Unfortunately, your credit score does not follow you against one nation to another. Lenders (or actually CRAs) are unable to see the credit rating you have gathered beyond your British, such as the overall number you could have an excellent various other places. (1)
That means that the best course of action does be to develop good credit in britain.
Place domestic costs is likely to label, and make certain to pay her or him punctually (lead debit will come in handy right here)