Portugal Works Permit Check

Illegal building demolition: do you need a permit in Portugal?

Independent site: we are not a public authority, and this is not legal or tax advice.

Demolishing a building that is illegal is exempt from licence and prior communication. Plan, heritage and technical rules still apply and the council can inspect.

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Answer
Exempt from licence and prior communication
Condition
The building is illegal
Still applies
Municipal plans, easements, technical construction rules and heritage protection (art 6(8))
Before you start
Tell the council at least 5 days before work begins, even for exempt work (art 80-A).
Council rules
Your council can add detail in its own building regulation where the law lets it, so ask before you start.
Legal basis
RJUE art 6(1)(i) and 6(8), RJUE (Decreto-Lei 555/99) as republished in the Annex of Decreto-Lei 108/2026
Sources
data.dre.pt/eli/dec-lei/108/2026/05/29/p/dre/pt/pdf
Checked
2026-11-05

More: How the permit rules work

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