Barclays International has seen its offshore mortgage book grow by 25% during 2005, due to increasing numbers of people from overseas coming to the UK to live and work.
He said an offshore mortgage would be ideal for someone moving to the UK for a fixed period of time and planning to return to their home country in the future or someone with offshore income and investments that could be used to pay the interest on a mortgage.
Van Rooyen said: "As the number of people of other nationalities working in the UK increases, offshore mortgages are becoming increasingly popular.
"However, the UK mortgage market has seen a significant shift in regulatory requirements and there are now additional responsibilities on lenders to ensure product, process, advice and documentation are 100% compliant.
"This means that advising a client to domicile a mortgage offshore requires even more thought and care and has led some providers to withdraw from this business."
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