David Cameron's Conservative Party will announce benefit reforms today which are predicted to affect 400,000 EU workers who are currently living and working in the UK. New rules will stop EU migrants claiming in-work social benefits, including some tax-credits and access to social housing.

The new measures will also allow the state to remove migrants from the UK after 6 months if they have not found work. It also restricts the rights of migrants to bring their family members to the UK, and stops them claiming child benefit and other tax credits for children who are living outside of the UK.

Other provisions put longer banning-orders on people who have previously been thrown-out of the UK for begging or engaging in fraudulent activities. The process of deporting migrants who are convicted criminals will also be sped-up.

Net migration rose by 43 percent in the last year to 260,000. The Conservative Party promised in its 2010 election manifesto that the party would take steps to insure that net migration figures would "be tens of thousands a year, not hundreds of thousands."

While the new laws could put the UK in conflict with other EU states, Jean-Claude Juncker told The Financial Times that he believed that the measures would not go-against the EU's free-movement of labour rules, and that they would be introduced "without drama". Mr Cameron stopped short of introducing quotas, which would have been more likely to cause problems. 

UKIP leader Nigel Farage dismissed the reforms, saying that: "It is a cynical attempt to kick the issue into the long grass until after the election."