Refinancing isn't automatically the answer, and anyone who tells you it always is has something to sell. But the review is free, takes a short conversation, and often turns up a meaningful difference.
Worth saying plainly, because it comes up often:
Sometimes the better move is asking your current lender to reprice. That costs nothing and occasionally works. I'll tell you when that's the sensible first step.
Rolling credit cards or personal loans into a mortgage lowers the interest rate on that debt, which looks like an obvious win. The catch is the term: stretching a five-year debt across twenty-five years can mean paying more in total interest despite the lower rate.
It can still be the right call, particularly where cash flow is the immediate problem. But it should be a decision made with the full numbers visible, and ideally alongside a plan to pay the consolidated portion down faster.
Typically there are discharge fees from your current lender, government registration fees, and possibly application or valuation fees with the new lender. Many lenders offer cashback or fee waivers that offset some of this. We work out the net position before you commit.
Each application is recorded on your credit file. A single considered refinance is normal and unremarkable. Multiple applications in a short period can be viewed less favourably, which is a good reason to apply once, to the right lender.
It varies by lender and by how quickly documentation comes together. Preparation on the front end tends to matter more than lender choice.