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Moving to Portugal

NIF for UK citizens after Brexit

If you last dealt with Portuguese paperwork before Brexit, some of what you remember no longer applies. British citizens are now treated as non-EU/EEA nationals by the Portuguese administration, and that single fact changes how you get a NIF, the Portuguese tax number that almost every form, purchase and account in Portugal asks for. The good news is that the process itself is simple once you know which category you are in. This guide sets out what changed, who it affects, the two routes open to UK applicants, the documents that work, the details that trip Brits up, and the full cost.

What Brexit actually changed

Before Brexit, a British passport holder was an EU citizen for Portuguese administrative purposes, and a NIF application was a light-touch affair. That ended when the UK left the European Union. UK citizens are now non-EU/EEA nationals in the eyes of the Portuguese administration. Short visits run under the familiar 90/180-day rule, and living in Portugal long term takes a visa and a residence route, just as it does for Americans, Canadians or Australians. For the NIF itself, the practical consequence is narrow but important: a UK non-resident now follows the non-EU/EEA route, which means a Portugal-resident fiscal representative files the application when you apply from abroad. Nothing else about the number changes. A NIF is still nine digits, issued once, valid for life, and it still carries no right to live or work in Portugal by itself.

Who this affects

The change catches four groups of Brits most often:

• Property buyers. You cannot complete a purchase in Portugal without a NIF, and most British buyers now need one before they have set foot in their new place.
• People retiring to Portugal. The NIF sits inside the visa file and the paperwork of the move itself, so it is usually arranged early.
• Remote workers. A NIF is needed for the practical setup of Portuguese life, from a rental contract to a bank account.
• Second-home owners. Even a few weeks a year in Portugal involves tax numbers, from the purchase deed to local property tax bills.

And one reassuring group: Brits who already owned property in Portugal before Brexit. If you have a NIF and a representative arrangement from those days, nothing about it has been undone. Your number stays yours, your representative keeps acting for you, and the only change is the category on the official side of the counter, which matters the next time you start something new.

Your two routes to a NIF

In person, in Portugal. If you are already in Portugal, or a trip is coming up anyway, you can walk into a Finanças office and apply yourself. Bring your passport and a UK proof of address. The NIF itself is free in person, and in most cases it is issued at the counter. Our step-by-step guide to getting a Portuguese NIF from outside Portugal walks through both routes in order.

Remotely, from the UK. If you are applying from home, the non-EU/EEA rule applies: a fiscal representative in Portugal files for you under a signed power of attorney. That is the service we provide. You apply online in about 5 minutes, we check your documents, file with Finanças as your representative, and your official NIF PDF arrives by email. If you have read that some nationalities can skip the representative and wondered whether Brits can too, our guide on getting a NIF without a fiscal representative gives the honest answer for each situation.

Documents for UK applicants

• Your UK passport. Valid, and the same passport you travel on. A clear scan or photo of the photo page is what the remote route starts from.
• A UK proof of address. Typically a bank statement, council tax bill or utility bill from the last 3 months, showing your name and your UK address. A document you can download from your bank is fine.
• For children, family documents. A child without their own passport needs supporting documents such as a birth certificate. Our guide to getting a NIF for your children and family sets out exactly what each family member needs.

UK-specific details that trip people up

• Your proof of address must actually show your address. It sounds obvious, yet the most common delay for UK applicants is a bank letter that shows a name and an account number but not the address itself. Check the document shows your name and your full UK address clearly before you send it.
• Your name must match your passport exactly. Finanças registers the name as it appears in the passport, middle names included where they appear there. If your bank statement drops a middle name, that is usually fine, but tell us, so the application and the passport agree.
• Watch the apostrophes. Surnames such as O’Brien or D’Souza can lose their apostrophe in one system and keep it in another, and a mismatch can stall later paperwork. Flag an apostrophe, a double-barrelled name or a recent name change early, and the registration is done the way your passport shows it.

Timelines and costs, in the open

Through the remote route, Standard applications are filed and issued in 3 to 5 business days, and Urgent applications in 1 business day where Finanças allows. The price is €99 for Standard or €145 for Urgent per applicant, one payment, VAT included, with no hidden fees. Six months of fiscal representation is included; after that, renewal is €99 per year and you can cancel anytime. The Finanças password is an optional extra at €50 per applicant, useful if you want to sign in to the Portal das Finanças yourself. Families filing together get 5% off the NIF fees. For the wider picture, including what the free in-person route really costs in time and travel, read our guide to how much a NIF costs in Portugal.

What Brits usually need the NIF for first

For most UK applicants, the first job the NIF does is a property purchase: it goes on the promissory contract and the final deed, and no completion happens without it, as our guide to the NIF for buying property explains. Close behind comes a Portuguese bank account, which banks will not open without one. And for Brits building a D7 visa file, the NIF is one of the documents the application expects to see, so it is worth arranging before the file goes in rather than after.

After you move to Portugal

Once you are living in Portugal with a Portuguese address, the picture changes again, this time in your favour. You register your Portuguese tax address with Finanças, set up electronic notifications on the Portal das Finanças, and once that is confirmed, the fiscal representative arrangement can usually come to an end, because official letters can now reach you directly. Our guides on what a fiscal representative does and on whether you still need one after moving walk through the safe order for ending it, and why the order matters.

Common Brexit-era confusions

• “I read that EU citizens do not need a representative, so I do not either.” That was true for Brits once. It is the single most common outdated assumption we meet, and it belongs to the pre-Brexit rules.
• “Getting a NIF means I can move to Portugal.” It does not. A NIF is a tax number. It opens paperwork, not borders: your right to live in Portugal comes from a visa and residence route, and short stays follow the 90/180-day rule.
• “Finanças can just write to me in the UK.” They cannot. Official tax post for non-residents goes to the Portuguese address on the record, which is your representative. That arrangement is what keeps a letter about your property tax from sitting unread in an office in Lisbon.

This guide is general information about the NIF process for UK citizens, not legal or tax advice. Visa and residence rules have their own official sources, and your own circumstances are always worth checking against them.

Frequently asked questions