Dangerous installations next door in Portugal

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

You may not build or keep works, installations or stores of corrosive or dangerous substances if they could harm the neighbouring plot in ways the law does not allow, and loss is always compensated (Código Civil, art. 1347.º).

Ask for a free check

Law

Código Civil (Decreto-Lei n.º 47344/66)

Article

1347.º

Banned

Works, installations or stores of corrosive or dangerous substances that could have harmful effects on the neighbouring plot not permitted by law (n.º 1)

If authorised

Where a competent public body authorised them, or the legal conditions were followed, they can be shut down only once harm actually occurs (n.º 2)

Compensation

Always due for the loss suffered (n.º 3)

Official text

pgdlisboa.pt/leis/lei_mostra_articulado.php?nid=775&tabel...

Sources

pgdlisboa.pt/leis/lei_mostra_articulado.php?nid=775&tabel...

Checked

2026-11-05