Passports and visas
EU citizens must be in possession of a valid national identity card or passport to enter Portugal. It must be valid for the duration of their stay, which can be up to 90 days. A visa is not required.
Portugal does not require EU citizens (including British nationals) to have residence permits. They can, however, be useful in certain circumstances (when applying for a drive’s licence, for example, or for tax purposes) as official proof of residence.
A short-term residence permit is valid for stays of between 90 days and a year. A long-term permit is valid for five years, after which it may be renewed automatically for a further five years. After that, applicants must apply in person for renewal.