The UK Independence Party's unique selling point - the policy it is best known for - is Britain's withdrawal from the European Union. But as the party has sought to broaden its appeal beyond that single issue, it has developed a full range of policies in all areas.

They can broadly be seen as right wing, with a strong libertarian flavour and a dash of social conservatism. But the party has also adopted some policies discarded by the left, such as student grants. This has led critics to say it is simply a shopping list of populist positions that have not been properly costed - something denied by the party.

UKIP is still in the process of formulating the platform on which it will fight the next general election but here is some of what we know so far: