The first mistake a lot of racists make is oversimplifying immigration and turning it into an us and them issue:
Us british folk
the PC brigade
i refer to native Britons, not Polish immigrants, who by and large travel to Britain to work, not sponge from the state
This is usually because they are poorly informed about the situation and don't get the bigger picture. Here are the main points -
1) Without immigrant labour, Britain would be truely fuked - right up to the pyloric sphincter. The building industry in Ireland for instance, would not exist without a cheap, flexible pool of immigrant labour to draw on.
2) Most immigrants take short-term or seasonal low-paid jobs which a resident would find impossible to live on. The vast majority of Polish workers are therefore not in competition with the native workforce.
3) The reason people prefer Polish / Lithuanian etc tradesmen is because they are cheaper. If British tradesmen drop their prices to something realistic then they would pick up as much trade as the immigrants. If the customers bought British then the immigrant tradesman wouldn't have a market. There is no racial / national issue here because the customers can't give a toss who is selling them the service.
4) Britain is a country of immigrants. Saying that Pakistani inhabitants of Londonistan are not Brits doesn't hold water any more. Most of them have been born in Britain and are as British as John Bull. I would go further and say that they are more British, sinch their parents have had to fight for their citizenship while most roast-beef eating, union-jack waving true Brits were simply born British by accident.
What does need to be done about it? Start cracking down on the employers. Make it so that they have to employ native and immigrant labour on the same terms and then you'll see more natives being employed. The immigrant workforce will be treated better too. But while the government wants to keep big business happy, keep the money flowing through the banks and ultimately keep Brits stuffed with cheap consumer goods, you will continue to have an immigrant underclass who lives in bedsits, eats junk food and works 12 hour shiifts in factories, while the indolent True Brits sit on their backsides and complain about them.