HSBC的原话是“The interest rate charged on the loan is a margin of 2.75% above Bank of England Base Rate if the loan is unsecured, or 2% above the Base Rate if secured. For example, if the base rate was 4.75%, the loan rate for a secured loan would therefore be 6.75%.”
I know that ICBC have a new financial service package called "出境金融服务套餐", and this product has the special advantage for those who plan to go to UK, with the support from ICBC London, your debit card can withdraw the cash in the British HSBC ATMs, for details, you could check with them directly.