No, picture ID such as a drivers license would be sufficient if you are a UK CITIZEN.
NO
You do not need a passport to fly from London to Newcastle-upon-Tyne, as both locations are in the UK, however it is always best to take your passport with you just in case.
no
No, you do not need a visa.
Yes you would need a passport. You would also need a visa.
Yes, always.
Yes, absolutely.
No you need a passport.
yes, because the republic of ireland is a seperate country from the UK you will need a passport to go there.
Although both Greece and UK are in the European Union you still have to show an up to date passport in and out of both countries.
Whe a person travels from one country to another, they will need a pass port, some countries also will require a visa.
No.