Local election day is upon is, with voting happening at 248 English councils outside London, and 11 local authority areas in Northern Ireland.
There are also polls for six elected mayors in Bedford, Copeland, Leicester, Mansfield, Middlesbrough and the new North of Tyne devolved regional authority.
Polls open at 7am and close at 10pm. Counting will take place overnight in about 120 areas but will be carried out during the following day in others, with the last result not expected until about 9pm on Friday.
Most people know there are certain things you’re not allowed to do:
No trying to intimidate anyone or influence how they vote.
No marking your paper anywhere except in the box or your vote will be counted as spoilt.
And so on.
But for those who have more questions about what they can and can’t do in a polling booth, we’ve put together this handy guide.
Happy voting everyone!
The Electoral Commission says: “Due to the potential breach of the law, intentionally or not, we strongly advise against any form of photography taken inside a polling station."
Anyone breaching this could face a £5,000 fine or even six months in prison.
Selfies outside are fine though.
Unfortunately, given their size, horses would probably be classed as disruptive. And messy.
But if you are disruptive you may not be allowed to vote.
You should also avoid talking about who you are going to vote for while inside the station.
Unless there have been problems because of big queues late into the evening, you will not be able to vote after that time.
You snooze, you lose (your ability to vote).
As detailed above, you're not allowed to bring a (ahem) friend into the booth with you. So behave!
The polls will be swiftly followed by elections to the European Parliament on May 23 - unless the Prime Minister is able to ratify her Brexit deal in time to halt them.
However, local results may not be a good guide to the Euro-elections, as neither Nigel Farage’s Brexit Party nor the Remain-backing Change UK are fielding candidates on May 2.
Polls suggest the European elections may be treated as a proxy second referendum by many voters, with Tories currently trailing in third place behind the Brexit Party and Labour.