Guidance from gov.uk relating to EU ID card usage:
You will not be able to use an EU, EEA or Swiss national ID card to enter the UK from 1 October 2021 unless you:
- have settled or pre-settled status under the EU Settlement Scheme
applied to the EU Settlement Scheme by 30 June 2021 but have not received a decision yet
have an EU Settlement Scheme family permit
have a frontier worker permit
are an S2 Healthcare Visitor
are a Swiss national and have a Service Provider from Switzerland visa
In these cases, you can continue to use your national ID card to enter the UK until at least 31 December 2025.
British citizens can continue to use a Gibraltar identity card to travel to the UK.
Irish citizens can continue to use a passport card to travel to the UK.
You must have the correct documents to show at the UK border if you’re travelling to the UK. You cannot use any documents to enter the UK that are not listed here.
https://www.gov.uk/guidance/visiting-th ... ter-the-uk