no date | Depends on the moment's search results | Maintained set of rules with an as-of date |
| Reliability | You have to judge it yourself | Can turn out differently each session | Fixed checking rules, traceable |
| Result | A gut feeling | A chat transcript | Assessment plus checklist, as a report |
First the free assessment, and if you want it, the detailed PDF report with reasoning and checklist.
If your project needs a permit, we tell you just as plainly. Along with what you'll need: documents, who to contact, next steps. So you walk into the building authority prepared instead of clueless.
BauErlaubt provides structured guidance. It's not an official decision and not legal advice, but a solid first overview for your project.