Please check the information on our page Travel to Sweden and keep yourself updated.
If you were resident in Sweden before 31 December 2020, you will be able to stay as long as you register with the Swedish Migration Agency. The registration opened on 1 December 2020 and you will have to apply before 30 September 2021.
More information and application on the Swedish Migration Agency website.
Moving to Sweden changed for UK nationals from 1 January 2021.
Please check the information on Swedish Migration Agency.
You will also find information on the British Government's website.