Contentar · Land and town hall
Most container homes die at the câmara municipal (town hall), not on site.
If you are going to live in it, yes. Since 1 October 2026 the law says a building is anything fixed to the land with a degree of permanence, “whatever the construction system”: modular, prefabricated or removable does not exempt it.
The lightest route is prior notification (comunicação prévia), in an approved subdivision, detailed plan or consolidated urban area: no approval decision, the câmara checks afterwards, for one year.
Since the planning Simplex (DL 10/2024), when the work fits prior notification you cannot choose the licence instead. Since 1 October 2026 (DL 108/2026), use of the building also goes through prior notification, with the câmara’s follow-up control within one year.
Before you buy the land or the container, file a prior information request (PIP).
Under the RGEU (General Building Regulation), which remains the reference until the new technical regulation comes out, a dwelling needs a minimum gross area: