When it applies
Sale of a property let to the same tenant for two years or more
Notification period
30 days from receipt of a registered letter with acknowledgment of receipt
Challenge window
6 months from learning the essential terms of the sale (Art. 1410)
Tenants of two years or more have this right by law, whatever the lease says. The seller must notify before the sale is completed; ask your lawyer about timing relative to the CPCV.
When it applies
Property located within a designated Área de Reabilitação Urbana (ARU)
Notification period
10 days, through the Casa Pronta platform
In practice
Municipalities rarely exercise; failure to notify still creates legal vulnerability
ARU zones in Lisbon cover a large part of the historic and inner-city districts. Porto ARU covers the UNESCO historic centre and adjacent areas. Check câmara municipal websites for current designations.
When it applies
Classified buildings (nacional, interesse público, interesse municipal) or within protection perimeters
Notification period
10 days, through the Casa Pronta platform
In practice
Rarely exercised; check the SIPA database for classification status
Affects many properties in Alfama, Mouraria, Belém (Lisbon), Ribeira, São Bento (Porto), Évora, and Sintra. Protection perimeters extend beyond the classified building itself. Verify via SIPA database at patrimoniocultural.gov.pt.
When it applies
When one co-owner sells their share of a jointly owned property
Notification period
Set by the Código Civil; ask your lawyer
Common scenarios
Inherited properties, properties acquired jointly by separating couples
Less common in standard residential transactions but relevant for properties held in inheritance or joint ownership. Check caderneta predial and registo predial for ownership structure.