Neighbour building without a permit in Portugal

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When works are done without the required licence or prior communication, or against its terms, the council must take suitable measures to restore legality, such as stopping the works or ordering demolition (RJUE, art. 102.º).

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Law

Regime Jurídico da Urbanização e Edificação (RJUE, Decreto-Lei n.º 555/99)

Article

102.º

When

Works done without the needed licence, prior information or prior communication, against their conditions, or against legal rules (n.º 1)

Measures

Stopping the works (embargo); suspending a licence; ordering corrections; legalisation; demolition; restoring the ground; ending the use of a building (n.º 2)

Danger

Separately, the council may order works for safety or health, or the demolition of buildings that threaten ruin (n.º 3 and art. 89.º)

Official text

pgdlisboa.pt/leis/lei_mostra_articulado.php?nid=625&tabel...

Sources

pgdlisboa.pt/leis/lei_mostra_articulado.php?nid=625&tabel...
pgdlisboa.pt/leis/lei_mostra_articulado.php?nid=625&tabel...
pgdlisboa.pt/leis/lei_mostra_articulado.php?nid=4024&tabe...

Checked

2026-11-05