Yes. In fact, a lot of people do.The reason this works for some people is if you have recently just taken out a new mortgage product – it might have some hefty Early repayment Charges. You can avoid these if you take your current mortgage with you and then top-up (if needed!)In some cases, though, current interest rates might mean you’ll get a better deal – so it’s worth considering both options and seeing which is the most cost-effective for you.