Do you mean:
A. You are about to complete your degree in Greece?
- or -
B. You are about to get your degree abroad in England?
A. Cost of living is very high in England. There are better Euro countries for you to move to. Also, don't be one of those fgts who abandons Greece and contributes to the brain drain.
B.You can get domestic tuition rates because you are a citizen of a memberstate of the EU. Not everything will transfer and each university in England actually can make up its own policies. Even very redundant ones. There is nothing you cannot do in Greece that is related to studying to chemistry that you can do in England, unless you are talking about higher-level research stuff.
Again, cost of living in England is high,