What you’ll need to enter the UK If the UK leaves the EU with a deal If the UK leaves the EU with a deal, what you’ll need to enter the UK will not change until 2021. If the UK leaves the EU without a deal If you’re an Irish citizen, you’ll be able to enter the UK without a visa, as you can now. You’ll be able to work or study while you’re here. You’ll be able to enter the UK without a visa if you’re a citizen of any other EU or EEA country, or Switzerland. You’ll be able to work or study while you’re here. The government is proposing to end free movement, but this is still subject to approval by Parliament. Once free movement has ended, if you’re a citizen of any other EU or EEA country, or Switzerland, you’ll still be able to enter the UK without a visa but only for up to 3 months