Portugal Neighbour Building Rules

Window distance from the boundary in Portugal

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A new building must leave 1.5 metres between the neighbouring plot and each window or door that looks straight onto it (Código Civil, art. 1360.º, n.º 1).

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Law
Código Civil (Decreto-Lei n.º 47344/66)
Article
1360.º, n.º 1
Minimum gap
1.5 metres (metro e meio)
Applies to
Windows and doors that look directly onto the neighbouring plot (janelas ou portas que deitem directamente sobre o prédio vizinho)
Applies when
You build a new building or other construction on your own plot
Angled boundaries
The 1.5 metres is measured at right angles from the neighbouring plot; if the plots meet at more than 45 degrees, the restriction does not apply (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...
pgdlisboa.pt/leis/lei_mostra_articulado.php?nid=775&tabel...
pgdlisboa.pt/leis/lei_mostra_articulado.php?nid=775&tabel...
pgdlisboa.pt/leis/lei_mostra_articulado.php?nid=775&tabel...
pgdlisboa.pt/leis/lei_mostra_articulado.php?nid=1217&tabe...
pgdlisboa.pt/leis/lei_mostra_articulado.php?nid=1217&tabe...
Checked
2026-11-05

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